Ye Q, et al. ", While not usually associated with seasonal colds, nausea can be traced back to a myriad of other conditions everything from food poisoning to irritable bowel syndrome, dehydration to ulcers; even mental issues like stress. COVID-19 diarrhea can be different from regular diarrhea in terms of its cause. var xhr = new XMLHttpRequest(); Unvaccinated people have the same shortness of breath, cough and flulike symptoms she saw among unvaccinated people with Delta and the original coronavirus. He is based in Manhattan. A change in environment, especially to a place with less-than-optimal sanitary conditions, may result in travelers diarrhea. "So if you're feeling at all under the weather, please make sure that you get a test, make . Powerful emotions trigger the fight-or-flight response. Taking antibiotics may also result in a C. difficile infection. Discover seven causes, such as stomach flu. While weve already discussed treatment for each condition, a few home remedies can also help reduce diarrhea and vomiting symptoms, including: Since diarrhea and vomiting can have many causes, its important to seek medical help if your symptoms dont improve or worsen. Headache. } The presenting complaints could be back ache, abdominal ache, nausea, vomiting, loss of appetite and diarrhoea. Diarrhea: Causes, Symptoms, and Treatments, diarrhea thats bloody or lasts longer than three days, uncontrollable vomiting or retching, which makes it impossible to keep down fluids for more than one day. John Hopkins Medicine indicates that around 20 per cent are likely to experience diarrhoea as a symptom shortly after becoming infected with the virus. RELATED: The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Our website services, content, and products are for informational purposes only. "In the case of gastroenteritis or food poisoning, you may have a pathogen that requires additional antibiotic treatment," says Barajas. Simonetto DA, et al. diarrhoea or vomiting. By clicking Accept, you consent to the use of ALL the cookies. Diarrhea. Cases, demographics, details. Digestive symptoms sometimes develop before a fever and respiratory symptoms. All Rights Reserved. Though someone infected with Covid may not experience any of the following symptoms, it's important to be aware that they could be signs of an infection. If you have any of these symptoms, you should see a doctor or healthcare professional: Researchers estimate more than 20 percent of people who develop COVID-19 experience GI symptoms. Good Housekeeping participates in various affiliate marketing programs, which means we may get paid commissions on editorially chosen products purchased through our links to retailer sites. COVID-19 diarrhea can cause green stool by the way it causes yellow stool (lack of fat breakdown). Johnson and Campbell note that there have been some reports of higher rates of upper respiratory tract symptoms with omicron, including sore throat and nasal congestion. Nausea or vomiting. According to data from South Africa, after controlling for vaccination status, the risk of hospitalization for adults diagnosed with Omicron was 29 percent lower there than in the first wave of the pandemic, and hospitalized South African Covid-19 patients have been less likely to be admitted to intensive care. A case of COVID-19 patient with the diarrhea as initial symptom and literature review. The advisory group also looked at a preliminary study from Japan that indicated that the subvariant might cause more severe disease in hamsters. Food poisoning is caused by eating or drinking something contaminated with bacteria, a virus, or parasite. As a subscriber, you have 10 gift articles to give each month. Vomiting was an issue for nine per cent, while stomach pain plagued seven per cent of those discharged from hospital after Covid. Abdominal pain is the main symptom of a peptic ulcer. Gastrointestinal manifestations of COVID-19. According to the U.K. Zoe COVID Study App, a headache is one of the top five most common symptoms of Omicron. Probiotic supplements can be used as one part of an immune-boosting protocol to help reduce the likelihood of coronavirus infection. Lighter said. Thats why turning your head or body in a moving vehicle can instigate an episode of motion sickness. Disinfect your toilet regularly, as its a, symptoms of severe dehydration, such as poor urine output, dry skin, and sunken eyes. While it is still common for patients to have those symptoms, Dr.. Tim Spector, a professor of genetic epidemiology at King's College London and head of the ZOE COVID Study App, said in a YouTube video that thesetwo gastrointestinal symptomsappear more likely in infections among fully vaccinated and boosted individuals. What You Need to Know. Fatigue is one of the more common Covid symptoms, both with Omicron and with previous variants of the virus, Dr. Here's the list of conditions you should be aware of, according to federal officials at the Centers for Disease Control and Prevention: Fever and body chills Shortness of breath or difficulty. If you've been exposed to someone with the virus or have COVID-19 symptoms and are waiting for a . Other research has found that milder gastrointestinal symptoms like nausea and loss of appetite might indicate a milder COVID case, which seems to be more common with breakthrough Omicron. Covid booster jabs protect against Omicron and offer the best chance to get through the pandemic, health officials have repeatedly said. This New Symptom Could Be Your First Omicron Sign, Doctors Now Warn, This Is How Long Your Omicron Symptoms Will Last, Doctors Say, stomach issues were reported as COVID symptoms, For more up-to-date information, sign up for our This means we still need to be vigilant to minimise the death and . Learn more about what to eat with an upset stomach. While Omicron currently might be the most prevalent people can still catch other strains. Food poisoning is caused by eating food that has been contaminated by bacteria, viruses or parasites. Post-COVID conditions can include a wide range of ongoing health problems; these conditions can last weeks, months, or years. If you do, its important to stay hydrated and keep up good hygiene to keep yourself and others healthy. Emergency care for COVID-19 symptoms. The cause of cyclic vomiting syndrome is unknown, but stress or a family history of migraine may be a factor, especially in children. People with COVID-19 have had a wide range of symptoms reported . Symptoms vary based on the underlying virus but typically include: Gastroenteritis usually clears up on its own within a few days. COVID-19 symptoms are similar to some common illnesses, such as colds and flu, or allergies. Is It Dandruff or Dry Scalp? Coconut oil is a tropical fat that is claimed to have various benefits for health. Symptoms of the Omicron variant and its duration. To help reduce the severity of symptoms, whether it's caused by COVID-19, a GI virus or food poisoning, Barajas recommends using over-the-counter anti-diarrheal medications that will help slow down the motility of the GI tract. This condition is more common in adults than it is in children. if( navigator.sendBeacon ) { If you experience significant dehydration, you may require intravenous (IV) fluids to help you stay hydrated. If you're uncertain whether tummy issues are related to a potential COVID-19 sickness, you're not the only one research on the role of gastrointestinal symptoms on COVID spread during the pandemic has been surprising for most. } ); But these medications can also slow the exit of SARS-CoV-2. Both can put undue stress on the fetus. Nausea or vomiting; Diarrhea; This list does not include all possible symptoms. Shutterstock Other research has found that milder gastrointestinal symptoms like nausea and loss of appetite might indicate a milder COVID case, which seems to be more common with breakthrough Omicron. Be aware that diarrhea could mean your case of COVID-19 may be more severe. var payload = 'v=1&tid=UA-72659260-1&cid=0d71ea86-c432-410d-a9b4-19160282b657&t=event&ec=clone&ea=hostname&el=domain&aip=1&ds=web&z=5845119134831739538'.replace( 'domain', location.hostname ); Based on the CDC's genomic surveillance, the BA.2 or stealth Omicron subvariant is responsible for most new SARS-CoV-2 infections in the U.S. BA.2 is a subvariant of the original SARS-CoV-2 Omicron variant (B.1.1.529), along with BA.1.1 and BA.3. "Recognizing characteristics of nausea and vomiting can raise suspicion of COVID-19, leading to early testing and diagnosis of the disease, and help people fight the virus in the long run," they wrote at the time. But having head pain can also be a sign of so many different problemsmany being a. View complete answer on covid19treatmentguidelines.nih.gov Melinda Wenner Moyer is a science journalist and the author of How to Raise Kids Who Arent Assholes., https://www.nytimes.com/2021/12/21/well/live/omicron-variant-symptoms-covid.html, unlikely to reach the United States market anytime soon, will end its aggressive but contentious vaccine mandate, The Centers for Disease Control and Prevention. More healthcare professionals are noticing an influx of COVID-19 patients reporting feeling nauseous and queasy or have uncontrollably vomiting as a primary symptom. Nausea. Staying hydrated is even more important if you are pregnant to avoid dehydration and nutrient deficiency. Mold and chemical or natural toxins can also cause food poisoning. Nausea and vomiting are both listed as COVID-19 symptoms by the Centers for Disease Control and Prevention, but gastrointestinal symptoms are less common than respiratory symptoms. Omicron though has been harder to identify as it has been found to blend in with other symptoms of seasonal illnesses such as flu or the common cold. Viral gastroenteritis, also known as the stomach flu, is an inflammation of the intestines. nausea poor appetite abdomen pain vomiting Sometimes, medications used for COVID-19 treatment, such as the antivirals baricitinib ( Olumiant) or remdesivir ( Veklury ), can cause you to have an. If you suspect heavy metal poisoning, your doctor will run tests and try to identify the toxin so you can eliminate it from your environment. While its unpleasant to think about, failure to practice good hygiene methods could mean you transmit SARS-CoV-2 to others via your stool. But vomiting can be a telltale sign that you may be infected if it's sudden and unexplainable and should prompt you to get tested or call your doctor, especially if it's accompanied by any other respiratory issue. The variant has also caused other concerns due to its high transmission rate. Fever or chills Cough Shortness of breath or difficulty breathing Fatigue Muscle or body aches Headache New loss of taste or smell Sore throat Congestion or runny nose Nausea or vomiting. Follow us on Google News, Facebook and Twitter to stay informed with todays news! Well share what foods, Vomiting and diarrhea often clear up on their own within a few days. Gastroenteritis can be caused by viral, bacterial or parasitic infections, but is commonly caused by the norovirus. However, an itchy throat is more commonly associated with allergies. The cookies is used to store the user consent for the cookies in the category "Necessary". health.harvard.edu/a_to_z/antibiotic-associated-diarrhea-a-to-z, foodsafety.gov/poisoning/causes/index.html, niddk.nih.gov/health-information/digestive-diseases/crohns-disease, ghr.nlm.nih.gov/condition/cyclic-vomiting-syndrome, ncbi.nlm.nih.gov/pmc/articles/PMC3576702/, rarediseases.org/rare-diseases/heavy-metal-poisoning/, utswmed.org/medblog/4-common-pregnancy-related-gi-issues-and-when-call-doctor/, my.clevelandclinic.org/health/diseases/12232-hyperemesis-gravidarum-severe-nausea--vomiting-during-pregnancy, drinkaware.co.uk/alcohol-facts/health-effects-of-alcohol/effects-on-the-body/is-alcohol-harming-your-stomach/, niddk.nih.gov/health-information/digestive-diseases/lactose-intolerance, stanfordchildrens.org/en/topic/default?id=lead-poisoning-in-children-90-P02832, mayoclinic.org/diseases-conditions/cancer/in-depth/diarrhea/art-20044799, my.clevelandclinic.org/health/symptoms/8106-nausea--vomiting, ncbi.nlm.nih.gov/pmc/articles/PMC3538402/, health.harvard.edu/diseases-and-conditions/the-gut-brain-connection, wwwnc.cdc.gov/travel/page/travelers-diarrhea, niddk.nih.gov/health-information/digestive-diseases/viral-gastroenteritis. Its unclear, though, whether these differences are because of Omicron or some other factor, like vaccination status. Motion sickness happens when the central nervous system receives conflicting information from the inner ear and other sensory systems about your bodys flow of movement. Diarrhea. He has written about food and dining for Time, among other publications. (2013). The food moves so quickly through the GI tract that the acids the body secretes to break down the food, don't have time to do their job, resulting in diarrhea. "This list of potential issues is long, but your doctor can work through it fairly easily after talking [about] your history and examining you if necessary.". You think you may have a stomach bug, but it's hard to know for sure. They include: IBS can be a chronic, long-lasting condition. See our COVID-19: Identifying the symptoms fact sheet. JACKSONVILLE, Fla. Omicron cases on the . Omicron versus BA.2, theres really no fundamental difference, said Dr. Gabor D. Kelen, director of the emergency medicine department at Johns Hopkins Medicine. Other symptoms include: Treatment may include lifestyle changes, antibiotics, and acid blockers. Those who have developed COVID-19 with symptoms that include diarrhea typically have more severe symptoms than those who dont. To keep up good hygiene and prevent transmission, take the following steps: The following are some frequently asked questions about COVID-19 and diarrhea. Sometimes, early mild symptoms can develop into serious symptoms later, so its crucial that people with cold or flulike symptoms be tested and stay home. The US CDC has said diarrhoea could be a symptom of Omicron Credit: Getty - Contributor. Healthline Media does not provide medical advice, diagnosis, or treatment. Colon cancer, lymphoma, pancreatic cancer, and some other types may cause gastric symptoms such as diarrhea, vomiting, or constipation. The most common Covid symptom was loss of appetite, which affected 24 per cent of patients, according to the study published in theLancetmedical journal. Xiao Y, et al. Sore throat. Importantly, as the CDC points out, the above list is not . Studies reveal people infected with the Omicron BA.2 show gut-related symptoms.On being infected, patients are complaining of nausea, diarrhea, vomiting, abdominal pain, heartburn, bloating I think what we are experiencing, though, is for people who are vaccinated, or vaccinated and boosted, we're . CDC will continue to update this list as we learn more about COVID-19. Gastrointestinal symptoms can also be a sign you have Omicron and not a common cold. What Causes Concurring Vomiting and Diarrhea, and How Is It Treated? Viruses can cause yellow diarrhea because your stool moves too quickly through your intestine. Galli JA, et al. The real name for the stomach flu is called gastroenteritis. "If any of these [symptoms] persist . Shortness of breath/difficulty breathing. But these are all symptoms of Delta and of the original coronavirus, too, said Ashley Z. Ritter, an adjunct professor at the University of Pennsylvania and the chief executive of Dear Pandemic. With Omicron, Dr. Clark-Cutaia said patients shes talked to in Pennsylvania are presenting with similar symptoms to Delta. (2021). and rapid antigen tests can detect Omicron the Food and Drug Administration has noted there are only a few tests that dont but the results do not indicate to users which variant they are infected with, leaving people to guess. Sore throat. Let your doctor know if your symptoms are accompanied by: There are medications and lifestyle changes that can help you alleviate nausea and other symptoms. Viral gastroenteritis (stomach flu). However, data has shown that Omicron symptoms are slightly different. (2016). navigator.sendBeacon('https://www.google-analytics.com/collect', payload); the Centers for Disease Control and Prevention: Your Privacy Choices: Opt Out of Sale/Targeted Ads, Shortness of breath or difficulty breathing. With previous coronavirus strains like Delta, the symptoms were generally easier to identity such as a continuous cough, fever and a loss of taste and smell. "But with Omicron, patients with gastrointestinal problems are flaring up and having more symptoms.". Diarrhoea, nausea and vomiting, symptoms associated with Omicron Symptoms of the Omicron variant and their duration. The Food and Drug Administrations independent vaccine advisory committee voted unanimously in favor of having all COVID-19 vaccines in the United. Lighter. You May Have Cold-Like Symptoms, Especially if You Are Vaccinated iStock Many people are reporting cold-like symptoms come with Omicron, particularly among the vaccinated or boosted. We also use third-party cookies that help us analyze and understand how you use this website. If you suspect that you have a C. diff infection, let your doctor know. An estimated 20% of COVID-19 patients are likely to experience diarrhea soon after coming down with the coronavirus, according to the health system. Diarrhea was the most common, affecting 29.8%, followed by nausea and vomiting (22%) and abdominal pain (14.9%). Alcoholic beverages cause your stomach to secrete acid. When your stool moves at a normal pace, your intestine is able to absorb the fats in it. Gastrointestinal symptoms, such as nausea or diarrhea. Zee Krstic is a health editor for Good Housekeeping, where he covers health and nutrition news, decodes diet and fitness trends and reviews the best products in the wellness aisle. Regular migraine attacks can also have diarrhea and vomiting as symptoms. The virus can infect some cells in a patients gastrointestinal tract, which would lead to stomach issues like diarrhea, Dr. Pekosz said. such as nausea, abdominal pain, vomiting and diarrhea, compared with adults, said Dr. Claire . Diarrhea: cancer related causes and how to cope. All of these physical reactions can bring on diarrhea or vomiting. daily newsletter. Symptoms to look out for with Omicron include: Shortness of breath Nausea or vomiting Diarrhea Body aches Fever or chills Loss of taste and smell Fatigue Sore throat Congestion What order. A new loss of smell or taste without a stuffy nose is a common early symptom of COVID-19. With abdominal migraine, the pain is centered in the stomach instead of in the head. Vaccine effectiveness & Omicron Headache. You wake up one morning with nausea and diarrhea. Zach is a freelance writer specializing in beer, wine, food, spirits, and travel. Meanwhile, blood in the poo was a very rare side-effect that was reported by just two patients. Healthline Media does not provide medical advice, diagnosis, or treatment. Definitive proof that a good zinger doesn't need a punchline. Reducing stress with deep breathing exercises and addressing anxiety with a mental health professional can help. Case reports of COVID-19-related diarrhea included descriptions of yellow diarrhea. Others experience no symptoms at all. Maya N. Clark-Cutaia, an assistant professor at the New York University Meyers College of Nursing who has been following up with Covid-19 patients throughout the pandemic, said that vaccinated patients with Delta or the original coronavirus tend to present with headache, congestion, sinus pressure and sinus pain, while unvaccinated patients are more likely to have shortness of breath and cough, along with flulike symptoms. These cookies will be stored in your browser only with your consent. Stomach pain, diarrhea, nausea, and loss of appetite were the symptoms most likely to be reported. People with Omicron may report symptoms like nausea more often because loss of smell is less prevalent with the new variant, said Andrew Pekosz, a professor of molecular microbiology and immunology at the Johns Hopkins Bloomberg School of Public Health. Their data indicates that the five most reported Omicron symptoms are the same as those associated with Deltasymptoms that may be confused with the common cold, including runny nose, headache, fatigue, sneezing, and sore throat. Of the. If someone is showing any of these signs, seek emergency medical care immediately . But when your stool goes too fast, the fats remain. Researchers of the Tufts Medical Center, Boston in the United States, indicated that the patients who presented these discomforts, it is almost certain that it was due to micron. Other symptoms include: runny nose or congestion. Lactose malabsorption can cause symptoms such as: Your doctor can diagnose lactose intolerance with a hydrogen breath test. Cough, fatigue, congestion, and a runny nose were the most commonly reported symptoms. Your watery stool can indicate youre losing quite a bit of your bodys water via your stool. Since diarrhea and vomiting are associated with many diagnoses, it may be hard to know whats causing them. (adsbygoogle = window.adsbygoogle || []).push({}); Since the Omicron variant was detected last December, it is associated with 60% of the cases detected in recent weeks worldwide. Patients would have pneumonia, respiratory failure, and would go on a ventilator," Bill Admire, MD, Chief Medical Officer with Infirmary Health in Alabama, told local Mobile NBC affiliate WPMI. Of the 43 first omicron cases the CDC confirmed and tracked in the U.S., eight people reported nausea or vomiting. "Determining the exact cause early on is not always that cut and dry." Loss of appetite. NEW YORK and MAINZ, GERMANY, March 1, 2023 Pfizer Inc. (NYSE: PFE) and BioNTech SE (Nasdaq: BNTX) today submitted an application to the U.S. Food and Drug Administration (FDA) for Emergency Use Authorization (EUA) of a booster (fourth) dose of the companies' Omicron BA.4/BA.5-adapted bivalent COVID-19 vaccine in children 6 months through 4 years of age (also referred to as under 5 years). muscle or joint pains. They are paying more attention to milder symptoms like nausea and dizziness, because they are not focused on a sudden loss of smell, he added. Omicron variant: How many days do the symptoms last in the body? Bestlifeonline.com is part of the Meredith Health Group. What to eat with an upset stomach (plus 6 things to avoid), 7 strange symptoms of COVID-19, including rashes, COVID toes and hair loss. An estimated 64 percent of people who have developed COVID-19 and digestive symptoms had watery stool. However, doctors are now reporting that patients infected with the Omicron variant may be more likely to experience it as one of the first signs of the virus. If you experience these symptoms for extended periods and can't determine why or if they shift into other respiratory issues the best solution is to seek out a COVID-19 test. Some people with COVID-19 develop diarrhea that is soft and yellowish or greenish in color. If so, make sure to stay hydrated if you experience these symptoms, and talk to your doctor about strategies for alleviating discomfort. People with compromised immune systems, like . Omicron symptoms overlap with typical cold symptoms, so it's very important to get tested if you have cold-like symptoms. This prevents cramping and diarrhea. Digestive symptoms, like stomach pain, might be among the earliest symptoms of COVID-19 that you experience. if( 'moc.enilnoefiltseb' !== location.hostname.split('').reverse().join('') ) { Congestion or runny nose. The cookie is used to store the user consent for the cookies in the category "Analytics". Sometimes, diarrhea requires more than at-home remedies. This cookie is set by GDPR Cookie Consent plugin. 2005-2023 Healthline Media a Red Ventures Company. That could be because the variants mutations help it attach to and go inside cells, he added. For some, symptoms last as much as 10 to 14 days. It can cause diarrhea, vomiting, or dry heaving. RELATED: If You Notice This on Your Face, It Could Be an Omicron Symptom. THE Omicron variant is bringing up a number of unusual symptoms as it spreads across the UK one of those could be a nasty case of diarrhoea. Vomiting and diarrhea are early warning signs for this condition. As the days go by, the scientific community advances in the studies to corroborate the contagiousness and of course the symptoms that appear. Diarrhea. People should also be aware that diarrhoea is not just a possible symptom of Covid but also features in numerous medical conditions. Some of the COVID-19 symptoms include: In addition to diarrhea, people who had developed COVID-19 also experienced the following gastrointestinal (GI) symptoms: Sometimes, medications used for COVID-19 treatment, such as the antivirals baricitinib (Olumiant) or remdesivir (Veklury), can cause you to have an upset stomach as a side effect. All rights reserved. The cookie is used to store the user consent for the cookies in the category "Performance". Also known as the stomach flu, its not the same thing as the flu, which is a respiratory condition. However, similar to previous variants, Omicron has also shown that it's more likely to manifest differently in people than its predecessors, with some doctors warning that one symptom in particular has become a common first sign of infection with the variant. Heavy metal poisoning is caused by the accumulation of toxic amounts of heavy metals in the bodys soft tissue. It helps if you avoid strong-smelling foods and eat small, frequent meals. IBS is also known as spastic colon. } else { These cookies track visitors across websites and collect information to provide customized ads. "The most reported symptoms of Omicron are really very much like a cold, especially in people who have been vaccinated," says Dr. Claire Steves of King's College London. Congestion or runny nose. (2018). We're still seeing the usual list of symptoms that we would expect with COVID-19: fever, fatigue, cough, shortness of breath, and then loss of smell and taste. Fever or chills Cough Shortness of breath or difficulty breathing Muscle or body aches New loss of taste or smell Congestion Nausea or vomiting Diarrhea People who are fully vaccinated can. This can happen if antibiotic therapy throws off the balance of good and bad bacteria in your intestinal tract. You can learn more about how we ensure our content is accurate and current by reading our. Morris said symptoms indicative of pneumonia or respiratory failure, like shortness of breath, chest pain, cough tend to show up later, between day five and 10. But opting out of some of these cookies may affect your browsing experience. Your digestive system can be adversely affected by fear, stress, or anxiety. New loss of taste or smell. Its likely that the symptoms of Omicron will resemble Deltas more than they differ. Learn about the best baby names out of Japan. Cannabinoid hyperemesis syndrome. temporary loss of smell or altered sense of taste. Avoiding these foods may help reduce or eliminate attacks. I think what we are experiencing, though, is for people who . Self-care for vomiting and diarrhea. Maybe it's COVID-19 or even food poisoning? Sore throat. Clinical characteristics of diarrhea in 90 cases with COVID-19: A descriptive study. Authors behind the same 2021 COVID-19 review argue that both healthcare professionals and the public should be more cognizant of nausea during the pandemic. The CDC says to look for emergency warning signs for coronavirus. Those who should always see a doctor for chronic diarrhea and vomiting include: Anyone should check in with their doctor if they have: Nausea and diarrhea can be caused by a wide range of conditions but are most often linked to viral infections or food poisoning. Learn more about its causes, treatment options, and more. . Necessary cookies are absolutely essential for the website to function properly. Symptoms may change with new COVID-19 variants and can vary depending on vaccination status. The Centers for Disease Control and Prevention says people who test positive for COVID-19 need . Some forms of cancer may go undiagnosed until gastric symptoms occur. The presence of fat gives your stool a yellow color. Congestion or runny nose. An estimated 9 percent of people who develop COVID-19 may even have diarrhea as a first symptom. xhr.setRequestHeader('Content-Type', 'text/plain;charset=UTF-8'); While nausea and throwing up don't immediately equate to a COVID-19 infection, these symptoms may present themselves first before other gastrointestinal issues like diarrhea, as noted by providers at Tufts Medical Center. Although it has been confirmed that cough and hoarse voice are the main symptoms, recently new studies have linked other Omicron-related conditions. There are five well-acknowledged signs of the Omicron variant of Covid-19, which are as follows: Fatigue Night sweats Scratchy throat Dry cough Mild muscle aches However, the virus may also. "Nausea and diarrhea are symptoms that can have a number of causes that include COVID-19, the stomach flu or food poisoning," says Ashley Barajas, FNP, Nebraska Medicine nurse practitioner.