Coronavirus Medical Reference

If you have diabetes, you may be more at risk for long COVID, but we’re still not sure what to expect.

Experts continue to study the effects COVID-19 has on your health. They’ve found that depression is a common side effect of long COVID. Read more here.

If you’ve had COVID-19 before, can you get it again? Experts say yes. Learn more about COVID reinfection and how to protect yourself.

The National Wastewater Surveillance System helps experts track COVID-19 cases in sewage. Learn more about how it can help protect you from the virus.

Get the most up-to-date information on the Omicron variant of COVID-19. Stay informed and understand the key facts with this comprehensive guide.

Experts believe the COVID-19 virus began in wild animals. Learn more about how this virus influences wildlife and how that may affect humans.

Antiviral drugs can help your body fight off viruses like COVID-19. Learn more about forms of antivirals approved for COVID-19 treatment.

COVID-19 may be linked to swollen, discolored toes. Find out what the symptoms and treatments are, which other skin condition can look like COVID toes, and more.

Over half of a COVID-19 survivor sample reported symptoms of depression after recovery. Learn more about the link between COVID-19 and mental health.

Fatigue is a common symptom of COVID-19. But for some, it can last weeks or months. Here’s what to know about COVID-19 infections and long-term fatigue.

People infected with the coronavirus that causes COVID-19 may have different viral loads.

In some people, the COVID-19 vaccine has been linked to myocarditis, or inflammation of the heart. Learn how to spot signs of myocarditis and what to do if you think you have it.

Even a mild case of COVID-19 can have lasting effects on your heart. Once you feel better after you’ve had the virus, use this information to make sure your heart stays healthy after your recovery.

WebMD explores what the research says about vitamin D and COVID-19.

You’ve recovered from COVID-19, but now your heart races and you get dizzy when you stand up. Is there be a link? It’s possible -- here’s what you should know.

There’s a small chance you could catch COVID-19 after you’re fully vaccinated. You might hear this called “breakthrough COVID-19.” Here’s what you need to know.

With more and more people traveling again, you may wonder what’s safe. It mainly depends on whether you’ve gotten the COVID-19 vaccine. Here’s what to know if you’re thinking about a trip in the U.S. or abroad.

Some people who’ve had the COVID-19 virus developed neurological side effects, or symptoms affecting their brain function. Find out why this happens and what conditions it could cause.

Learn how COVID-19 may lead to erectile dysfunction.

Monoclonal antibodies have been a breakthrough treatment for cancer and other diseases. Now doctors are turning to them in the fight against COVID-19. Find out what this therapy is, how it works, and who might benefit.

COVID-19 can lead to serious kidney problems. Here’s what you need to know to stay safe.

It’s unlikely, but there have been a few cases of COVID-19 potentially spreading through surfaces. Find out how and when you should clean your home to keep you and your family safe.

Some people with COVID-19 have long-term symptoms that can last weeks or months. You may know it as “long COVID,” but experts call it post-acute sequelae of SARS-CoV-2 infection (PASC).

Hydroxychloroquine is a prescription drug used to treat many autoimmune disorders. It was first used to treat malaria. See what other conditions it treats and possible side effects.

Look up terms often used in articles about the novel coronavirus, which causes COVID-19.

People from all walks of life get COVID-19, the disease caused by the new coronavirus, but some may have greater chances of catching it. A lot depends on the kind of work you do, the conditions you live in, and whether you have other health problems.

COVID-19 may cause gastrointestinal problems such as diarrhea, vomiting, and abdominal pain more often than is commonly known, early research from China shows.

Antibody tests can't be used to diagnose the new coronavirus. But they can tell you if you've ever had it. This can help health officials understand and fight the virus. Learn more about these fast blood tests.

Masks are still an important part of your COVID protection. Be sure you know when to wear one -- and how.

If you have a chronic liver disease, your chances of severe illness from COVID-19 may be higher. But it’s unclear just how much more harm the new coronavirus may pose.

If you have lupus, you're at a higher risk of catching the new coronavirus. You're also more likely to get seriously sick from it. Find out the best ways to protect yourself.

What to know about Coronavirus and Lung Cancer- Learn how to recognize signs and symptoms, your risks, how to treat, and steps you can take to prepare at home today.

This disease can happen as a result of a COVID-19 (coronavirus) infection. It affects both lungs and can cause trouble breathing, fatigue, and permanent scarring. Find out how it’s diagnosed and treated.

The COVID-19 pandemic is a stressful time for everyone. This is especially true if you have obsessive compulsive disorder. But there are things you can do to manage your OCD.

If you smoke or vape, you may be more likely to get the coronavirus and to get very sick from it. Learn why it's especially important for you to protect yourself.

Dental offices in some areas are reopening for non-urgent visits and surgeries.

Mucus is natural. If your body makes too much of it, it might be a sign of a wide range of problems, including acid reflux, allergies, asthma, infections, or other conditions.

These respiratory infections have a lot in common -- and put kids at risk. Learn how to tell the difference and what to do if you or your child get sick.

Pneumonia is a serious complication of COVID-19. This lung illness may cause severe breathing problems that put you in the hospital. Learn the warning signs, who’s at risk, and steps you can take to prevent infection.

Telemedicine uses technology to make health care something it’s rarely been: convenient. Learn more about telemedicine, including who uses it, how it works, and what you should do to get the most out of your experience.

The coronavirus can cause a severe respiratory illness that needs a ventilator. Here's how they work and when you might need one.

If you have an autoimmune disorder, it could make you more likely to have serious complications from COVID-19. Some medicines that treat the condition do, too. Here’s what you should know.

Seasonal allergies and the coronavirus share some symptoms. Learn how to tell the difference between the two. And find out what people with allergies should do during an outbreak.

You probably always heard that the average human body temperature is 98.6 F. But the reality is that a "normal" body temperature can fall within a wide range, from 97 F to 99 F.

Most people who get COVID-19 don’t have serious complications. But for those who do have severe cases, these are some of the complications that can happen.

Here is what you need to know about how COVID-19 affects chiropractic care.

Most people who get COVID-19 will have mild illness. But it’ll still take time to recover. Learn more recovery and tips for feeling better after COVID-19.

COVID-19 is a serious respiratory disease that mainly affects the lungs. Here’s what coronavirus can do to your lungs in mild-to-moderate, severe, and critical cases.

Can warm weather stop the coronavirus from circulating? Find out if the weather and heat can reduce or possibly end the COVID-19 outbreak.