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COVID-19 is a respiratory condition caused by a coronavirus. Some people are infected but don’t notice any COVID-19 symptoms (doctors call that being asymptomatic). Most people have mild symptoms...
2024年1月7日 · Depending on which COVID-19 variant you've been exposed to, you may test positive 3-5 days later. If you've been exposed to the virus but don't have any symptoms, wait for 5 days before you get ...
2023年9月5日 · What Are Drug Interactions? When a medication works right, it boosts your health or helps you feel better. But a drug can bring on problems if it doesn't mix well with something else you put into...
2022年3月6日 · Use WebMD’s Pill Identifier to find and identify any over-the-counter or prescription drug, pill, or medication by color, shape, or imprint and easily compare pictures of multiple drugs.
2022年8月12日 · Wheezing. Crackling (Rales) Stridor. Rhonchi. 4 min read. If your doctor thinks you might have an issue with your lungs, the type and location of certain breathing sounds can help them figure out...
2023年11月7日 · What Is Atherosclerosis? Atherosclerosis is when plaque -- a sticky substance made of cholesterol, fat, calcium, and other materials — builds up inside the walls of your arteries. Arteries are the...
2024年6月20日 · A fever is when your body temperature is higher than usual, often due to an infection or illness. Doctors generally consider a fever to be an oral temperature of 100 F (37.8 C) or higher.
