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.

During an asthma attack, the airways in and out of your lungs narrow and your body makes extra mucus, both of which make it hard for you to breathe. Everyone has different triggers, but certain types ...

When you sleep in certain positions night after night, it leads to "sleep lines" -- wrinkles that become etched into the top layers of skin and don't fade once you're up. Sleeping on your side leads ...

Medically Reviewed by Poonam Sachdev, MD on August 19, 2026 ...

All day long, your blood sugar levels go up and down. If the sugar -- or glucose-- levels in your blood are too low, you can sometimes get a condition called hypoglycemia. Hypoglycemia mainly affects ...

Medically Reviewed by Mahammad Juber, MD on April 28, 2026 ...

If you’re a forgetful person, your friends or family may have told you to try ginkgo biloba. People use the herbal supplement to help with memory loss and other health conditions. But is there proof ...

Vaccines help protect us from dangerous viruses and bacteria. Once you've had a shot for a particular disease, you might think you're always safe from it. But that's not necessarily the case. For some ...

Gender-affirmation care refers to treatments, ranging from surgery to speech therapy, that support a transgender or nonbinary person in their gender transition. Transgender people identify with a ...

Magnesium is a mineral your body needs to work right. It helps with hundreds of important body processes, including those that control how your muscles and nerves work. It helps to keep your bones ...

Sciatica refers to back pain caused by a problem with the sciatic nerve. This is a large nerve that runs from the lower back down the back of each leg. When something injures or puts pressure on the ...

Mosquito bites are itchy, annoying, and can even make you sick. Find out what works (and what doesn't) to protect you from these blood-sucking bugs.