Over-the-counter (OTC) medications Archive

Widely trusted for pain and fever, acetaminophen can still harm the liver in high doses. Learn who’s most at risk and how to use it safely.

A 2025 study suggests that very low levels of lithium in the brain might be linked to Alzheimer's disease. In mice, certain lithium supplements seemed to protect memory and the brain. But scientists don't yet know if lithium pills are safe or helpful for people.

People sometimes have difficulty knowing if they should seek care at an emergency room or an urgent care center. Urgent care centers can treat health problems that don't endanger lives, while emergency rooms can treat serious or life-threatening problems.

For people who are concerned they're drinking too much but don't want to give up alcohol entirely, the Sinclair Method may help. It involves taking naltrexone (a drug that dampens alcohol's euphoric effects) an hour or two before drinking.

Daily nasal irrigation (nasal rinses) may reduce symptom severity and the duration of a cold. It can also relieve the congestion caused by sinus infections and allergies. By means of a squeeze bottle, neti pot, or battery-powered system, saline is inserted into one nostril and flows out the other.

Eye movement desensitization and reprocessing (EMDR) therapy is recognized as a proven method for treating post-traumatic stress disorder. It also shows promise for other mental health conditions, including personality disorders, anxiety, and depression.

Heart palpitations are sensations of a pounding or racing heartbeat, often triggered by stress, stimulants, or hormonal changes. They're usually harmless but should be checked by a doctor. Palpitations may improve with lifestyle changes or treatment for underlying conditions.

Nutritional yeast is a savory condiment that's often heavily fortified with vitamins. Because high doses may cause side effects, interact with some medications, or cause certain health problems, it's best used sparingly as a flavoring, not as a supplement.

A transient ischemic attack (TIA), or ministroke, is a serious warning sign for future stroke, especially in the first 48 hours. Medications plus lifestyle changes-healthy eating, regular exercise, and blood pressure control-can significantly lower that risk.

A pinched nerve occurs when something compresses or irritates a nerve. This can cause pain, tingling, or weakness in areas like the neck, back, or wrist. Rest and home remedies can help, but physical therapy and medication are sometimes needed.