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Too much thyroid hormone. Symptoms include weight loss, chest pain, cramps, diarrhea, and nervousness. Also called hyperthyroidism.

Overactive bladder is a condition in which the bladder squeezes urine out at the wrong time. You may have overactive bladder if…

Over-the-counter (OTC) medicines are drugs you can buy without a prescription. Some OTC medicines relieve aches, pains and itches. Some prevent or…

Refers to a medicine that can be bought without a prescription (doctor's order). Examples include analgesics (pain relievers), such as aspirin and…

Specifies whether a product is available without a doctor's permission, order or prescription.

A medicine or device that can be bought without a doctor's order or prescription.