Opill (norgestrel) is a brand-name birth control pill that’s taken to help prevent pregnancy. It’s available over the counter. As with other drugs, Opill can cause side effects, such as headache and ...

A young woman in a TikTok video unfolds a drug information package insert, revealing a paper large enough to cover her curled up body. “When they forget to give you a blanket but you brought your ...

Opill (norgestrel) is an over-the-counter oral birth control pill. Opill can cause side effects that range from mild to serious. Examples include irregular periods, headache, and nausea. The Food and ...