Especially for individuals with rosacea, eczema, or those who are pregnant or breastfeeding, retinol can end up doing more ...

Ivermectin, which is used to treat certain parasitic infections, can cause side effects. Learn about its mild and serious side effects and how to manage them.

While generally safe, black seed oil can cause side effects, including rash (if applied topically), allergic reactions, irregular periods, and gastrointestinal (GI) discomfort and nausea.