Medically reviewed by Mary Choy, PharmD Key Takeaways High doses of vitamin C, especially above the tolerable upper limit of ...

GLP-1 receptor agonists affect sexual function differently across individuals and influencing libido and hormone levels in ...

Collagen is a protein needed for bone and skin health. Possible side effects of collagen include stomach upset, allergic reactions, and a rare skin reaction.

At the 2025 Society for Neuroscience meeting, scientists discussed the adverse side effects of GLP-1 agonists and new directions for future research.

Lindsay Hallman, CVT, CCMT, VTS (Oncology), and Katelyn McDonald, CVT, VTS (Oncology), discuss what oncology patients may ...

An international survey has revealed that electroconvulsive therapy (ECT) causes a much broader and more damaging range of side effects than previously acknowledged, challenging long-held claims about ...

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Valacyclovir is a generic drug that’s prescribed for certain viral infections in adults and certain children. As with other drugs, valacyclovir can cause side effects, such as headache and nausea.