Medically reviewed by Erika Prouty, PharmD Key Takeaways Vitamin B12 is generally safe, but rare reactions like allergies or ...

Berberine side effects may include digestive problems, low blood sugar and blood pressure, headaches, and more. Ask your doctor if berberine is safe for you.

Different blood sugar medications can cause different side effects. Learn more about some of the serious possible side effects of common diabetes medications here.

Researchers at Case Western Reserve University have developed a treatment for advanced prostate cancer that could eliminate a side effect so debilitating that patients often refuse the life-saving ...