All medications have side effects. Hives, constipation, dry mouth, and headaches are common side effects in a lot of drugs. But in some cases certain side effect combinations can indicate an allergic reaction instead of being a side effect. Be sure to read the specific warnings on the drug to be sure.
Vitamin A. Vitamin A will help your hair and skin health. This antioxidant vitamin helps normalize cell growth, maintain healthy skin, form collagen and increase your cell renewal rate, according to the National Institutes of Health.
Vitamins good for hair growth and healthy skin will help fight any free radicals found in your body. Free radicals break down your cells and cause symptoms of unhealthy skin and hair such as wrinkles and hair loss, according to the National Institutes of Health and the Mayo Clinic.