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.
(Explore some useful hair loss products here). Only recently has vitamin E as an oil or supplement come into focus as truly beneficial. Vitamin E has been shown to help even out heart arrhythmia, decrease sun damage to skin, and help keep skin youthful for a longer period of time.