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.
Biotin is a well-renowned nutrient for hair and nail health. As such, this vitamin is one of the important vitamins for hair and nail growth. Essential fatty acids such as Omega 3 fish oil is known for their ability to significantly improve hair and nail health, improving hair texture, lustre and condition. Vitamin C is an antioxidant that helps maintain skin & hair health. 2  Vitamin C aids in improving scalp circulation. 3  Vitamin E is an antioxidant that enhances scalp circulation. 4  Vitamin E also improves health and growth of hair.