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 C. Vitamin C is good for your hair growth and healthy skin. Vitamin C may help your skin look younger, according to the Mayo Clinic. Vitamin C plays an essential role in forming collagen. Collagen, a protein, stimulates skin production, according to the National Institutes of Health.
Hair loss vitamins such as Biotin, Niacin (Vitamin B3) and Vitamin C, and minerals for hair loss such as Zinc and Iron, provide essential hair nutrients to nourish healthy and longer hair. Eating enough of these key hair growth vitamins can help prevent hair loss in both men and women.