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.
Vitamin B7/biotin is commonly added to hair and skin beauty products, although itâs believed to not be absorbed very well through the skin and actually must be ingested to be fully beneficial. Biotin can be found in foods like organ meats, eggs, avocado, cauliflower, berries, fish, legumes and mushrooms.