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.
In addition, a variety of vitamins and antioxidants may also improve the health and quality of your skin. Here are a few of the most effective ones: Vitamins C and E and Selenium for Your Skin. Research has found that vitamins C and E, as well as selenium, can help protect the skin against sun damage and skin cancer.