 [ Symptoms ] my 3 yr old has thrown up twice after eating peanut butter and a peanut cliff bar but has eaten peanut butter before i am wondering if this could be an onset of an allergy she also has some itchy patches on her chin below her lip should i see a doctor [ Disease ] your first step is to exclude any underlying medical causes such as a thyroid condition connective tissue disease or an infectious process when you wash your hands avoid cleansers that contain alcohol this will further dry your hands your next step is to focus on moisturizing and hydrating your hands