What Causes Dry Mouth?

  What Causes Dry Mouth?   There are several causes of dry mouth, also called xerostomia. These include: Side effect of certain medications. Dry mouth is a common side effect of many prescription and nonprescription drugs, including drugs used to treat depression, anxiety, pain, allergies, and colds (antihistamines and decongestants), obesity, acne, epilepsy, hypertension (diuretics), Read More