Dry mouth/Xerostomia Xerostomia is commonly known as dryness mouth. It results from an inadequate flow of saliva. It often occurs as a symptom of a medical disorder or a side effect of certain medications, such as antihistamines, decongestants, pain killers, diuretics and many others. Symptoms of Dry Mouth? Common symptoms include: A sticky, dry feeling in the mouth Frequent thirst Cracked lips and Mouth sores at the corners of the mouth. A dry feeling in the throat tingling or burning sensation in the mouth and especially on the tongue. A dry, red, raw tongue. Problems speaking or trouble tasting, chewing, and swallowing Hoarseness, dry nasal passages, sore throat. Bad breath. Causes of xerostomia- 1) Medicines Drugs like Antihistamines, decongestants, hypertensive medications , muscle relaxants, urinary continence drugs, some Parkinson's disease...