1. Understanding Dry Mouth (Xerostomia): Causes, Symptoms & Health Risks Dry mouth, medically called xerostomia , is more than just an irritating condition—it’s a signal that your body is lacking proper hydration or salivary function. Saliva plays a vital role in digestion, oral lubrication, and bacterial control. When your mouth doesn’t produce enough of it, you may experience a sticky, dry feeling, difficulty chewing or swallowing, cracked lips, burning sensations on the tongue, bad breath (halitosis), and even voice changes. Common causes of dry mouth include: Dehydration : One of the top culprits—caused by not drinking enough fluids, excessive sweating, diarrhea, or vomiting. Medications : Over 400 common medications cause dry mouth as a side effect, including antidepressants, antihistamines, decongestants, blood pressure drugs, and painkillers. Mouth breathing : Sleeping with your mouth open, especially due to nasal congestion or sleep apnea (CPAP usage), lea...
1. What Is Dry Mouth During CPAP Therapy? Dry mouth, medically known as xerostomia , is a common complaint among CPAP users—especially those who use nasal masks or tend to breathe through their mouths while sleeping. CPAP machines provide continuous airflow to keep the airways open during sleep, which is essential for treating obstructive sleep apnea (OSA). However, this constant airflow can dry out the mouth, tongue, and throat, especially if there’s any mouth leakage or improper humidification. Patients often describe the feeling as waking up with a dry, sticky mouth , cracked lips, or even a sore throat. While not dangerous, dry mouth can lower CPAP compliance and affect your sleep quality significantly. 2. Why Does CPAP Cause Dry Mouth? Common Reasons Explained Several underlying reasons can lead to dry mouth while using CPAP: Mouth Breathing: If you're using a nasal or pillow mask and sleep with your mouth open, airflow escapes through the mouth, causing dryness. ...