3. Acid Reflux (GERD)
People with gastroesophageal reflux disease (GERD) sometimes produce extra saliva as a response to stomach acid irritating the esophagus.
This “water brash” can contribute to nighttime drooling.
Other symptoms may include:
- Heartburn
- A sour taste in the mouth
- Chest discomfort after meals
4. Sleep Disorders
Excessive drooling may sometimes be associated with sleep disorders, particularly obstructive sleep apnea.
If you also experience:
- Loud snoring
- Gasping for air during sleep
- Pauses in breathing
- Extreme daytime fatigue
it’s important to speak with a healthcare professional, as sleep apnea can increase the risk of high blood pressure, heart disease, and stroke if left untreated.
5. Certain Medications
Some medications can increase saliva production or make swallowing less frequent during sleep.
Examples include certain medications used for:
- Mental health conditions
- Alzheimer’s disease
- Some antibiotics and other prescription drugs
If drooling began after starting a new medication, consult your healthcare provider before making any changes.
6. Neurological Conditions
Persistent or severe drooling can sometimes occur in people with neurological disorders that affect muscle control or swallowing, such as:
- Parkinson’s disease
- Stroke
- Amyotrophic lateral sclerosis (ALS)
- Cerebral palsy
However, drooling alone does not mean someone has one of these conditions. It is usually accompanied by other neurological symptoms
