How do I stop my mouth from watering at night?

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When your mouth keeps watering continuously, the condition is called hypersalivation.

When your salivary glands produce more saliva than usual, and the extra saliva begins to increase, it may start to drip out of your mouth unintentionally.
Drooling may be a sign of you having an underlying condition.
Having too much saliva may be temporary or chronic, depending on the cause. If you have an infection, your mouth may produce more saliva to help flush out the bacteria. Hypersalivation usually stops once the condition successfully treats.
Constant hypersalivation often relates to an underlying condition that affects your muscle control. The loss of muscle control may be a sign preceding a symptom that develops later on.

What causes temporary hypersalivation?

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Temporary hypersalivation may be caused by:

  • infection
  • cavities
  • pregnancy
  • gastroesophageal reflux(GERD)
  • certain tranquilizers
  • exposure to toxins, such as mercury

Hypersalivation typically goes away after treatment of the underlying condition.

What causes constant hypersalivation?

Constant hypersalivation may cause by chronic health conditions that affect your muscle control. When your muscle control is impaired, it can affect your ability to swallow, leading to saliva buildup. Constant hypersalivation may result from:

  • enlarged tongue
  • malocclusion
  • intellectual disability
  • cerebral palsy; when you have partial facial paralysis
  • facial nerve paralysis
  • Parkinson’s disease
  • stroke
  • amyotrophic lateral sclerosis (ALS); is a nervous system disease causing loss of muscle control

When the cause of too much saliva is chronic, symptom management is critical. Too much saliva can affect your ability to speak clearly or swallow food and drink without choking if left untreated.

What are the treatments for hypersalivation?

Medications

Certain medications can help decrease your saliva production.

  • Glycopyrrolate (Cuvposa) is a standard option.
  • Scopolamine (Hyoscine) is another option. The medicine applies by a skin patch that’s placed behind your ear. It works by blocking nerve impulses to your salivary glands.

You should be aware both medicines have various side effects.

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Injections

Possibly injections with Botox are advised if you constantly have too much saliva. The drug injects into one or more of your major salivary glands. The toxin paralyzes your nerves and your muscles in the area, preventing the glands from producing saliva. Also, you will likely need to return for repeat injections.

Surgery

In severe cases, the condition treats with surgery on the major salivary glands. The glands remove altogether or relocate so that the saliva releases in the back of your mouth, where it can easily be swallowed.

Radiation therapy

When surgery isn’t an option, your doctor may recommend radiation therapy on your major salivary glands. The radiation causes dry mouth, thus relieving your hypersalivation.

Speech therapy

In severe cases, a speech therapist can be of use. They can work with you to help reduce your risk for complications and minimize symptoms.

Your hypersalivation may resolve with treatment with your doctor’s help and may require close management over time.

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