Do you often wake up in the morning to find your pillow wet? Or perhaps you have noticed your baby's mouth dripping with saliva, leaving you feeling worried? This is a very common experience for many people around the world.
Sometimes, this is completely normal and nothing to worry about at all. However, in other cases, it is important to pay close attention. Today, let us talk about everything you need to know about drooling.
Key Takeaways
- Drooling is normal in babies up to age two, especially during teething.
- Sleeping on your side or stomach often causes nighttime drooling due to gravity.
- Sudden or heavy drooling in adults can signal an infection, allergy, or nerve condition.
- Simple home care and medical treatments can help manage excessive saliva flow.
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What Is Drooling?
Simply put, drooling happens when saliva escapes from your mouth without you meaning for it to happen. Doctors use medical terms like ptyalism or sialorrhea, but in everyday chat, we just call it drooling.
Most of the time, this is not a serious problem. In particular, it is completely normal for young babies up to about two years old to drool. The reason is that babies cannot yet control the muscles around their mouths very well.
Saliva also increases when babies start getting their new teeth. Many adults also experience normal drooling while sleeping at night.
However, sometimes this can be a sign of a nervous system condition. Examples include cerebral palsy or Parkinson disease. Because of this, understanding the root causes is very important.
Causes of Drooling
Many different factors can cause drooling rather than just one single reason. Anything that makes it hard to swallow your spit, affects your mouth muscles, or increases saliva production can lead to drooling. Let us look at the main causes below.
| Cause | Description |
|---|---|
| Age | Normal in newborns and toddlers up to two years old. Saliva peaks around three to six months and during teething. |
| Diet | Sour foods like lemons and oranges, as well as sugary foods, can cause your mouth to make extra saliva. |
| Nerve Disorders | Conditions like stroke, cerebral palsy, Parkinson disease, ALS, multiple sclerosis, Down syndrome, and autism affect swallowing. |
| Infections | Strep throat, mono, sinus issues, tonsillitis, or a severe throat abscess can make swallowing painful and cause drooling. |
| Other Health Issues | Allergies, acid reflux (GERD), swollen adenoids, pregnancy nausea, certain medicines, insect bites, or toxic chemical exposure. |
Emergency Warning
If you suspect that drooling is caused by swallowing a toxic substance like a pesticide, take the person to the nearest hospital emergency room (ER) right away. Call 911 (US/Canada) or 999 (UK) right away for emergency medical transport.
Why Do People Drool During Sleep?
This is a very common question for many adults. Often, the main reason comes down to the position you choose when you fall asleep.
Think about it this way: if you sleep flat on your back with your neck straight, gravity keeps your saliva inside your mouth. But if you sleep on your side or face down on your stomach, saliva can easily flow out of your open mouth.
However, there is another angle to consider. If you have always slept on your side without issues, but sudden drooling starts happening recently, something else might be going on.
An allergy, a mild sinus infection, or acid reflux coming up from your stomach can all trigger sudden nighttime drooling. Paying attention to these body signals helps you figure out if you need a checkup.
Treatments for Drooling
Not every case of drooling requires medical treatment. Normal drooling in young children goes away on its own as they grow up.
However, if this condition is severe or interferes with your daily life and social connections, your doctor can find the cause and suggest the right treatment.
Several medical options exist to help manage excessive saliva:
- Medicines: Doctors can prescribe medicines like scopolamine or glycopyrrolate to help slow down saliva production.
- Botox Injections: Doctors can inject Botox into your salivary glands to safely reduce the amount of fluid they make.
- Motor Therapy: Physical therapy exercises help strengthen the muscles around your mouth so you can control swallowing better.
- Oral Appliances: Special dental devices worn in the mouth can help your lips close properly when you swallow.
- Surgery: If other treatments do not work, surgery is an option to change how salivary glands work or redirect saliva flow.
- Radiation Therapy: Doctors use this as a very last resort in severe cases to reduce gland output.
What You Can Do at Home
Yes, there are a few simple things you can try at home to manage mild symptoms.
For teething babies who drool, giving them a cold teething ring or an ice pop to chew on can bring soothing relief. For adults who experience frequent drooling, limiting sour foods like lemons or oranges and cutting back on sugary snacks can help.
This is because sour and sugary items stimulate your salivary glands to work overtime and produce more fluid.
What Happens If Left Untreated?
While normal drooling is harmless, a continuous severe condition can cause other health issues. For example, extra moisture around the mouth can cause painful skin cracking at the corners of the lips, known as angular cheilitis.
Even more seriously, in severe cases where people cannot swallow well, extra saliva can slip down into the lungs. This can lead to a dangerous lung infection called aspiration pneumonia.
When Should You See a Doctor?
As we mentioned earlier, drooling is a normal part of early childhood development. However, if you notice sudden or heavy drooling that starts out of nowhere, you should take notice.
Keep in mind that drooling can sometimes point to an underlying medical condition. If you spot any warning signs or feel that this issue disrupts your daily routine, do not hesitate to schedule a visit with your doctor.
Your doctor has the expertise to find the exact root cause and recommend a treatment plan tailored just for you.
💡 Take-Home Message
- Drooling is completely normal in babies up to age two, especially during the teething phase.
- Sleeping on your side or stomach is a very common cause of nighttime drooling.
- Sudden or heavy drooling may point to an infection, allergy, or underlying nerve condition.
- See a doctor right away if drooling causes skin irritation at the corners of your mouth or breathing discomfort.
- If you suspect exposure to toxic substances like pesticides, seek emergency medical care at the nearest hospital right away.
Sources & References:
- Cleveland Clinic. Sialorrhea (Drooling): Causes and Management. Available from health.clevelandclinic.org.
- Mayo Clinic. Drooling and Salivary Gland Disorders: Symptoms and Care. Available from mayoclinic.org.
- National Health Service (NHS UK). Saliva Production and Swallowing Difficulties. Available from nhs.uk.
- Centers for Disease Control and Prevention (CDC). Poisoning and Toxic Exposures Overview. Available from cdc.gov.
- National Institutes of Health (NIH) / PubMed. How it happens and Management of Chronic Sialorrhea in Neurological Conditions.
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