You’re probably dealing with hypersalivation (also called sialorrhea) – when your body makes more saliva than usual or you’re not clearing/swallowing it efficiently.

Below is a clear “quick scoop” style breakdown.

Why Do I Produce So Much Saliva?

What “too much saliva” usually means

Sometimes it’s:

  • Actual overproduction from the salivary glands.
  • Normal production, but you’re swallowing less efficiently (so it pools or you drool more).

People often notice it:

  • Suddenly (mouth feels “flooded,” more swallowing, drooling on pillow).
  • In specific situations (after eating, when nauseous, with reflux, during pregnancy, when anxious).

Common everyday causes (often benign)

These are frequent, non‑serious reasons for extra saliva:

  • Mouth or throat irritation
    Cavities, gum disease, mouth ulcers, braces, dentures, or oral infections can all trigger protective saliva.
  • Infections of throat/sinuses
    Strep throat, tonsillitis, mono, sinus infections, or colds can increase saliva as your body tries to flush germs and keep tissues moist.
  • Acid reflux / GERD
    Stomach acid coming up into the esophagus makes your mouth produce extra saliva to neutralize the acid (sometimes called “water brash”).
  • Nausea or vomiting
    When you’re about to vomit or feel queasy (food poisoning, stomach flu, pregnancy nausea), saliva production ramps up.
  • Pregnancy
    Hormone shifts and nausea in early pregnancy commonly cause more saliva for some people.
  • Foods and habits
    Sour, spicy, or very acidic foods, chewing gum, or just thinking about food can all increase saliva. This is normal physiology.

Medical conditions that can cause hypersalivation

Most of these are less common and usually come with other obvious symptoms:

  • Neurological conditions
    Disorders that affect muscle control or swallowing (like Parkinson’s disease, cerebral palsy, stroke, multiple sclerosis, motor neuron disease) can make it harder to manage normal saliva, leading to drooling.
  • Difficulty swallowing (dysphagia)
    Any problem that makes swallowing weak or uncoordinated (after a stroke, some brain or muscle diseases) can cause saliva to leak or pool.
  • Swollen tonsils or adenoids
    Tonsillitis or big adenoids can narrow your throat, make swallowing awkward, and increase saliva.
  • Metabolic or systemic illness
    In rarer cases, conditions like severe reflux‑related gastroparesis, vitamin deficiencies, or serious infections (for example, rabies in very specific circumstances) can cause hypersalivation, though these usually have dramatic other symptoms.

Medicines, toxins, and other triggers

  • Medications
    Some drugs can cause sialorrhea as a side effect, including certain antiepileptics, muscle relaxants, and other neurologic/psychiatric medications.
  • Toxin exposure (emergency)
    Exposure to certain pesticides, heavy metals (like mercury), or plant toxins can cause sudden, heavy drooling along with nausea, vomiting, confusion, or trouble breathing – this is an emergency.

When should you worry?

See a doctor or urgent care soon if you notice saliva increase plus:

  • New difficulty swallowing, choking, or coughing when eating or drinking.
  • Weakness on one side of the face or body, slurred speech, or sudden confusion (possible stroke → emergency).
  • High fever, severe sore throat, trouble breathing, or inability to swallow fluids.
  • Recent exposure to pesticides, heavy metals, or suspicious chemicals, especially with nausea, vomiting, or breathing problems (call emergency services).
  • Unexplained weight loss, persistent nighttime drooling, or neurological symptoms like tremor or muscle stiffness.

If it’s been going on for more than a couple of weeks or bothering you socially or at night, it’s reasonable to book a primary‑care or dental visit even without red‑flag symptoms.

What doctors and dentists usually do

A typical evaluation may include:

  • History and exam
    Questions about when it started, your medications, reflux, infections, nausea, neurologic symptoms; plus mouth, teeth, throat, and neurological exams.
  • Tests if needed
    Throat swabs, blood tests, imaging, or swallow studies if they suspect infection, reflux complications, or neurological/swallow problems.

Treatment depends on the cause and can include:

  • Treating infections, cavities, gum disease, reflux, or allergies.
  • Adjusting medications that may be contributing.
  • Speech/swallow therapy, posture and head‑position training for people with neurological causes.
  • In tougher chronic cases, medications that reduce saliva, botulinum toxin injections into salivary glands, or, rarely, surgery on salivary glands or ducts.

Simple things you can try while you wait to be seen

These don’t replace medical advice, but many people find them helpful:

  • Maintain good oral hygiene and address obvious dental issues (bleeding gums, tooth pain) as soon as you can.
  • Avoid very sour, spicy, or acidic foods and drinks if you notice they trigger “mouth flooding.”
  • If you suspect reflux:
    • Eat smaller meals, avoid lying down within 2–3 hours after eating, cut back on late‑night heavy or greasy meals.
    • Limit alcohol, caffeine, mint, and very fatty foods.
  • Practice deliberate swallowing and good posture, especially if you tend to drool when leaning forward or sleeping.
  • Stay hydrated; paradoxically, being well‑hydrated can make saliva feel less thick and annoying.

Quick recap (TL;DR)

  • Producing “too much” saliva is often your body reacting to irritation (mouth, throat, reflux), infections, nausea, or certain medicines – and is commonly treatable.
  • Less commonly, neurological or swallowing problems reduce your ability to manage normal saliva, leading to drooling.
  • New, severe, or persistent hypersalivation – especially with trouble swallowing, breathing, or neurologic symptoms – should be checked by a doctor promptly.

Important: I can’t diagnose you, but if your saliva increase is new, severe, or worrying, or if you have any of the danger signs above, please contact a doctor or an urgent/emergency service as soon as you can.

Information gathered from public forums or data available on the internet and portrayed here.