science

Hypersalivation

Hypersalivation is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Hypersalivation rather than just read about it. In short: Hypersalivation or hypersialosis is the excessive production of saliva. It has also been defined as increased amount of saliva in the mouth, which may also be caused by decreased clearance of saliva.

Key takeaways

Hypersalivation belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Hypersalivation to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Hypersalivation from memory before moving on to harder problems.

Reference excerpt

Hypersalivation or hypersialosis is the excessive production of saliva. It has also been defined as increased amount of saliva in the mouth, which may also be caused by decreased clearance of saliva. Hypersalivation can contribute to drooling if there is an inability to keep the mouth closed or difficulty in swallowing (dysphagia) the excess saliva, which can lead to excessive spitting. Hypersalivation also often precedes emesis (vomiting), where it accompanies nausea (a feeling of needing to vomit).

Causes

Excessive production Conditions that can cause saliva overproduction include:

Rabies Pellagra (niacin or vitamin B3 deficiency) Gastroesophageal reflux disease, in such cases specifically called a water brash (a loosely defined lay term), and is characterized by a sour fluid or almost tasteless saliva in the mouth Gastroparesis (main symptoms are nausea, vomiting, and reflux) Pregnancy Fluoride therapy Excessive starch intake Anxiety (common sign of separation anxiety in dogs) Pancreatitis Liver disease Serotonin syndrome Mouth ulcers Oral infections Sjögren syndrome (an early symptom in some patients) Medications that can cause overproduction of saliva include:

aripiprazole clozapine pilocarpine ketamine potassium chlorate risperidone pyridostigmine Substances that can cause hypersalivation include:

mercury copper organophosphates (insecticide) arsenic nicotine thallium

Decreased clearance Causes of decreased clearance of saliva include:

Infections such as tonsillitis, retropharyngeal and peritonsillar abscesses, epiglottitis and mumps. Problems with the jaw, e.g., fracture or dislocation Radiation therapy Neurologic disorders such as Amyotrophic lateral sclerosis, myasthenia gravis, Parkinson's disease, multiple system atrophy, rabies, bulbar paralysis, bilateral facial nerve palsy, frontotemporal dementia, and hypoglossal nerve palsy

Treatment Hypersalivation is optimally treated by treating or avoiding the underlying cause. Mouthwash and tooth brushing may have drying effects. In the palliative care setting, anticholinergics and similar drugs normally reduce the production of saliva, causing a dry mouth; thus, they could be considered for symptom management. Such drugs include scopolamine, atropine, propantheline, hyoscine, amitriptyline, and glycopyrrolate. As of 2008, it is unclear if medication for people who have too much saliva due to clozapine treatment is useful.

References

External links

Worked examples

Example 1 — a first encounter with Hypersalivation

Start with the simplest possible case. Write down what Hypersalivation claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Hypersalivation before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Hypersalivation ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Hypersalivation

In research: Hypersalivation appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Hypersalivation in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Hypersalivation is common in secondary-school and first-year university syllabi. It links to neighbouring topics Saliva, Salivary gland pathology, so understanding it makes those chapters shorter.
In everyday life: Look for Hypersalivation outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Hypersalivation in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Hypersalivation means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Hypersalivation out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Hypersalivation in simple terms?

Hypersalivation or hypersialosis is the excessive production of saliva. It has also been defined as increased amount of saliva in the mouth, which may also be caused by decreased clearance of saliva.

Why does Hypersalivation matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Hypersalivation?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Hypersalivation.