science

Levosulpiride

Levosulpiride 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 Levosulpiride rather than just read about it. In short: Levosulpiride, sold under the brand names Dislep and Sulpepta among others, is a dopamine antagonist medication which is used in the treatment of psychotic disorders like schizophrenia, major depressive disorder, nausea and vomiting, and gastroparesis. It is taken by mouth.

Key takeaways

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

Reference excerpt

Levosulpiride, sold under the brand names Dislep and Sulpepta among others, is a dopamine antagonist medication which is used in the treatment of psychotic disorders like schizophrenia, major depressive disorder, nausea and vomiting, and gastroparesis. It is taken by mouth. It is a selective antagonist of the dopamine D2 receptor and an agonist of the serotonin 5-HT4 receptor. Chemically, it is a benzamide and the (S)-(−)-enantiomer of sulpiride. Levosulpiride is marketed widely throughout the world, including in Europe, South Korea, Latin America, India, and Pakistan. It is not available in the United States or the United Kingdom.

Medical uses Levosulpiride is used in the treatment of:

Psychosis Negative symptoms of schizophrenia Major depressive disorder Anxiety disorders Dysthymia Vertigo Nausea and vomiting Gastroparesis Dyspepsia Irritable bowel syndrome Premature ejaculation Levosulpiride is not currently licensed for treatment of premature ejaculation in the United Kingdom or other European countries.

Side effects Side effects of levosulpiride include amenorrhea, gynecomastia, galactorrhea, changes in libido, and neuroleptic malignant syndrome. In the United States, as of 2013 only one case of adverse reaction to levosulpiride had been recorded on the FDA Adverse Event Reporting System Database. A case of rapid-onset resistant dystonia caused by low-dose levosulpiride was reported in India.

Pharmacology

Pharmacodynamics Levosulpiride is a selective dopamine D2 receptor antagonist. The drug has also been found to act as a moderate agonist of the serotonin 5-HT4 receptor. It is said to have antipsychotic, antidepressant, antiemetic, and gastroprokinetic effects.

Chemistry Levosulpiride is a substituted benzamide derivative. It is the levorotatory enantiomer of sulpiride. Other benzamide derivatives include amisulpride, metoclopramide, tiapride, sultopride, and veralipride, among others.

References

Illustrations

Worked examples

Example 1 — a first encounter with Levosulpiride

Start with the simplest possible case. Write down what Levosulpiride 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 Levosulpiride 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 Levosulpiride 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 Levosulpiride

In research: Levosulpiride 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 Levosulpiride 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: Levosulpiride is common in secondary-school and first-year university syllabi. It links to neighbouring topics 5-HT4 agonists, Antidepressants, Antiemetics, so understanding it makes those chapters shorter.
In everyday life: Look for Levosulpiride 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 Levosulpiride in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Levosulpiride 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 Levosulpiride out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Levosulpiride in simple terms?

Why does Levosulpiride 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 Levosulpiride?

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 Levosulpiride.