Chemicals and Drugs

Tocolytic Agents

Drugs that prevent preterm labor and immature birth by suppressing uterine contractions (TOCOLYSIS). Agents used to delay premature uterine activity include magnesium sulfate, beta-mimetics, oxytocin antagonists, calcium channel inhibitors, and adrenergic beta-receptor agonists. The use of intravenous alcohol as a tocolytic is now obsolete.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Drugs that prevent preterm labor and immature birth by suppressing uterine contractions (TOCOLYSIS). Agents used to delay premature uterine activity include magnesium sulfate, beta-mimetics, oxytocin antagonists, calcium channel inhibitors, and adrenergic beta-receptor agonists. The use of intravenous alcohol as a tocolytic is now obsolete.

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Classification

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See Also

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Synonyms

9 entry terms
  • Tocolytic
  • Tocolytic Agent
  • Tocolytics
  • Agent, Tocolytic
  • Agents, Tocolytic
  • Tocolytic Effect
  • Tocolytic Effects
  • Effect, Tocolytic
  • Effects, Tocolytic

MeSH Record

Aspects Covered

24 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analysis, antagonists & inhibitors, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, economics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Record

Indexing Annotation

note entry term TOCOLYTIC EFFECT: use only for the tocolytic effect of a chemical substance

MeSH Record

History Note

89

MeSH Record

Previous Indexing

  • Labor, Premature (1973-1988)
  • Muscle Contraction (1966-1974)
  • Uterine Contraction (1975-1988)
  • Uterus (1966-1974)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Tocolytic Agents. Medical Subject Headings (MeSH). 2026. Unique ID D015149. http://id.nlm.nih.gov/mesh/2026/D015149
  2. Tocolytic Agents. In: Wikipedia. https://en.wikipedia.org/wiki/Tocolytic
  3. Tocolytic Agents. In: Wikidata. https://www.wikidata.org/wiki/Q545234