Mebeverin

ATC CodeA03AA04
CAS number3625-06-7
PUB number4031
Drugbank IDDB12554
Empirical formulaC25H35NO5
Molar mass (g·mol−1)429,55
Physical statesolid
Melting point (°C)129–131

Basics

Mebeverine is an antispasmodic drug used for the symptomatic treatment of stomach pain and cramps associated with irritable bowel syndrome and other gastrointestinal disorders. It is a derivative of papaverine, which occurs naturally in the opium poppy, and is classified in the spasmolytic group of substances. Mebeverine is administered orally in the form of sustained-release capsules. It was first approved in 1965.

Pharmacology

Pharmacodynamics

Mebeverine is a spasmolytic whose exact mechanism of action is not well known. However, it acts very selectively directly on smooth muscle in the gastrointestinal tract and may have an anesthetic effect. In addition, it appears to affect calcium channels and muscarinic receptors.

Pharmacokinetics

Mebeverine is metabolized primarily by esterases in the liver. The metabolites are excreted in the urine.

Toxicity

Side effects

Adverse effects include:

  • Hypersensitivity reactions
  • Immune system disorders
  • Skin disorders including hives and rashes
  • Edema
  • Heartburn
  • Digestive disorders
  • Fatigue
  • Diarrhea
  • Constipation
  • Loss of appetite
  • General malaise
  • Dizziness
  • Insomnia
  • Headache
  • Decreased pulse rate

In a urine drug screening test, mebeverine may cause a false positive result for amphetamines.

Markus Falkenstätter, BSc

Markus Falkenstätter, BSc

Mag. pharm. Stefanie Lehenauer

Mag. pharm. Stefanie Lehenauer



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