Disopyramide

Chemical formula: C₂₁H₂₉N₃O  Molecular mass: 339.475 g/mol  PubChem compound: 3114

Interactions

Disopyramide interacts in the following cases:

Interaction

at least one of
Low-ceiling diuretics, thiazides
Low-ceiling diuretics, excl. thiazides
High-ceiling diuretics

Interaction

Myasthenia gravis and other myoneural disorders

Interaction

Glaucoma

Interaction

at least one of
Adult hypertrophic pyloric stenosis
Pylorospasm, not elsewhere classified

Interaction

Erythromycin

Interaction

Rifampicin

Interaction

Hyperplasia of prostate

Pregnancy

Although disopyramide has undergone animal tests for teratogenicity without evidence of any effect on the developing foetus, its safety in human pregnancy has not been established. Disopyramide has been reported to stimulate contractions of the pregnant uterus. The drug should only be used during pregnancy if benefits clearly outweigh the possible risks to the mother and foetus.

Nursing mothers

Studies have shown that oral disopyramide is secreted in breast milk, although no adverse effects to the infant have been noted. However, clinical experience is limited and disopyramide should only be used in lactation if, in the clinician’s judgement, it is essential for the welfare of the patient. The infant should be closely supervised, particularly for anticholinergic effects and drug levels determined if necessary. Ideally, if the drug is considered essential, an alternative method of feeding should be used.

Effects on ability to drive and use machines

Some adverse reactions may impair the patients ability to concentrate and react, and hence the ability to drive or operate machinery.

Cross-check medications

Review your medication to ensure that there are no potentially harmful drug interactions or contraindications.

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