ESPA Inj.

Drotaverine hydrochloride 40mg in 2ml ampoule: injection 10 amps pack: 70.20 MRP 

Indications

Spastic conditions of the gastrointestinal tract, irritable bowel syndrome-

Biliary colics and spastic conditions of the biliary tract: Cholecystolithiasis, cholecystitis, cholangitis.

Renal colics and spastic conditions of the urogenital tract: Nephrolithiasis, ureterolithiasis, pyelitis, cystitis.

Spastic conditions of the uterus: Dysmenorrhea, imminent abortion, uterine tetanus.

Pharmacology

Drotaverine has antispasmodic effect mediated via inhibition of phosphodiesterase-IV, specific for smooth muscle. It has a rapid and direct action on the smooth muscle. It acts to correct cyclic AMP and Ca imbalance at the spastic site, thereby relieving smooth muscle spasm and pain.

Dosage & Administration

Oral-

Adults: 1 to 2 tablets, 3 times daily

Children (over 6 years): 1/2 to 1 tablet, 1-2 times daily.

Children (1-6 years): 1/4 to 1/2 tablet, 1-2 times daily.

Injection-

Adults: 1 to 2 ampoules, intramuscularly or subcutaneously, 1-3 times daily.

For the management of acute stone colics: 1 or 2 ampoules by slow intravenous injection.

Interaction

May attenuate the action of levodopa. Concurrent use of analgesics, antimuscarinics or benzodiazepines. Additive beneficial effect with concurrent use of analgesics, antimuscarinics or benzodiazepines.

Contraindications

Drotaverine is contraindicated in patients with known hypersensitivity to the products and its constituents.

Side Effects

The common side effects are headache, dizziness, rhinitis, sinusitis, gastrointestinal upset, nausea, pharyngitis, edema and fatigue.