Europe — EMA
No-Spa (Drotaverine Hydrochloride)
GNH USA supplies No-Spa (Drotaverine Hydrochloride), a antispasmodic for abdominal cramping, menstrual pain and biliary colic. Request a quote for supply.
Request sourcing
What is Drotaverine Hydrochloride?
Drotaverine Hydrochloride, the active ingredient in No-Spa, is an antispasmodic (smooth muscle relaxant) presented as an oral tablet for oral use. It relieves painful smooth‑muscle spasms in the gastrointestinal, biliary, urinary and uterine systems, helping patients with abdominal cramping, dysmenorrhea and related conditions.
GNH USA supplies No-Spa as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, with a focus on quality assurance, regulatory compliance and reliable global logistics. The company maintains stringent manufacturing standards and provides comprehensive documentation for import and distribution.
What is Drotaverine Hydrochloride used for?
Drotaverine Hydrochloride is used to relieve smooth‑muscle spasm in several abdominal and pelvic conditions. - Abdominal cramping: reduction of painful intestinal muscle contractions. - Menstrual pain (dysmenorrhea): alleviation of uterine cramps during menstruation. - Biliary colic: easing of gall‑bladder muscle spasm associated with bile flow obstruction. - Urinary tract spasm: relaxation of bladder neck and ureteral smooth muscle to improve discomfort. - Gastrointestinal smooth‑muscle spasm: relief of spasmodic episodes in the stomach and intestines.
What are the side effects of Drotaverine Hydrochloride?
Drotaverine Hydrochloride may cause a range of adverse reactions, which are classified by frequency and severity.
Common Side Effects: - Nausea: mild stomach upset. - Dizziness: transient light‑headedness. - Dry mouth: reduced salivation. - Headache: mild to moderate pain. - Hypotension: temporary low blood pressure. - Fatigue: feeling of tiredness.
Serious or Rare Side Effects: - Allergic reactions: rash, itching, swelling. - Severe skin reactions: Stevens‑Johnson syndrome or toxic epidermal necrolysis. - Hepatic enzyme elevation: signs of liver irritation. - Cardiac arrhythmia: irregular heartbeat. - Blood disorders: neutropenia or thrombocytopenia.
What precautions apply to Drotaverine Hydrochloride?
When prescribing Drotaverine Hydrochloride, clinicians should consider several safety measures to minimize risk. - Assess renal function: adjust use in severe renal impairment. - Monitor blood pressure: watch for symptomatic hypotension. - Avoid in known hypersensitivity: discontinue if allergic signs appear. - Use caution in pregnancy: safety not established, weigh benefits and risks. - Review concomitant medications: consider additive effects with other antispasmodics. - Store at room temperature: keep in original packaging, protect from moisture and direct sunlight.
What does Drotaverine Hydrochloride interact with?
Drotaverine Hydrochloride can interact with other medicines, altering its efficacy or safety profile.
Major Interactions (Avoid): - Potent CYP3A4 inhibitors: may increase drotaverine plasma concentrations. - Concurrent use with other antispasmodics: risk of excessive smooth‑muscle relaxation. - MAO inhibitors: potential for severe hypotension.
Moderate Interactions (Monitor Closely): - Antihypertensive agents: additive blood‑pressure‑lowering effect. - Alcohol: may enhance dizziness and hypotension. - Antihistamines: possible increase in sedation or drowsiness.



