Europe — EMA
No-Spa (Drotaverine Hydrochloride)
GNH USA supplies No-Spa (Drotaverine Hydrochloride), a phosphodiesterase‑4 inhibitor for smooth muscle spasm, abdominal pain and biliary colic.
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What is Drotaverine Hydrochloride?
Drotaverine Hydrochloride, the active ingredient in No-Spa, is a phosphodiesterase-4 inhibitor presented as an injectable solution for intramuscular and intravenous use. It relieves smooth‑muscle spasm and associated pain in adult patients.
GNH USA supplies No-Spa as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.
What is Drotaverine Hydrochloride used for?
Drotaverine Hydrochloride is an antispasmodic used to manage conditions involving smooth‑muscle contraction.
- Smooth muscle spasm: provides rapid relief of involuntary muscle contraction. - Abdominal pain: reduces pain linked to gastrointestinal spasm. - Biliary colic: alleviates pain caused by gallbladder muscle contraction. - Menstrual cramps: eases dysmenorrhea by relaxing uterine smooth muscle.
What are the side effects of Drotaverine Hydrochloride?
Adverse reactions may occur with any pharmacologic agent and should be monitored by the prescribing clinician.
Common Side Effects: - Dizziness - Nausea - Headache - Flushing
Serious or Rare Side Effects: - Anaphylactic reaction - Severe hypotension - Hepatic enzyme elevation
What precautions apply to Drotaverine Hydrochloride?
Before initiating therapy, clinicians should evaluate patient‑specific factors and monitor for potential complications.
- Pregnancy: safety not established; use only if clearly needed. - Breastfeeding: unknown; weigh benefits against potential risks. - Renal impairment: consider dose adjustment and monitor renal function. - Cardiovascular disease: caution due to vasodilatory properties. - Drug interactions: review concomitant medications for possible interactions. - Store below 25°C: keep in original container, protect from light and moisture.
What does Drotaverine Hydrochloride interact with?
Drotaverine may interact with other medicines that affect vascular tone or metabolism.
Major Interactions (Avoid): - Co‑administration with other potent vasodilators: risk of severe hypotension. - Combination with anticholinergic agents: may diminish antispasmodic efficacy.
Moderate Interactions (Monitor Closely): - Non‑steroidal anti‑inflammatory drugs (NSAIDs): may increase gastrointestinal irritation. - Antihistamines: may enhance sedative effects. - Beta‑blockers: may potentiate hypotensive response.



