Europe — EMA
No-Spa (Drotaverine Hydrochloride)
GNH USA supplies No‑Spa (Drotaverine Hydrochloride), a phosphodiesterase‑4 inhibitor for abdominal cramps, urogenital colic and smooth muscle spasm.
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What is Drotaverine Hydrochloride?
Drotaverine Hydrochloride, the active ingredient in No‑Spa, is a phosphodiesterase‑4 inhibitor presented as an oral tablet for systemic use. It relaxes smooth muscle to alleviate abdominal cramps, urogenital colic and other spasm‑related discomforts and related conditions in adults and improves patient comfort.
GNH USA supplies No‑Spa as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, ensuring consistent quality, regulatory compliance and reliable logistics across EU and global markets, through certified manufacturing processes and robust supply chain management.
What is Drotaverine Hydrochloride used for?
Drotaverine Hydrochloride is used to relieve smooth‑muscle spasm in several gastrointestinal and urogenital conditions.
Abdominal cramps: reduction of painful intestinal spasms and associated discomfort. Urogenital colic: alleviation of spasm‑related pain in the urinary and reproductive tracts. Smooth muscle spasm: general relaxation of involuntary muscle contractions in various organ systems.
What are the side effects of Drotaverine Hydrochloride?
Drotaverine Hydrochloride may cause a range of adverse reactions, most of which are mild and reversible.
Common Side Effects: - Nausea: mild stomach upset. - Dizziness: transient light‑headedness. - Dry mouth: reduced salivation. - Headache: mild to moderate intensity. - Blurred vision: temporary visual disturbance. - Palpitations: awareness of heartbeat.
Serious or Rare Side Effects: - Allergic reaction: rash, itching, swelling, or anaphylaxis. - Severe hypotension: marked drop in blood pressure causing faintness. - Hepatic dysfunction: elevated liver enzymes or jaundice. - Blood dyscrasias: neutropenia, thrombocytopenia or other hematologic abnormalities.
What precautions apply to Drotaverine Hydrochloride?
When prescribing Drotaverine Hydrochloride, clinicians should consider several safety aspects to minimize risk.
- Pregnancy: safety not established; avoid unless clearly needed. - Breastfeeding: unknown excretion; use with caution. - Renal impairment: dose adjustment may be required. - Elderly: monitor for hypotension and dizziness. - Concomitant medications: review for potential interactions. - Store at ambient temperature: keep in original packaging, protect from moisture and direct sunlight.
What does Drotaverine Hydrochloride interact with?
Drotaverine Hydrochloride can interact with other medicines; awareness of major and moderate interactions helps ensure safe use.
Major Interactions (Avoid): - Other phosphodiesterase inhibitors: additive smooth‑muscle relaxation may cause severe hypotension. - Strong CYP3A4 inhibitors (e.g., ketoconazole, itraconazole): may increase drotaverine plasma levels.
Moderate Interactions (Monitor Closely): - Antihypertensives: enhanced blood‑pressure‑lowering effect. - Anticholinergic agents: potential additive antispasmodic effect. - Diuretics: risk of electrolyte imbalance and hypotension.



