Hyoscine Butylbromide Injectable: Dosing
Injectable hyoscine butylbromide guidance for gastrointestinal and genitourinary spasms, with anticholinergic precautions.
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Source reviewed
November 2024
Guide category
Injectable drugs
Safety boundary
Prescription medicine information for clinician-guided use.
Kenza Health Hub presents this medicine page as structured health education. Check dose, route, interactions, pregnancy or breast-feeding considerations, and local protocol with a qualified clinician or pharmacist. Read our medical editorial policy.
Therapeutic action
Antispasmodic, anticholinergic drug.
Indications
Spasms of the gastrointestinal tract and genitourinary tract.
Forms and strengths, route of administration
- 20 mg in 1 ml ampoule, 20 mg/ml, for IM, SC, or slow IV injection.
Dose
- Adult: 20 to 40 mg to be repeated if necessary, maximum 100 mg daily.
Duration
According to clinical response; no prolonged treatment.
Contra-indications, adverse effects, precautions
Do not exceed recommended doses, especially in children and older patients because of the risk of severe anticholinergic effects.
- Do not administer to patients with benign prostatic hyperplasia, urinary retention, closed-angle glaucoma, or tachycardia.
- May cause urinary retention, dryness of the mouth, constipation, blurred vision, and tachycardia.
- Administer with caution and under close supervision in the event of heart failure, coronary insufficiency, cardiac rhythm disorders, hypertension, and to patients taking other anticholinergic drugs.
- Administer with caution to patients with fever because it may affect thermoregulation.
- Pregnancy: no contra-indication; no prolonged treatment.
- Breast-feeding: no contra-indication; no prolonged treatment.
Source
MSF Essential drugs practical guidelines (January 2026)
This page combines source-derived medicine reference sections with Kenza editorial context, while leaving out the Storage and Remarks sections from the source batch.
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