Each mL solution for injection contains:  
Hyoscine-N-butylbromide 20 mg


Hyos® Solution

Prescription Drug


  • For the symptomatic relief of:
    • Gastrointestinal and genitourinary disorders characterized by smooth muscle spasm
    • Spasm and dyskinesia of the biliary system
    • Irritable bowel syndrome (IBS)
  • As an aid to produce smooth muscle relaxation prior to radiological or other diagnostic procedures where spasm may be a problem (e.g., gastroduodenal endoscopy)

Dosage and Administration

Hyoscine-N-butylbromide injection may be administered by slow intravenous (IV), intramuscular (IM) or subcutaneous (SC) injection.

Age Group Recommended Oral Dose
Adults and adolescents > 12 years

20 - 40 mg (1 - 2 ampules) several times a day

  • 5 mg/hour as a continuous infusion has been used for up to 4 days
  • Maximum Dose: 100 mg per day
Infants and children up to 12 years

Severe cases: 0.3 - 0.6 mg per kg body weight several times a day.

Maximum Dose: 1.2 mg/kg body weight per day

  Or, as prescribed by a physician.

For more information on safety, precaution and other information about this product, please see the Product Insert.

Please consult your physician and other healthcare providers before taking any prescription medicines found on this site. The contents found on this page are for information purposes only. It should not be construed as a substitute for professional medical advise and should not be relied upon in that regard. You undertake to carefully read all product packaging and labels prior to use.

Caution: Food, Drugs, Devices and Cosmetics Act prohibits dispensing without prescription.