Hyoscine butylbromide is available on prescription. You can also buy it from a pharmacy, without a prescription, to relieve the symptoms of irritable bowel syndrome, providing your symptoms have previously been diagnosed by a doctor.
There is also a medicine called hyoscine which is taken to prevent travel sickness. There is more information about this in a separate medicine leaflet called Hyoscine for travel sickness.
Injection: The usual dose of Hyoscine Injection is 10 mg to 20 mg given by intramuscular (into a muscle), intravenous (into a vein), or subcutaneous (under the skin) injection. The maximum daily dose is 100 mg.
Swallow the tablets whole with a glass of water. Do not crush or chew the tablets.
It is important to use this medication exactly as prescribed by your doctor. If you miss a dose, skip the missed dose and continue with your regular dosing schedule. Do not use a double dose to make up for a missed one. If you are not sure what to do after missing a dose, contact your doctor or pharmacist for advice.
- If you are pregnant or breast-feeding.
- If you have prostate problems.
- If you have any other digestive system problems, such as reflux disease, diarrhoea, ulcerative colitis, or severe constipation.
- If you have high blood pressure, or if you have recently had a heart attack.
- If you have glaucoma. This is a condition where the pressure in your eyes is raised.
- If you have been told by a doctor that you have a fast heart rate.
- If you have Down’s syndrome.
- If you are less than 12 years old or over 65 years old.
- If you have been told you have nerve damage, a condition called autonomic neuropathy.
- If you have a condition that causes muscle weakness, called myasthenia gravis.
- If you are taking any other medicines. This includes any medicines you are taking which are available to buy without a prescription, as well as herbal and complementary medicines.
- If you have ever had an allergic reaction to a medicine.