Hyoscine is used to treat spasms of the stomach or intestine, particularly those that are associated with irritable bowel syndrome (a long-term disorder of the digestive system that involves a group of symptoms such as abdominal cramps, bloating, constipation, and diarrhoea) and spasms of the bladder and urinary tract (urinary tubes).
It may also be used to prevent nausea and vomiting associated with motion sickness (unpleasant feeling when you're travelling).
Take Hyoscine exactly as directed by your doctor or according to the instructions on the label. Do not take more or less than instructed by your doctor.
You may take this medicine with or without food. Try to take it at the same time each day.
Hyoscine is available as a tablet and oral syrup.
If you are taking the tablet, swallow it whole with a glass of water.
If you are taking the oral syrup, shake the bottle well before you take the medicine to ensure that the liquid is evenly mixed. Use the measuring spoon or cup provided to measure your dose.
The dose of this medicine will be decided by your doctor. Your doctor will advise you on the treatment timeframe depending on your condition and response to the medication.
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and return to your normal dosing schedule.
DO NOT double a dose under any circumstances.
Alert your doctor if you have the following conditions:
- glaucoma (increased pressure in the eye)
- myasthenia gravis (muscle weakness disorder)
- prostate enlargement with inability to completely empty the bladder when urinating
- ileus (a condition where the bowel does not work properly) e.g. paralytic ileus (bowel obstruction caused by slow movement or paralysis of the intestines)
- pyloric stenosis (thickening and narrowing of the stomach outlet)
- megacolon (widening or enlargement of the large intestines)
- bowel blockage
as Hyoscine may not be suitable for you.
Inform your doctor if you have the following conditions:
- heart diseases e.g. heart attack, narrowing of the blood vessels of the heart, high blood pressure, irregular or abnormal heartbeat
- heart failure (weakness and inability of the heart to pump blood)
- undergoing heart surgery
- thyrotoxicosis (excessive thyroid hormones in the blood)
- Down syndrome (genetic disorder associated with physical growth development delays and intellectual disability)
- history of epilepsy (fits or seizures)
- history of mood disorders or mental illness
- suspected or history of increased pressure in the eye
- hiatal hernia (a condition when part of the stomach extends through the diaphragm)
- ulcerative colitis (a disease that causes inflammation and sores in the linings of the large intestine and rectum)
- diarrhoea
- bowel or urinary tract obstruction
- liver disease
- kidney disease
Let your doctor know if you are pregnant or breastfeeding.
Be sure to check with your doctor or pharmacist before giving Hyoscine to a child or the elderly. Children and elderly people may be more sensitive to the side effects.
Why is it important to keep my appointments with the doctor?
Keep your appointments with your doctor. Your doctor needs to monitor your condition and check your response to the medication regularly.
- Your heart rate may rise or fall to unsafe levels without you noticing it. Monitor your heart rate regularly during treatment.
- Regular monitoring of body temperature, skin reactions, unusual changes in mood or behaviour, abdominal pain that does not go away or becomes worse, and changes in vision may also be needed.
Hyoscine may cause drowsiness, dizziness, or blurred vision. If affected, do not drive or take part in any activity in which you need to be alert or need to see clearly.
This medicine reduces the ability of your body to sweat. Avoid exposure to excessive sunlight or exercise which may cause your body to overheat as you are not able to sweat. Increase your fluid intake and stay in a cool environment.
Other side effects include any of the following: headache, nausea, vomiting, thirst, dry mouth, difficulty in swallowing, constipation, dry skin, flushing, tiredness, sleepiness, and inability to completely empty the bladder when urinating.
Some side effects may need immediate medical help. Alert your doctor quickly if you experience any of the following:
- rashes, breathlessness, swelling of the face, eyes or mouth
- confusion, agitation, disorientation, hallucinations (seeing, hearing or feeling things that are not existent), memory loss, difficulty speaking due to weakness of the muscles used for speech
- fits or seizures
- slow heartbeat followed by rapid, irregular, or abnormal heartbeat
Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Inform your doctor and pharmacist if you are taking any of these medicines:
- medicines to treat depression e.g. doxepin
- medicines for mood disorders e.g. haloperidol, fluphenazine
- medicines for chronic obstructive pulmonary disease (a long-term lung disease that causes airflow obstruction making it hard to breathe) e.g. ipratropium, tiotropium
- medicines that cause drowsiness or affect your concentration
- medicines for anxiety
- medicines for cold or allergy
- medicines for irregular heartbeat e.g. quinidine, disopyramide
- strong painkillers
- muscle relaxants
- amantadine (medicine for Parkinson's disease [disorder that affects the movement of a person, causing symptoms such as tremors, muscle stiffness, slowed movement and impaired balance or walking])
- medicines for nausea or vomiting e.g. metoclopramide, domperidone, meclozine
This list does not include all medicines that may interact with Hyoscine.
Always notify your doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements, and medicines that you buy without a prescription.
Avoid alcohol. Alcohol intake may worsen the dizziness and drowsiness caused by Hyoscine.
Store in a cool, dry place away from the reach of children.
Medicines must not be used past the expiry date.
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