Questran

Side effects

Medicines and their possible side effects can affect individual people in different ways. The following are some of the side effects that are known to be associated with this medicine. Because a side effect is stated here, it does not mean that all people using this medicine will experience that or any side effect.

- Diarrhoea
- Bowel obstruction
- Low levels of folate in the blood. Folic acid supplements may be required
- Increased tendency to bleed due to vitamin K deficiency
- High levels of chloride in the blood resulting in high acid levels (hyperchloraemic acidosis)
- Constipation

The side effects listed above may not include all of the side effects reported by the drug's manufacturer. For more information about any other possible risks associated with this medicine, please read the information provided with the medicine or consult your doctor or pharmacist.

How can this medicine affect other medicines?

Tell your doctor what medicines you are taking, including those bought without a prescription and herbal medicines, before you start treatment with this medicine. Likewise, always check with your doctor or pharmacist before taking any new medicines during treatment with this one. This medicine can interfere with the absorption of other medicines from the gut if they are taken at the same time. To avoid this, any other medicines should be taken at least 1 hour before or 4 to 6 hours after taking colestyramine. If you are taking any of the following medicines your treatment should be monitored, as colestyramine may alter the effects of these medicines, even if the above advice regarding timing of doses is followed: - antibiotics, eg tetracycline - cardiac glycosides, eg digoxin - diuretics, eg hydrochlorothiazide - thyroid hormones, eg thyroxine - anticoagulants, eg warfarin.

Other medicines containing the same active ingredients

Colestyramine

Questran Light

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