Diltiazem is used to treat high blood pressure, angina and sometimes other conditions. It relaxes blood vessels and reduces the workload of the heart.
Take diltiazem regularly as directed with a glass of water.
Swallow the slow release capsules whole.
Take the missed dose as soon as possible. If it is close to the time for your next dose, skip the missed dose and carry on as normal. Do not take two doses at the same time.
Some medicines available without a prescription may react with diltiazem including:
Tell your pharmacist or doctor about all medicines or treatments that you may be taking, including vitamins, herbal products (e.g. St John's wort) or recreational drugs.
|Side Effects||Recommended action|
Swollen feet or legs, short of breath
Change in heartbeat
Enlarged, tender or bleeding gums
|Tell your doctor|
Skin rash, itching, flushing
Headache, dizziness, tiredness or weakness
Muscle pain or cramps
|Tell your doctor if troublesome|
If you notice any other effects, discuss them with your doctor or pharmacist.
This leaflet contains important, but not all, information about this medicine.
Prepared by the PILs Committee at Christchurch Hospital, Canterbury District Health Board, New Zealand. September 2019
For more general information about this sheet annd its contents, see: What does a My Medicines sheet cover?
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My Medicines Patient Information Leaflets (PILs) contain important, but not all, information about the medicines they describe.
For more information about the sheets, see: What does a My Medicines sheet cover?
My Medicines is developed by a team at the Canterbury District Health Board. Our team is made up of doctors, pharmacists, and a non-medical person to help us keep to plain language. We also discuss our information with specialist health professionals or groups when needed