Sildenafil is used to treat high pressure in the blood vessels of the lungs (pulmonary hypertension).
Take sildenafil as directed with a glass of water.
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 sildenafil 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 |
---|---|
Prolonged erection (longer than four hours) Changes in vision |
Tell your doctor immediately |
Urinary symptoms |
Tell your doctor |
Headache, dizziness, trouble sleeping Hot flushing Runny or blocked nose, nose bleeds Indigestion Muscle aches and pains, tingling or numbness |
Tell your doctor if troublesome |
Stomach upset |
Take with food |
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. December 2017
For more general information about this sheet and its contents, see: What does a My Medicines sheet cover?
Te Reo Māori information sheets supported by Health Quality and Safety Commission New Zealand
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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