Sildenafil is used to treat high blood pressure in the blood vessels in the lungs (pulmonary arterial hypertension). Sildenafil works by relaxing and widening the blood vessels in the lungs, and ultimately lowering the pressure in the lungs.
This should improve your symptoms such as breathlessness, and increase your ability to exercise. This medication has to be taken on a daily basis.
This medication may also be used for other conditions. Check with your healthcare professional if you are unsure why you are given this medication.
Priapism (an erection that will not go away) - If you have an erection that lasts more than 4 hours, get medical help right away. If it is not treated right away, priapism can permanently damage your penis.
Sudden vision loss in one or both eyes - Sudden vision loss in one or both eyes can be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy (NAION).
Sudden hearing decrease or hearing loss - Some people may also have ringing in their ears (tinnitus) or dizziness.
The symptoms of a drug allergy include one or more of the following:
If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.
Inform your healthcare professional if:
Tell your doctor if you are taking any of these medicines which are often given for relief of angina (chest pain). If you are not certain, ask your healthcare professional.
Female patients of childbearing age should take precautions to avoid pregnancy by seeking advice from gynaecologist for effective contraceptive methods. If you suspect you may be pregnant, inform your cardiologist as soon as possible.
Avoid taking grapefruit,or grapefruit juice as they may interact with your medication and increase the risk of side-effects.
Inform your healthcare professional if you are taking or intend to take any other medication, supplements, traditional medications or herbal remedies.
This includes certain medications such as:
Pack this medication into a black trash bag and seal it tightly before throwing into the rubbish chute or bin.
Subscribe to our mailing list to get the updates to your email inbox...
5 Second Hospital Avenue, Singapore 168938 +65 6324 8802