Do not take Viagra

If you are taking any medicines containing nitrates, or nitric oxide donors such as amyl nitrite (poppers). These medicines are often given for relief of angina pectoris (or chest pain). Viagra can cause a serious increase in the effects of these medicines. Consult your doctor if you are taking any of these medicines or talk to your pharmacist.

If you have had any allergic reaction to Viagra or any of the above listed ingredients? This can take the form of a rash, itching, swollen lips or face, shortness of breath. You must tell your doctor if this has happened to you.

• If you have a severe heart or liver problem.
• If you have low blood pressure, or have recently had a stroke or heart attack.
• If you have certain rare inherited eye disease, such as retinitis pigmentosa.

Take Care using Viagra

Please tell your doctor if you have suffered or are suffering from sickle cell anaemia, leukaemia, multiple myeloma (cancer of the bone marrow), or any disease or deformity of your penis. These conditions can require special care when taking treatment for erectile dysfunction. Additionally your doctor should, if you have ever had any problems with your heart, check to see if your heart can take the additional strain of having sex.

You should not take Viagra with any other treatment for erectile dysfunction. Viagra should not be given to persons under the age of 18 years. Patients over the age of 65 years will have to be given special consideration. If you fall into this category, your first dose of Viagra will be adjusted. Your doctor may decide that your dose of Viagra should be different if you suffer from liver or kidney problems. In some cases, Viagra can cause dizziness and effects on the vision. You should be aware of this before you drive or operate machinery.

Please advise your doctor or pharmacist if you are, or have recently taken medicines, even if not prescribed. Viagra may interfere with some medicines, especially those used to treat chest pain. In the event that you are involved in a medical emergency, you should tell anyone treating you that you have taken Viagra. Do not take Viagra with any other medicines unless cleared by your doctor. Your doctor will advise you of a suitable dose of Viagra to take if you are being prescribed protease inhibitors, for instance in the treatment of HIV.