![]() ![]() Since high blood pressure in the lungs is a serious condition that can harm both a pregnant woman and her unborn baby, do not stop this medication unless directed by your doctor. ![]() Talk to your doctor if you are using marijuana (cannabis).īefore having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).ĭuring pregnancy, sildenafil should be used only when clearly needed. Do not drive, use machinery, or do anything that needs alertness or clear vision until you can do it safely. Alcohol or marijuana ( cannabis) can make you more dizzy. This drug may make you dizzy or cause vision problems. Talk to your pharmacist for more details.īefore using this medication, tell your doctor or pharmacist your medical history, especially of: heart problems (such as heart attack or life-threatening irregular heartbeat in the past 6 months, chest pain/ angina, heart failure), stroke in the past 6 months, kidney disease, liver disease, high or low blood pressure, dehydration, penis conditions (such as angulation, fibrosis/scarring, Peyronie's disease), history of painful/prolonged erection ( priapism), conditions that may increase the risk of priapism (such as sickle cell anemia, leukemia, multiple myeloma), eye problems (such as retinitis pigmentosa, sudden decreased vision, NAION). This product may contain inactive ingredients, which can cause allergic reactions or other problems. You may report side effects to Health Canada at 1-86.īefore taking sildenafil, tell your doctor or pharmacist if you are allergic to it or if you have any other allergies. You may report side effects to FDA at 1-80 or at In Canada - Call your doctor for medical advice about side effects. In the US - Call your doctor for medical advice about side effects. If you notice other effects not listed above, contact your doctor or pharmacist. This is not a complete list of possible side effects. ![]() However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/ tongue/throat), severe dizziness, trouble breathing. In the rare event you have a painful or prolonged erection lasting 4 or more hours, stop using this drug and get medical help right away, or permanent problems could occur.Ī very serious allergic reaction to this drug is rare. ![]() Stop taking sildenafil and get medical help right away if these effects occur. Rarely, a sudden decrease or loss of hearing, sometimes with ringing in the ears and dizziness, may occur. You have a slightly greater chance of developing NAION if you have heart disease, diabetes, high cholesterol, certain other eye problems ("crowded disk"), high blood pressure, if you are over 50, or if you smoke. If this serious problem occurs, stop taking sildenafil and get medical help right away. Rarely, sudden decreased vision, including permanent blindness, in one or both eyes (NAION) may occur. If you have heart problems and experience any of these serious side effects while having sex, stop and get medical help right away: severe dizziness, fainting, chest/jaw/left arm pain, nausea. Sexual activity may put extra strain on your heart, especially if you have heart problems. Many people using this medication do not have serious side effects. Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. To reduce the risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position. If any of these effects last or get worse, tell your doctor or pharmacist promptly. Vision changes such as increased sensitivity to light, blurred vision, or trouble telling blue and green colors apart may also occur. Dizziness, headache, flushing, or stomach upset may occur. ![]()
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