NettetIf you have these symptoms, stop taking VIAGRA and contact a doctor right away. have or have had heart problems such as a heart attack, irregular heartbeat, angina, chest pain, narrowing of the aortic valve, or heart failure. have low blood pressure, or high blood pressure that is not controlled. Nettet1. apr. 2024 · This medicine can cause serious side effects in patients with heart problems. If you experience a prolonged or painful erection for 4 hours or more, contact your doctor immediately. This condition may require prompt medical treatment to prevent serious and permanent damage to your penis.
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Nettet12. sep. 2024 · In most cases, Viagra works within 1 hour after you take a dose. But if you take your dose on an empty stomach, the drug may work faster. Taking Viagra with a … Nettet26. mai 2024 · Sildenafil (Viagra brand) only works following sexual stimulation. It works within 30 to 60 minutes, but may be taken up to four hours before sexual activity. … synergia apotheek
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