Take sildenafil about 30 to 60 minutes before planned sexual activity, preferably on an empty stomach, and never more than once daily. It is used on an as-needed basis, so there is no fixed duration of use; follow your doctor's guidance. Short-term side effects are usually mild and temporary, such as headaches, facial flushing, indigestion, or a stuffy nose. Long-term use is generally safe, but rare risks include vision changes or a prolonged erection. Always consult your doctor to ensure this medication is safe for you, especially if you have heart conditions or take other medications.
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