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It may also cause priapism, an erection lasting longer than 4 hours, damaging the penile tissue. An urgent medical evaluation is needed to prevent long-term damage if this occurs. Consumers should not use products that match one or more of the descriptions above.

If you’re sexually active and you or your partner can become pregnant, talk with your doctor about your birth control needs while you’re using Cialis. Cialis is broken down in your liver by an enzyme called CYP3A4. Certain drugs may induce (increase the activity of) CYP3A4, making it work better or faster than usual. This means that your body may break down Cialis more quickly than it should, so the drug may not work as well as it should. Below is a list of medications that can interact with Cialis.

Keep this medication in the container it came in, tightly closed, and out of reach of children. Store the tablets at room temperature and away from excess heat and moisture (not in the bathroom). Store the suspension at room temperature or in a refrigerator, but do not freeze it. If you are taking sildenafil for erectile dysfunction, you are unlikely to miss a dose since this medication is taken as needed, not on a regular dosing schedule. This medication is sometimes prescribed for other uses