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Tadalafil, the active ingredient in Cialis, is a phosphodiesterase-5 (PDE5) inhibitor that stays in the body longer than other ED medications. One 5 mg tablet may be effective for 24 to 36 hours, providing men with all-day performance readiness. Because of this, men can take Cialis many hours before engaging in intercourse.

Cialis has comfortably the longest effectiveness period of any erectile dysfunction drug on the market. If you experience any of these side effects, seek medical attention immediately. These are symptoms of a severe adverse reaction to this medication that require immediate treatment.

If this dose is highly effective, subsequent doses could be reduced to 5mg on a trial basis. If repeated trials of a 10mg dose prove ineffective, the dose can be increased to 20mg. Cialis® is not definitively linked to these side effects, which have only been reported in rare cases and could potentially result from other medications or health conditions as well. If you experience any of the above, consult a healthcare provider immediately. Viagra® (generically known as&nbsp