Cialis

Brand Medication Information

This page provides information for Cialis (tadalafil) 20 mg tablets. Cialis is the brand-name prescription medication indicated for the treatment of erectile dysfunction (ED) in adult men. This information is for educational purposes and does not replace a consultation with a healthcare professional.

Critical Safety Notice

Cialis is a prescription medication. It is not available over-the-counter. You must have a prescription from a licensed healthcare provider who has determined it is safe and appropriate for you based on a medical evaluation. Do not use this medication without a prescription.

Product & Usage Details

• Brand Name: Cialis
• Active Ingredient: Tadalafil
• Dosage Strength: 20 mg per tablet
• Manufacturer: Eli Lilly and Company
• Indication: Treatment of erectile dysfunction (ED) in men.
• Common Dosing: For on-demand use, typically taken at least 30 minutes prior to anticipated sexual activity. The prescribed frequency (e.g., once daily maximum) must be followed.
• Duration of Effect: Tadalafil, the active ingredient in Cialis, can remain effective for up to 36 hours, which is longer than some other ED medications. This does not mean an erection lasts 36 hours.
• Form: Yellow, film-coated, almond-shaped tablet.

Essential Safety Information

• Absolute Contraindication: DO NOT TAKE Cialis with nitrates (e.g., nitroglycerin, isosorbide) or guanylate cyclase stimulators (e.g., riociguat). This combination can cause a sudden, unsafe drop in blood pressure.
• Not For Everyone: Cialis is not for use by women, children, or men for whom sexual activity is inadvisable due to cardiovascular problems.
• Health Conditions: Inform your doctor if you have heart problems, liver or kidney disease, retinitis pigmentosa, or a history of stroke.
• Drug Interactions: Disclose all medications to your doctor, especially alpha-blockers, blood pressure medications, and certain antibiotics or antifungals.
• Potential Side Effects: Common side effects may include headache, upset stomach, back pain, muscle aches, stuffy nose, flushing, and dizziness. A painful erection lasting more than 4 hours (priapism) or sudden vision/hearing loss require immediate medical attention.