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Cialis® safety

Cialis® (tadalafil) treats erectile dysfunction with longer-lasting effect than some alternatives. Review who it's for and who should avoid it, then start your intake.

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Cialis®

tadalafil

As-needed or daily oral tablet

Tadalafil is a PDE5 inhibitor. It relaxes blood vessels and increases blood flow to the penis, helping you get and keep an erection with sexual stimulation.

What it treats

Erectile dysfunction (ED) in adult men
Symptoms of benign prostatic hyperplasia (BPH) in some cases

Who shouldn't take it

Taking nitrates (e.g. nitroglycerin) — the combination can cause a dangerous drop in blood pressure
Taking the pulmonary-hypertension drug riociguat
Recent heart attack, stroke, or life-threatening arrhythmia
Known hypersensitivity to tadalafil

Warnings & precautions

An erection lasting more than 4 hours (priapism) is a medical emergency — seek care
Sudden loss of vision or hearing — stop and get help
Blood-pressure effects when combined with alpha-blockers or other BP medicines
Sexual activity carries some cardiac risk if you have heart disease

Common side effects

Headache
Flushing
Indigestion
Nasal congestion
Back pain or muscle aches

Call your clinician if you notice

An erection lasting more than 4 hours
Sudden vision or hearing loss
Chest pain or fainting

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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. A licensed Forma clinician will review your health history and current medications to determine whether treatment is safe and appropriate for you. Never start, stop, or change a prescription without talking to a healthcare provider. If you think you may have a medical emergency, call 911.