Important Safety Information for Tadalafil

Tadalafil side effects

Get emergency medical help if you have signs of an allergic reaction to tadalafil: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop and get medical help at once if you have nausea, chest pain, or dizziness during sex. You could be having a life-threatening side effect.

Stop using tadalafil and call your doctor at once if you have:

  • a light-headed feeling, like you might pass out;

  • an erection is painful or lasts longer than 4 hours (prolonged erection can damage the penis);

  • vision changes or sudden vision loss;

  • ringing in your ears or sudden hearing loss; or

  • heart attack symptoms - chest pain or pressure, pain spreading to your jaw or shoulder, nausea, sweating.

Common tadalafil side effects may include:

  • headache;

  • flushing (warmth, redness, or tingly feeling);

  • nausea, upset stomach;

  • stuffy nose; or

  • muscle pain, back pain, pain in your arms, legs, or back.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Tadalafil side effects (more detail)