Cialis Directions

Take one Cialis tablet by mouth before sexual activity. In some patients, the ability to have sexual activity was improved at 30 minutes after taking Cialis. The ability to have sexual activity was improved up to 36 hours after taking Cialis. You and your doctor should consider this in deciding when you should take Cialis prior to sexual activity. Some form of sexual stimulation is needed for an erection to happen. Cialis may be taken with or without meals.

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Side Effects

The most common side effects with Cialis are headache, indigestion, back pain, muscle aches, flushing, and stuffy or runny nose. These side effects usually go away after a few hours. Patients who get back pain and muscle aches usually get it 12 to 24 hours after taking Cialis. Back pain and muscle aches usually go away by themselves within 48 hours. Call your doctor if you get a side effect that bothers you or one that will not go away.

Precautions

Before taking Cialis, tell your doctor about all your medical problems, including if you have heart problems such as angina, heart failure, irregular heartbeats, or have had a heart attack; have low blood pressure or have high blood pressure that is not controlled; have had a stroke; have liver problems; have kidney problems or require dialysis; have retinitis pigmentosa, a rare genetic (runs in families) eye disease; have stomach ulcers; have a bleeding problem; have a deformed penis shape or Peyronie's disease; have had an erection that lasted more than 4 hours or have blood cell problems such as sickle cell anemia, multiple myeloma, or leukemia.

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