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People taking nitrate drugs to alleviate chest pain, such as nitroglycerin, or those who take amyl nitrite and butyl nitrite should not use Cialis.
If you're allergic to tadalafil, the active ingredient in Cialis, do not use Cialis. - Common side effects of this medication include headache, indigestion, back pain, muscle aches, flushing, and stuffy or runny nose. The effects, if present, usually pass within a few hours.
- Although infrequent, Cialis may also cause a sore throat, memory problems, diarrhea or an upset stomach. These symptoms usually subside after a few hours.
- Though rare, Cialis in some cases can cause a prolonged erection that lasts for more than four hours, a dangerous and painful medical condition called priapism. If this happens, seek medical treatment at an emergency room immediately to prevent permanent damage.
- In rare cases, men taking Cialis report a sudden loss of vision or hearing. If you have a sudden limiting of sight or loss of vision or hearing, stop taking Cialis and see your doctor immediately.
- It is worth noting that certain HIV, depression, high blood pressure and antibiotic medicines can interact with Cialis. Tell your doctor about all of the drugs you are taking before taking Cialis.
