What are the possible side effects of CIALIS?
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. CIALIS may uncommonly cause: An erection that won’t go away (priapism). If you get an erection that lasts more than 4 hours, get medical help right away. Priapism must be treated as soon as possible or lasting damage can happen to your penis including the inability to have erections. Seek medical attention at a local health center immediately if this occurs. Vision changes, such as seeing a blue tinge to objects or having difficulty telling the difference between the colors blue and green. These are not all the side effects of CIALIS. For more informati
