upset stomach, delayed backache or muscle ache. to avoid long-term injury, get medical help right away for an erection lasting more than four hours. if you have any sudden decrease or loss in hearing or vision or any symptoms of an allergic reaction stop taking cialis and get medical help right away. why pause the moment? ask your doctor about cialis for daily use. for a free 30-tablet trial go to cialis.com fact. when you take advil you get relief right at the site of pain. wherever it is. advil stops pain right where it starts. relief doesn't get any better than this. advil.