for sexual activity. >> don't take cialis if you take nitrates for chest pain, as this may cause an unsafe drop in blood pressure. >> don't drink alcohol in excess with cialis. side effects may include headache, upset stomach, delayed backache, or muscle ache. to avoid long-term injury, seek immediate medical help for an erection lasting more than 4 hours. >> if you have any sudden decrease or loss in hearing or vision, stop taking cialis and call your doctor right away. >> 36-hour cialis or cialis for daily use. ask your doctor if cialis is right for you. you can be ready for your moment with cialis. mom, can i have the fish? speaking of, what's on friday's menu? friday is fish day. well, maybe it should be tuna helper day. mmmm... fish delish, yes? i'll take it. sold! tuna helper. one tasty meal.