tell and medications,a your meds and ask if your heart is healthy enough for sexual activity. do not take cialis if you take nitrates for chest pain, as this may cause an unsafe drop in blood pressure. do not 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 four hours. if you have any sudden decrease or loss in hearing or vision, or if you have any allergic reactions such as rash, hives, swelling of the lips, tongue or throat, or difficulty breathing or swallowing, stop taking cialis and get medical help right away. ask your doctor about cialis for daily use and a 30-tablet free trial. turn to senokot-s tablets. senokot-s has a natural vegetable laxative ingredient plus the comfort of a stool softener for gentle, overnight relief of occasional constipation. go to senokot-s.com for savings. how old is the oldest person you've known? we gave people a sticker and had them show us.