WebOct 12, · Cialis is a prescription medication containing the active ingredient tadalafil. Cialis belongs to a group of medications known as phosphodiesterase-5 (PDE-5) .Storage Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Do not split, break, chew, or crush it. Grapefruit may interact with tadalafil and lead to unwanted side effects. Without physical action to the penis, such as that occurring during sexual intercourse, tadalafil will not work to cause an erection. Tadalafil works for these conditions by promoting muscle relaxation, which improves blood flow in PAH and urinary flow in BPH. Blood and urine tests may be needed to check for unwanted effects. For this purpose, one dose works for up to 72 hours.WebSep 1, · Cialis Descriptions Tadalafil is used to treat men who have erectile dysfunction (also called sexual impotence). Tadalafil belongs to a group of medicines . WebNov 30, · Generic Cialis is called tadalafil, which is the active ingredient in Cialis. Cialis is Food and Drug Administration (FDA) approved to treat erectile dysfunction (ED) and benign prostatic. WebCialis (tadalafil) is an erectile dysfunction medicine used to treat impotence (the inability to attain or maintain a penile erection) and benign prostatic hyperplasia (BPH). Common side effects of Cialis include facial flushing, headaches, stomach upset, diarrhea, flu-like symptoms, and nausea. Cialis should be used cautiously in patients with bleeding .What Is Cialis? Common side effects may include: headache; flushing warmth, redness, or tingly feeling ; nausea, upset stomach; runny or stuffy nose; or muscle pain, back pain, pain in your arms, legs, or back. Society and culture[ edit ] Marketing[ edit ] Cialis 5mg UK pack of 28 tablets In the United States, the FDA relaxed rules on prescription drug marketing in , allowing advertisements targeted directly to consumers. Side Effects What are the side effects of Cialis Tadalafil? Ask your doctor about any risk. Do not drink excessive amounts of alcohol eg, 5 or more glasses of wine or 5 or more shots of whiskey when taking tadalafil.