To provide you with the most relevant and helpful information, and understand which information is beneficial, we may combine your email and site usage information with other information we have about you. These medicines prevent an enzyme called phosphodiesterase type-5 from working too quickly. Use protective measures and ask your doctor if you have any questions about this. Cialis will be available as oral tablets in 5mg, 10mg and 20mg strengths. Sexual activity may be a strain on your heart, especially if you have heart disease. Resources and support See the Healthy Male site for more information about erectile dysfunction and its treatment. This product is available in the following dosage forms: Suspension Tablet There is a problem with information submitted for this request. · Cialis (tadalafil) is a prescription tablet used for erectile dysfunction and benign prostatic hyperplasia. Tell them about all prescription, over-the-counter, and other drugs you take. Also. headache. indigestion. back pain. muscle pain. flushing. stuffy nose. Patients who get back pain and muscle aches usually get them 12 to 24 hours after taking Cialis and these usually go away by. Tadalafil is a medicine used to treat erectile dysfunction (ED, also called impotence) and problems with urination caused by an enlarged prostate (benign prostatic hypertrophy or BPH). It is sometimes known by its generic name tadalafil, and sometimes known by its trade name, Cialis. There are also other brands of this medicine available.