Talk to your doctor about which dosing schedule is right for you. Your doctor will probably tell you not to take tadalafil if you are taking street drugs containing nitrates. Follow-up support: Make sure you can get the help you need if questions or concerns arise after ordering. If you ever need emergency medical treatment for a heart problem, the health care providers who treat you will need to know when you last took tadalafil. This product is available in the following dosage forms: Suspension Tablet There is a problem with information submitted for this request. Use is not recommended; no clinical data exists in patients with PVOD. If you are taking tadalafil for erectile dysfunction, your doctor will probably start you on an average dose of tadalafil and increase or decrease your dose depending on your response to the medication.A generic version of Cialis ® (Eli Lilly) tadalafil tablets ( mg, 5 mg, 10 mg, 20 mg) for the United States market has been annouced by Teva Pharmaceuticals, in a first-to-file launch.. Tadalafil tablets are a phosphodiesterase 5 (PDE5) inhibitor indicated for the treatment of erectile dysfunction (ED), the signs and symptoms of benign prostatic . Cialis (tadalafil), for instance, is one of the most popular brand-name ED medications, and it is manufactured by Eli Lilly. Cialis can cost around $ to $ per month out of pocket, depending on the dosage you need. The first generic version of Cialis was released in October , and other manufacturers have released generic versions . 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.