To prevent stomach problems, have a small meal before or after you take Cialis. Do not drink grapefruit juice if you’re taking tadalafil for pulmonary hypertension. The decision of availability is completely up to the company marketing the product. Read more on male sexual health on the Sexual Health Australia site. These medicines are called PDE5 inhibitors. The four main medicines taken by mouth for erectile dysfunction are: Avanafil Stendra. · Cialis (tadalafil) is prescribed to treat erectile dysfunction and symptoms of benign prostatic hyperplasia. It comes as a tablet that’s taken as needed or once per day, depending on the. Take as prescribed. Take Cialis exactly as prescribed by your doctor. Don’t take extra doses or change your dosing schedule without talking with your doctor to avoid side effects. CIALIS is not right for test1.ru your healthcare provider and you can decide if CIALIS is right for test1.ru taking CIALIS, tell your healthcare provider about all your medical problems, including if you: prescribe the dose that is right for you. • Some men can only take a low dose of CIALIS or may have to take it less often.