One advantage Cialis has over Viagra and Levitra is its Subsequently, the FDA approved both vardenafil [27] and tadalafil in What alternatives can I use for erectile dysfunction? This type is best if you do not plan to have sex regularly, but want to have the medication on hand. There are many other treatments for erectile dysfunction. A small number of patients taking Cialis also reported abnormal vision.Tadalafil (Cialis) is taken by mouth either as needed before sexual activity or once daily for erectile dysfunction (ED).It’s also taken once daily to treat symptoms from an enlarged prostate (benign prostatic hyperplasia, or BPH).Tadalafil (Cialis) is available both as brand-name and generic tablets. Common side effects of this medication include . Cialis lasts up to 36 hours in the body, while Viagra lasts 4–6 hours in the body. Both are taken 30 minutes before sex. Cialis can cause limb pain, while Viagra can cause vision change, rash. ¿Cuánto cuesta Cialis sin seguro médico? El costo promedio de Cialis es de $ por cada 30 Tablet de 5MG, pero puedes usar los cupones de SingleCare para ahorrar en .