You take one 2. 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. An inherited eye disease that affects the retina. Avoid drinking alcohol. If you are taking tadalafil for erectile dysfunction on a regular schedule, take the missed dose as soon as you remember it. Cialis tadalafil : This ED medication works with the same principle as Viagra, but lasts up to 36 hours.AdSearch Free Coupons for your Prescription. Risk Free, No Sign-Up. Instantly Download Now! Find the Lowest Price for Your Local Pharmacy. Compare Multiple Offers e: Discount cards, Bonus savings, Browse prescriptions, Drug classe. Published on October 18, warning This article is no longer being updated and some information may not be current. Visit the GoodRx Healthhomepage for our latest articles. . Tadalafil (Cialis) is used to treat erectile dysfunction (ED, impotence; inability to get or keep an erection), and the symptoms of benign prostatic hyperplasia (BPH; an enlarged prostate) which include difficulty urinating (hesitation, dribbling, weak stream, and incomplete bladder emptying), painful urination, and urinary frequency and urgency in adult men.
