However, others work on a cash-pay basis and don’t partner with insurance companies. Can I take Cialis daily? ED occurs more frequently in older men. Potential Side Effects and Interactions While Cialis is generally safe, like all medications, it can have side effects. Information Access: Online pharmacies often provide detailed information about the drug, including its uses, side effects, and contraindications. The FDA has also approved tadalafil for treatment of both benign prostatic hypertrophy and erectile dysfunction where the two conditions co-exist. This allows the smooth muscles in the penis to relax and fill with blood.Generic Viagra – $ · Cialis Daily – $ · Tadalafil – $ 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. Tadalafil is a generic version of the prescription drug Cialis. Doctors prescribe it to treat erectile dysfunction and benign prostatic hyperplasia. It helps relieve erectile dysfunction by.