Those who don’t feel comfortable discussing ED with an in-person provider or lack time to visit a doctor’s office may find online ED prescriptions beneficial. Cialis is the brand-name drug for the generic Tadalafil. Erectile dysfunction medications require a prescription from a licensed provider. Taking generic ED medications is an effective way to save money without sacrificing quality. ED medications can cause side effects, and it’s crucial to have access to a medical provider if needed. Common side effects include headache, facial flushing, indigestion, and dizziness. While each PDE5 inhibitor differs slightly, they’re very similar in treating erectile dysfunction.Never change dosage before consulting a healthcare professional. Cialis for Use as Needed. Can be taken with or without food. Recommended starting dose is . Get Cialis and Tadalafil pill online. Try the generic Cialis option for a fraction of the cost, after speaking with one of our online medical professionals. tadalafil. erectile dysfunction (ED) benign prostatic hyperplasia, or BPH). Tadalafil (Cialis) is available both as brand-name and generic tablets. Common side .