You can see an in-person provider or speak with a doctor virtually. It’s available in 50 mg, mg, and mg tablets. Do I need a prescription for Tadalafil? We prescribe 3 different doses: 5mg, 10mg and 20mg. These PDE5 inhibitors may cause headache, flushing, drop in blood pressure, or other adverse effects.tadalafil Used for Benign Prostatic Hyperplasia, Erectile Dysfunction erectile dysfunction (ED) benign prostatic hyperplasia, or BPH). Tadalafil (Cialis) is available . Best Low Cost: GoodRx Fastest Delivery: Blink Health: Sesame Sign Up Now Key Specs Cost: Consultation prices vary based on the prescriber; $5 generic . Note: Some pharmacies do not allow the savings card to be used for opioid drugs. How much does tadalafil or cialis cost near you? Find the best tadalafil or cialis prices near .