Compare prices and print coupons for Cialis (Tadalafil (Cialis)) and other drugs at CVS, Walgreens, and other pharmacies. Prices start at $It’s best to check your chosen provider’s site for more information. There are many safe, reliable online services offering ED prescriptions. Never purchase ED medications from a site or service that doesn’t require a prescription and medical documentation. Here are some key factors to consider when deciding: Pricing: Know how much your monthly supply will cost with shipping and tax. An erection results from an increase in blood flow to the penis.A GoodRx coupon can help you save up to 97% off the average retail price of generic cialis, depending on the pharmacy you choose. You can use GoodRx to compare prices at different pharmacies and get the best price in your area. 3. Ask your doctor for a tablet prescription. 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. Cialis: available in doses of 5, 10, and 20 mg, starting at $65 per tablet Daily Cialis: 5 mg tablet with pricing starting from $50 per tablet Tadalafil: 20 mg tablet starting at $2 per.This increase in blood flow results in a firmer, longer-lasting erection. ED medications can cause side effects, and it’s crucial to have access to a medical provider if needed. The starting dose we generally recommend is the 10mg pill. Popular ED medications found online include: Viagra sildenafil : As the first FDA-approved PDE5 inhibitor for ED, sildenafil is taken 30 minutes to four hours before sexual intercourse to help achieve and maintain an erection. Taking generic ED medications is an effective way to save money without sacrificing quality.