Use only the brand of this medicine that your doctor prescribed. If you have any questions, our team is here to help. Your doctor may adjust your dose as needed. Do not eat grapefruit or drink grapefruit juice while you are using this medicine. Ethanol Other Medical Problems The presence of other medical problems may affect the use of this medicine. If you will be taking this medicine for pulmonary arterial hypertension, it is very important that your doctor check your progress at regular visits.FedEx® Priority Overnight — you’ll receive your order the next day, Monday to Saturday (if ordered before pm). What does delivery cost? Delivery ranges from $ for USPS® First Class to $ for FedEx® Priority Overnight. Which states do you deliver to? Our services are available in the following states: Alabama, Alaska, Arizona. Compare prices and print coupons for Tadalafil (Cialis) (Generic Cialis) and other drugs at CVS, Walgreens, and other pharmacies. Prices start at $Missing: ziphealth. Tadalafil (Cialis) is a phosphodiesterase-5 enzyme (PDE-5) inhibitor. It works by blocking PDE This is a protein in your body that breaks down the molecules that Missing: ziphealth.