It comes as tablets. Your doctor may need to change the doses of your medications or monitor you carefully for side effects. In , the Phase 2 clinical studies were initiated for males experiencing ED, then progressed to the Phase 3 trials that supported the drug’s FDA approval. We also looked at additional services, such as access to digital pharmacies and home delivery options. You can buy it from a store-based pharmacy or reputable online pharmacy with a prescription. · All we do is pharmacy, so we’re % focused on getting your medications to you safely, quickly, and accurately. Get medications delivered right to your door in days. Enjoy free standard shipping and automatic refills. Talk to specially trained pharmacists, 24/7. Plus, you could save up to 33% on your prescriptions as compared to retail. headache. indigestion. back pain. muscle pain. flushing. stuffy nose. Patients who get back pain and muscle aches usually get them 12 to 24 hours after taking Cialis and these usually go away by. About tadalafil Brand names: Cialis, Adcirca. About tadalafil. Tadalafil is a medicine used to treat erection problems (erectile dysfunction) and symptoms of an enlarged prostate (benign prostate enlargement). It’s also sometimes used to treat pulmonary hypertension (high blood pressure in the blood vessels that supply the lungs).