Always disclose a full medical history to the healthcare provider. If a sudden loss of vision, hearing, or an erection lasting longer than four hours (priapism) occurs, seek emergency medical attention immediately [6].

If approved, the prescription is sent to a pharmacy, and the medication is shipped in discreet packaging [3, 5]. 5. Cost and Insurance Brand-name Cialis can be expensive.

While generic Tadalafil is available and more affordable, "herbal" or "natural" versions of Cialis are usually unapproved and unsafe [2]. 4. The Online Consultation Process

Look for the "Verified Internet Pharmacy Practice Sites" seal or a URL ending in .pharmacy [1].

Ensure the pharmacy is licensed in the United States and provides a physical address and phone number for customer support [1].