To amend the Public Health Service Act to nullify certain contractual provisions prohibiting or penalizing a pharmacist's disclosure of the availability of therapeutically equivalent alternative drugs, or alternative methods of purchasing the prescription drug, that are less expensive, and for other purposes.

Prescription Transparency Act of 2018 This bill prohibits contract provisions between a health insurer and a pharmacy that prohibit or penalize a pharmacist's disclosure to an individual purchasing a prescription drug of information regarding (1) the cost of the drug, (2) the availability of any therapeutically equivalent alternative drug, or (3) less expensive methods of purchasing the drug.