Letter to HHS and FDA: Forced Switch Share page: We understand that FDA is considering a switch of a second generation antihistamine, from prescription to OTC status, over the objections of the company. CHPA opposes a policy to force switch over the objections of the drug sponsor. Download Document Issues: OTC Medicines Rx-to-OTC Switch Related Posts Press Releases and Statements West Virginia Expands Access to OTC Cold & Allergy Medications Containing PSE Mar 6, 2024 Press Releases and Statements CHPA Statement on Valisure Citizen Petition Mar 6, 2024 Summary of State Sales Tax Jun 1, 2018