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 Effectiveness of Phenylephrine as an Oral Decongestant Letter Comments on the Background Document on Propylparaben and Butylparaben in Skin-Applied Leave-On Products Jan 16, 2025 Comments Comments Regarding Enhancing Coverage of Preventative Services Under the Affordable Care Act Dec 26, 2024