Do unused OTC allowances roll over to the following quarter? November 25, 2024 21:38 No. Your unused OTC allowance will expire at the end of each quarter. Related articles How many OTC orders can I place? Can I use my allowance at a local pharmacy or anywhere else outside the over-the-counter (OTC) program? Can I order more OTC products than my allowance will cover in a single order and cover the remaining charges myself? Is there a limit on the number of items I can order in one order? Am I getting charged any additional fees for this benefit?