Can I order more than my available allowance worth of OTC products in a single order and cover the remaining charges myself? November 18, 2024 18:04 Yes. You can use your credit card to pay the amount above your allowance threshold. Related articles How do I check my order status online? Do unused OTC allowances roll over to the following quarter? Am I getting charged any additional fees for this benefit? How many days does it take to receive an order? Who can I contact if I have any additional questions?