Can I order more OTC products than my allowance will cover in a single order and cover the remaining charges myself? November 25, 2024 21:29 Yes. You can use your credit/debit card to pay your remaining balance online or over the phone. Related articles Can I use my allowance for someone else or combine my allowance with someone else’s like a spouse, family member, or friend? Is there a shipping and handling charge? How many days does it take to receive an order? Can I use my allowance at a local pharmacy or anywhere else outside the over-the-counter (OTC) program? How many OTC orders can I place?