Can You Use FSA Funds for Over-the-Counter Medication?

Updated July 9, 2026 6 min read

The rules about what a flexible spending account will actually pay for have shifted more than once, and over-the-counter medication is one of the categories that’s been redefined along the way.

The short answer

Over-the-counter medications and many related health products are generally eligible for reimbursement through a flexible spending account, a change from earlier rules that required a prescription for most non-prescription drugs. Eligibility rules are set at the federal level but administered through each individual plan, so the specific list of what qualifies — and whether a receipt or itemization is required — depends on the plan itself.

How the rules have shifted over time

For a period, FSAs required a prescription before reimbursing common over-the-counter items like pain relievers or allergy medication, even though those products don’t require one to purchase. That requirement was later removed for a broad category of over-the-counter drugs, and menstrual care products were added as an eligible category as well. Because these rules have changed before and could change again, treating any specific list of eligible items as fixed indefinitely isn’t reliable — what qualifies is a function of current rules, not a permanent feature of the account.

What tends to qualify

The general pattern is that products aimed at treating or preventing a specific condition tend to qualify, while items aimed at general wellness or appearance tend not to:

That line isn’t always obvious at the point of sale. A vitamin taken for general wellness, for instance, is typically treated differently than the same product recommended by a provider for a diagnosed deficiency, even though the item on the shelf is identical either way.

Why checking the plan matters

Plan administrators don’t always update their eligible-expense lists at the same pace, and some FSA debit cards are programmed to auto-approve only certain merchant categories or product codes, which can reject a legitimate purchase or approve one that later gets flagged during a review. Keeping receipts and, when in doubt, checking the plan’s specific documentation before a purchase — rather than after — helps avoid the hassle of submitting substantiation for a denied claim. This matters more for FSAs than for an HSA in some respects, since FSA administrators often require more active claim substantiation, and protecting the account’s tax advantages starts with getting basic eligibility right.

If a purchase is declined at checkout or later flagged during a substantiation review, most plans allow submitting an itemized receipt and a brief explanation afterward rather than losing the reimbursement outright, though the process and timeline for doing so vary by administrator.

The takeaway

Over-the-counter medication is broadly eligible for FSA reimbursement under current rules, a meaningful expansion from the prescription requirement that used to apply, but “broadly eligible” isn’t the same as “everything in the aisle.” Because eligibility categories are set by rules that have changed before, checking a specific plan’s current list before relying on a purchase being covered is the more dependable habit than assuming last year’s rules still apply.