Millions of American workers are about to forfeit money they already earned, and most of them won't notice until it's gone.
Flexible spending accounts, the pre-tax healthcare funds offered by many employers, come with a strict use-it-or-lose-it rule.
Miss the deadline, and whatever balance remains simply vanishes.
The average FSA contribution runs north of $1,500 per household, according to industry data, and a meaningful slice of that goes unspent every year.
Unlike a 401(k) or an HSA, an FSA is not a savings account.
It's a spending account with an expiration date, and the clock is running out for anyone on a calendar-year plan.
Many employers offer a grace period that pushes the cutoff into mid-March.
Others use a carryover rule that lets you roll over a limited amount—typically around $640 for the current plan year—into the next one.
Your specific rules live in your benefits paperwork or your plan's online portal, and they are not interchangeable between employers.
The good news is that spending the money is easier than people assume.
Over-the-counter medications, first-aid supplies, bandages, contact lens solution, sunscreen, and menstrual products all qualify.
So do prescription glasses, dental work, therapy sessions, and copays.
A growing number of plans now cover everyday items like allergy medicine and pain relievers without a prescription, a change that took effect a few years ago and still catches people off guard.
If you're staring down a leftover balance, the practical move is to schedule the appointments you've been putting off.
A dental cleaning, an eye exam, or a dermatology visit can absorb hundreds of dollars fast.
Just remember that the expense has to be incurred by the deadline, not merely paid by it—timing matters.
Some people treat their FSA like an emergency fund and overfund it, then scramble every winter to burn through the balance.
Estimate your predictable medical costs for the year, contribute slightly less than you expect to spend, and let the tax savings do the work.
Overfunding a use-it-or-lose-it account is one of the few money mistakes with a guaranteed downside.
The deadline also lands during a stretch when household budgets are already stretched thin.
Grocery prices remain elevated, rent keeps climbing in many metros, and credit card balances are near record highs.
Losing a few hundred dollars to a forgotten FSA stings more in that environment than it would in a flush year.
It's real money leaving your pocket for no reason.
Set a calendar reminder today, log into your benefits portal, and check three things: your remaining balance, your exact deadline, and whether a grace period or carryover applies.
Then book whatever care you've been postponing.
Fifteen minutes of admin work can be worth several hundred dollars.
The FSA isn't a scam, but it is unforgiving.
It rewards people who plan and quietly punishes everyone else.
Final Thoughts
Treat the deadline like a bill you owe yourself, because that's exactly what it is.