FSA-eligible items in 2026: the complete list (plus the surprising ones most people miss).

A Flexible Spending Account (FSA) lets you spend pre-tax dollars on a much wider range of healthcare items than most people realize. Since the CARES Act of 2020, you no longer need a prescription for most over-the-counter (OTC) medications. The 2026 annual contribution limit is $3,400 (up from $3,300 in 2025). Use it on the obvious (copays, prescriptions, glasses) and on the surprising (sunscreen, period products, breast pumps, foot orthotics). Here's the complete list by category, plus the year-end-spend-down strategy if you'll lose unused funds.

How FSA eligibility actually works

The IRS defines a "qualified medical expense" in IRC §213(d) as an amount paid for "the diagnosis, cure, mitigation, treatment, or prevention of disease, or for the purpose of affecting any structure or function of the body." The IRS doesn't publish a comprehensive product list — instead, the FSA administrator (e.g., HealthEquity, WageWorks, Optum) decides what they'll reimburse based on that definition. Most administrators publish their own eligibility list; the major retailers (Amazon, FSA Store, Target) maintain searchable databases. When in doubt, save the receipt and submit; if denied, you'll get the reason in writing.

One detail trips up a lot of first-year account holders: a health FSA (the kind this guide covers) is different from a Dependent Care FSA. The health FSA pays for medical, dental, vision, and OTC items. The Dependent Care FSA pays for daycare and after-school care so you can work. They're separate buckets with separate limits, and money can't move between them. Everything below applies to the health FSA only.

Your full annual election is available on day one of the plan year, even though the payroll deductions are spread across every paycheck. That's the part people underuse. If you elect $2,000 and have a $1,800 dental procedure in January, you can spend the full $1,800 in January and pay it back to your own paycheck over the rest of the year. The risk runs the other way too: if you spend the full election and then leave the job mid-year, most employers don't claw back the difference. That asymmetry is by design and it's one of the few genuinely good deals in US healthcare billing.

Always-eligible categories (no prescription, no documentation required)

Prescription medications

• Any FDA-approved prescription drug filled at a US pharmacy.
• Insulin (with or without prescription).
• Mail-order prescriptions, including from telehealth platforms (Hims, Roman, Nurx, Wisp).

Co-pays, deductibles, coinsurance

• Doctor visit co-pays (primary care, specialist, urgent care, ER).
• Any payment you make toward your insurance deductible.
• Coinsurance you owe after the deductible is met.
• Hospital bills, surgery bills, lab bills not paid by insurance.

Dental

• Cleanings, fillings, crowns, root canals, extractions.
• Orthodontics — braces, Invisalign, retainers.
• Dental implants and All-on-4 (post-extraction, restoration-of-function basis).
• Dentures and adjustments.
• Mouth guards (sports + nighttime grinding).

Vision

• Eye exams.
• Prescription glasses (frames + lenses).
• Prescription sunglasses.
• Contact lenses and contact solution.
• LASIK and other vision-correction surgery.
• Reading glasses (over-the-counter — yes, even non-prescription readers).

Hearing

• Hearing aids and batteries.
• Hearing tests.
• Cochlear implants.

OTC items now FSA-eligible (CARES Act 2020+, no Rx needed)

The biggest under-used category. Before 2020 you needed a prescription from your doctor to FSA-reimburse OTC drugs. The CARES Act permanently removed that requirement. This category is huge, and it's where most forfeited dollars go to die. Walk down the pharmacy aisle and roughly half of what's on the shelf is now reimbursable with pre-tax money. The change was also retroactive to January 1, 2020, so it's been the rule for years — plenty of people still don't know it.

OTC medications

• Pain relievers (Tylenol, Advil, Aleve, aspirin).
• Cold and flu medicine (DayQuil, NyQuil, Mucinex, cough drops, decongestants).
• Allergy medicine (Zyrtec, Claritin, Benadryl, Flonase).
• Antacids and heartburn (Tums, Prilosec OTC, Pepcid AC).
• Anti-diarrheals and laxatives.
• Sleep aids (melatonin, ZzzQuil, Unisom).
• Nicotine patches and gum (smoking cessation).
• Topical creams (hydrocortisone, antibiotic ointments, anti-fungal).

Menstrual products (CARES Act addition)

• Tampons, pads, liners, period underwear.
• Menstrual cups.
• Heating pads for cramps.

Sun and skin

• Sunscreen (SPF 15+).
• Sunburn relief (aloe-based).
• Lip balm with SPF.
• Acne treatments (OTC).

First aid + medical supplies

• Bandages, gauze, antiseptic wipes, peroxide.
• Thermometers (oral, ear, forehead, smart).
• Blood pressure monitors.
• Pulse oximeters.
• Glucose monitors and test strips (diabetes).
• Heating pads and ice packs.
• Crutches, canes, walkers.
• Knee braces, ankle braces, back supports.

Surprising eligible items most people miss

• Breast pumps + supplies. Manual or electric. Storage bags. Replacement parts.
• Lactation consultant fees. Documented IBCLC visits.
• Pregnancy tests + fertility kits. Including ovulation predictor kits.
• Childbirth classes. If the class teaches you what's medically happening during labor + delivery.
• Sunglasses prescription (with diopter; non-Rx sunglasses generally aren't).
• Reading glasses over-the-counter (no Rx needed).
• Smoking-cessation programs + nicotine replacement therapy.
• Weight-loss programs for a doctor-diagnosed obesity condition (with a letter of medical necessity).
• Acupuncture sessions.
• Chiropractic care.
• Mental health therapy (psychologist, psychiatrist, licensed counselor).
• CGM sensors (Dexcom, Libre) for diabetics.
• Foot orthotics + arch supports + diabetic shoes.
• Bedding for allergies (mattress encasings if doctor-prescribed for dust mite allergy).
• Air purifiers (with Letter of Medical Necessity for specific allergy/asthma diagnosis).
• Home defibrillators (AED).
• Genetic testing (23andMe Health, others — only the health-component portion of the cost).
• Service animal expenses (food, training, vet care).
• Transportation to medical appointments (mileage at $0.205/mile for 2026 — 20.5 cents, parking, tolls).

NOT eligible (commonly assumed but won't reimburse)

• Gym memberships — even with a Letter of Medical Necessity, IRS has explicitly denied this.
• Cosmetic procedures — teeth whitening, Botox (cosmetic), face lifts, breast augmentation (cosmetic). Reconstructive surgery is eligible.
• Vitamins and supplements for general health — eligible only if specifically prescribed for a diagnosed condition.
• Toiletries — toothbrushes (non-electric), toothpaste, mouthwash, soap, shampoo, deodorant, lotion (general).
• Funeral expenses.
• Health club / fitness equipment for general fitness.
• Maternity clothes.
• Diaper service.
• Premiums for individual health insurance (HSA can; FSA generally cannot — with limited exceptions).

Where to shop FSA-eligible

• FSA Store (fsastore.com) — 4,000+ products pre-verified eligible. Auto-substantiation = no receipt submission needed.
• HSA Store (hsastore.com) — sister site, also FSA-eligible.
• Amazon FSA Store — large eligible-product catalog, Prime-eligible.
• Target FSA + HSA Shop — in-store and online.
• Walgreens / CVS / Rite-Aid — most pharmacies code FSA-eligible items in their POS systems.
• Optical retailers (Warby Parker, Zenni) take FSA cards directly.

Year-end spend-down strategy

Most FSAs are use-it-or-lose-it, with two exceptions employers may offer:

• $680 carryover (2026 limit): up to $680 of unused funds can roll to next plan year.
• 2.5-month grace period: an extra ~10 weeks after plan-year-end to spend remaining funds.

Your employer picks ONE of these options, not both. Or neither. Check your plan documents in October so you know your end-of-year window. If you'll lose unused funds, plan a December spend-down:

1. Stock up on OTC essentials: pain relievers, allergy meds, cold/flu medicine, first aid supplies, sunscreen, period products, contact solution, lip balm with SPF. Long shelf life, you'll use them anyway.
2. Schedule eye exams + buy glasses (frames, lenses, prescription sunglasses).
3. Stockpile contact lenses (1-year supply).
4. Pre-pay dental work (cleanings, planned procedures).
5. Buy planned medical equipment (blood pressure monitor, thermometer, heating pad).
6. Refill prescriptions 90-day supply before year-end.

What an FSA actually saves you in dollars

The savings aren't a discount on the item — they come from paying with money that never gets taxed. FSA contributions skip federal income tax, FICA (Social Security + Medicare, 7.65%), and state income tax in most states. Your effective savings rate is roughly your combined marginal tax rate. A rough picture for 2026:

These are estimates, not promises — your exact rate depends on your bracket, your state, and whether your state taxes FSA contributions (a handful, like California, treat the contribution as state-taxable wages, so your state portion may not apply). The point holds: on a $3,400 election, a typical worker keeps roughly $700 to $1,300 they'd otherwise hand to the IRS and their state. The catch is that this only works on dollars you actually spend on eligible items. A forfeited dollar is a 100% loss, which wipes out the tax win fast. Run your own numbers with the HSA tax calculator — the payroll-deduction math is identical for an FSA.

How much should you elect? Right-sizing the contribution

The whole game is electing close to what you'll genuinely spend, then making sure you spend it. Over-elect and you risk forfeiting; under-elect and you've paid tax on healthcare dollars you didn't need to. A simple way to set the number:

1. Add up the predictable. Recurring prescriptions, expected copays, a planned dental crown or implant, an eye exam plus new glasses, contact lens supply. These are dollars you'll spend with near certainty.
2. Add a modest OTC floor. Most households burn $150–$400 a year on pain relievers, allergy meds, cold/flu supplies, first aid, sunscreen, and period products without trying. That's reimbursable.
3. Round down, not up. When you're unsure, elect the lower number. It's easier to spend a small surplus on OTC essentials in December than to claw back a forfeited $500.

If you have a big-ticket procedure on the calendar — orthodontics, LASIK, a dental implant — that single expense can justify electing near the $3,400 cap, because the full election is available immediately and the tax savings on a $4,000+ procedure are real money.

The FSA debit card vs. paying out of pocket

Most plans issue an FSA debit card. Using it at an IIAS-certified retailer is the cleanest path because the purchase auto-substantiates — the system already knows the item is eligible, so no receipt chase later. Paying out of pocket and filing for reimbursement works too, but it puts the documentation burden on you and the money sits in the account until you claim it.

A few card habits save headaches:

• Separate the cart. At a store that sells groceries and pharmacy items, ring up eligible items in their own transaction so the card isn't declined on the non-eligible half.
• Keep every receipt anyway. Even auto-substantiated buys can get flagged for verification months later. A declined-to-substantiate card can be frozen until you produce the receipt.
• Watch the card expiration. The card is tied to the plan year; a new card or reissue can lag a few days into January.

The FSA vs HSA decision

If your employer offers both, you usually have to choose one (unless you have a Limited Purpose FSA — dental + vision only — which can pair with an HSA).

• FSA wins when: you don't have an HDHP, you spend $1K-$3K/year on healthcare predictably, you want to use it on broad OTC categories.
• HSA wins when: you have an HDHP, you can invest the contribution for long-term growth, you're early-to-mid career and want the triple tax advantage.

Full breakdown: HSA vs FSA: which one wins for your situation. To calculate your specific tax savings, use the HSA tax calculator (same math applies to FSA payroll deductions).

Documentation: when you'll need a receipt

FSA administrators auto-substantiate (no receipt needed) when:

• You use your FSA debit card at a retailer with an IIAS-certified Inventory Information Approval System (most major pharmacies + grocery + FSA Store).
• The purchase matches a recognized FSA-eligible product code in their database.

You'll need to submit a receipt when:

• The transaction doesn't auto-substantiate (smaller retailer, online store without IIAS).
• You paid out-of-pocket and want reimbursement.
• Items with documentation requirements (Letter of Medical Necessity for things like air purifiers, weight-loss programs).

Keep digital copies of all FSA receipts for at least 3 years — IRS audit window. Most administrators have mobile apps with receipt-capture features that timestamp the upload.

If you ever get a surprise out-of-network bill or a balance bill you weren't expecting, your FSA can usually cover your real cost-share once it's settled — but settle the dispute first. Our guides on the No Surprises Act protections and how to negotiate a medical bill walk through getting the number right before you pay it with pre-tax dollars.

Frequently asked questions

Can I use my FSA for my spouse and kids?

Yes. A health FSA covers qualified medical expenses for you, your spouse, and your tax dependents, even if they're on a different health plan than you. The relationship to your insurance doesn't matter — what matters is that the person is your dependent for tax purposes and the expense is eligible.

What happens to my FSA if I leave my job?

Your eligibility to incur new expenses generally ends on your last day of coverage, and you have a short window (often 30–90 days, set by the plan) to submit claims for expenses dated before you left. COBRA can sometimes extend a health FSA, but only in narrow cases and rarely worth it. If you already spent your full election before leaving, you usually keep the benefit — that's the asymmetry working in your favor.

Can I have both an FSA and an HSA?

Not a general-purpose FSA and an HSA in the same year — a regular health FSA disqualifies you from HSA contributions. The exception is a Limited Purpose FSA (dental and vision only), which is designed to pair with an HSA so you can stack both.

What if I buy an eligible item but the card gets declined?

Pay out of pocket, keep the receipt, and submit for reimbursement through your administrator's app or portal. A decline at checkout usually means the retailer isn't IIAS-certified or the item wasn't coded as eligible in their system — not that the item is ineligible.

Do FSA funds expire at the exact end of December?

It depends on your employer's plan design. Some plans run use-it-or-lose-it at plan-year-end. Others offer the $680 carryover or the 2.5-month grace period (one or the other, never both). Read your plan documents — the deadline that matters is yours, not a universal date.

Is a Letter of Medical Necessity hard to get?

Not usually. It's a short note from your prescriber stating the diagnosis and why the item or service treats it. For things like an air purifier for documented asthma or a weight-loss program for diagnosed obesity, ask your doctor's office — many have a template. Keep it on file with the receipt.

Bottom line

FSAs are dramatically more flexible than most account holders realize. The annual contribution is pre-tax (saves federal income tax + FICA + state tax in most states); spending it on the obvious medical items is just step one. Use the surprise-eligible categories (sunscreen, period products, breast pumps, foot orthotics, prescription sunglasses, OTC stockpile) to make sure you spend every dollar before year-end. Combined with FSA Store auto-substantiation, there's no excuse to forfeit unused funds.

Shirley Chia — Researcher & Editor

Editor of HealthCostHub. Researches healthcare pricing, financing, and tax-advantaged accounts.

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Reference information only — not tax or financial advice. FSA administrator policies and IRS guidance change; verify eligibility for specific items with your plan administrator before purchasing. Last updated June 2026.