Medical Expense Deduction FAQs: Your Top Questions Answered (2025)

The medical expense deduction generates more questions than almost any other tax topic. The rules are specific, the exceptions are numerous, and what seems like it should qualify often doesn’t — and vice versa. We’ve compiled answers to the most frequently asked questions about deducting medical expenses in 2025.

Can I deduct medical expenses I paid for someone else?

Yes, if the person qualifies as your dependent. You can deduct medical expenses paid for your spouse, your qualifying children (under 19, or under 24 if full-time students), and qualifying relatives (including parents). A qualifying relative must generally have income below $5,050 (2025) and receive more than half their support from you. For medical expenses specifically, the dependency test is applied at the time the service was provided or the expense was paid — not necessarily at the time you file your return.

I’m divorced. Can I deduct medical expenses I paid for my child when my ex claims them as a dependent?

Yes. For medical expenses, the parent who actually paid the expense can include it in their medical expense deduction — regardless of which parent claims the dependency exemption for that tax year. This is one way the medical expense rules differ from other dependent-related deductions.

Can I deduct medical expenses from prior years?

No. Medical expenses are deductible only in the year they are paid, regardless of when the services were received. If you received care in December 2024 and paid the bill in January 2025, the expense is deductible on your 2025 return. If you paid in 2024, it’s a 2024 deduction. You cannot defer or accelerate deductions by delaying or prepaying, but you can strategically time elective payments to concentrate expenses in a year where itemizing makes sense.

Can I deduct medical expenses paid with a credit card?

Yes. Medical expenses paid by credit card are deductible in the year you charge the card, even if you don’t pay off the credit card balance until the following year. The IRS treats the credit card charge as a payment at the time the charge is made.

What if my employer’s health plan covers some but not all of my medical costs?

You can only deduct the unreimbursed portion — amounts you paid out of pocket after insurance paid its share. The amounts your employer’s plan paid are not your expense and are not deductible. Your insurance company’s Explanation of Benefits (EOB) shows what was covered and what you owe, which is the starting point for calculating your deductible costs.

If I use my HSA to pay medical expenses, can I still deduct them?

No. If you paid with HSA funds, those expenses are not deductible on Schedule A. HSA contributions are already tax-advantaged (the contribution was deductible or excluded from income). Using HSA funds for qualifying expenses is tax-free. Claiming the same expenses again on Schedule A would be double-dipping, and the IRS doesn’t allow it.

What’s the 7.5% threshold, exactly?

The threshold is 7.5% of your Adjusted Gross Income (AGI). Your AGI is found on Line 11 of Form 1040 — it’s your gross income after above-the-line deductions like student loan interest, IRA contributions, and the self-employed health insurance deduction, but before itemized deductions. Only the total qualifying medical expenses that exceed 7.5% of this number are deductible. If your AGI is $60,000, the first $4,500 of medical expenses is not deductible; only the amount above $4,500 is.

Are health insurance premiums deductible?

It depends on how you pay them. If your employer deducts premiums from your paycheck before taxes, those premiums are not deductible (they’re already excluded from your taxable income). If you pay premiums with after-tax dollars — such as for COBRA coverage, individually purchased insurance, or Medicare premiums — those amounts are deductible as a medical expense on Schedule A. Self-employed individuals get a better deal: they can deduct 100% of premiums above the line without itemizing.

Can I deduct over-the-counter medications?

No, with one exception. Over-the-counter drugs (aspirin, cold medicine, antacids, allergy pills, etc.) are not deductible as medical expenses under current law, even if recommended by a physician. The exception is insulin, which is specifically deductible even when sold OTC. Note: OTC medications are eligible for HSA and FSA reimbursement (since 2020 legislation changed the rules for accounts), even though they’re not deductible on Schedule A.

Do I need a doctor’s prescription to deduct a medical expense?

For medications, yes — they must require a prescription to be deductible (insulin is the main exception). For other medical expenses (equipment, procedures, therapy), a prescription isn’t always required, but the expense must be primarily for medical care and must be connected to a diagnosed medical condition. Having physician documentation strengthens your position, especially for borderline items like massage therapy or certain equipment.

Can I deduct my gym membership?

Generally no. Gym memberships for general fitness and health are not deductible, even if your doctor recommends exercise for a health condition. There is a narrow exception if a gym membership is specifically prescribed to treat a diagnosed medical condition (not just to maintain general health), but the IRS scrutinizes these claims carefully and most gym memberships don’t qualify.

Can I deduct the cost of health food, organic food, or a medically recommended diet?

No. Special foods, organic foods, gluten-free foods, or any food purchased for health or dietary reasons are not deductible as medical expenses. The IRS’s position is that food — regardless of its nutritional profile or medical recommendation — is a normal personal expense that everyone needs. Even if you have celiac disease and must eat gluten-free, the food itself is not deductible (though the extra cost above regular food may be partially deductible in some interpretations).

What if my medical expenses don’t exceed the 7.5% threshold?

If your qualifying medical expenses don’t exceed 7.5% of your AGI, you get no deduction for those expenses through Schedule A — they’re simply personal expenses. However, you may still benefit from an HSA or FSA if you have access to one, both of which reduce taxes on medical spending without needing to clear the 7.5% floor.

Does the standard deduction include any medical expense benefit?

No. The standard deduction does not include a medical expense component. When you take the standard deduction, you receive a flat deduction amount regardless of your medical expenses. The medical expense deduction is only available to taxpayers who itemize on Schedule A.

Can I deduct medical expenses that I paid for but expect to be reimbursed for later?

If you deduct medical expenses and later receive reimbursement (such as an insurance payment or a legal settlement for medical costs), you must include the reimbursement as income in the year you receive it — but only to the extent you previously received a tax benefit from the deduction. This is the “tax benefit rule.”

How do I document my medical expenses for the IRS?

Keep all receipts, invoices, and Explanation of Benefits (EOB) statements from your insurance company. For mileage, maintain a log showing the date, destination, and medical purpose of each trip. You don’t need to submit these documents with your return, but you must have them available if the IRS examines your return. Keep records for at least three years after the filing date (or two years after payment of taxes due, whichever is later).

The Bottom Line

The medical expense deduction has many nuances, but the core rule is consistent: qualifying expenses must be for medical care (not general health or cosmetics), paid with after-tax dollars (not HSA/FSA funds), and they must exceed 7.5% of your AGI. Itemizing is required. When applied correctly, this deduction can significantly reduce taxes for anyone who faced major medical costs in a given year.