CareCredit Deferred Interest, Explained

What CareCredit Is and Who Issues It

CareCredit is a health and wellness credit card issued by Synchrony Bank, one of the largest store-card issuers in the United States. It is not a loan from your dentist or vet; it is a revolving credit card marketed inside healthcare offices. That distinction matters, because the terms are set by Synchrony, not by the provider who hands you the brochure.

The card is accepted at hundreds of thousands of providers: dentists, optometrists and LASIK surgeons, veterinarians, dermatologists, audiologists, fertility clinics, and cosmetic-procedure offices. Its entire appeal rests on one line of marketing: "No Interest if Paid in Full within 6, 12, 18, or 24 months" on qualifying purchases. That phrase is the source of both its usefulness and its risk.

The Exact Deferred-Interest Mechanic

Here is what is actually happening behind your statement. On the day you make the purchase, Synchrony begins charging interest on the full amount at the standard purchase APR — 26.99% for most CareCredit accounts as of 2026. (Synchrony's other store cards generally run 26.99%–29.99%.) That interest doesn't show up as a charge yet; it accrues quietly and is held in a reserve in the background.

• Interest accrues every month on your remaining balance, retroactive to the purchase date — not from the deadline.
• The accrued amount is tracked separately and held in reserve. Your statement shows only your purchase balance minus payments, so it looks like nothing is accruing.
• If you reach $0 on or before the deadline, the entire reserve is permanently waived. You pay exactly what you charged.
• If even $1 remains when the clock runs out, the entire accrued reserve is added in a single charge — backdated to day one.

The trap in one sentence: the interest was always there. Paying in full cancels interest that has been quietly piling up the whole time; falling short doesn't start a penalty, it releases one that was already loaded.

Deferred Interest vs. CareCredit's Reduced-APR Installment Plans

CareCredit offers two completely different kinds of promotional financing, and people routinely confuse them. Knowing which one you have is the most important thing on this page.

Deferred-interest promotions come in 6-, 12-, 18-, and 24-month lengths, usually tied to the purchase size (6 months on smaller charges, 12 to 24 on larger ones). These are the "No Interest if Paid in Full" plans: interest accrues at 26.99% in reserve and is waived only if you hit $0 by the deadline. The minimum payment is intentionally too small to clear the balance in time.

Reduced-APR installment plans come in 24-, 36-, 48-, and 60-month lengths and work like a normal loan: a lower fixed APR, a fixed monthly payment, and real interest spread evenly across every payment. There is no hidden reserve and no backdated penalty. You pay interest, but you pay it as you go, and it is disclosed up front.

How to tell which you have: Log in, open the purchase, and look for "No Interest if Paid in Full" or "Deferred Interest" — that's the dangerous one. If instead you see a fixed monthly payment with "Equal Payments" or "Fixed Pay," you're on the safer installment plan. When in doubt, call the number on the back of the card and ask: "Is this a deferred-interest promotion or an equal-payment installment plan?"

Worked Example 1: A $3,000 Dental Crown

You finance a $3,000 dental crown on a 12-month deferred-interest promotion at 26.99% APR and set autopay for the minimum.

To clear the $3,000 in 12 months, your required payment was about $250/month ($3,000 ÷ 12), not the ~$75 minimum. Pay $250 and you hit $0 on time, the reserved interest is waived, and you owe exactly $3,000. The minimum is engineered to keep the account current, not to beat the deadline.

Worked Example 2: A $7,000 Procedure on 18 Months

Now a larger, more dangerous case: a $7,000 procedure (LASIK, a veterinary surgery, or a major dental restoration) on an 18-month deferred-interest promotion at 26.99% APR, paying the minimum of ~$175/month.

The required payment to clear $7,000 in 18 months was about $389/month ($7,000 ÷ 18). Pay that and the entire reserve disappears. Pay the minimum and roughly $1,575 in interest — eighteen months of 26.99% on the balance — lands in a single overnight charge. The larger the balance and the longer the promo, the bigger the backdated reserve.

Your CARD Act Protections

The Credit CARD Act of 2009 added two real protections that work in your favor — use them.

• Excess payments hit the deferred balance at the end. During the final two billing cycles of a deferred-interest promotion, any amount you pay above the minimum must be applied to the promotional balance first — so a late surge of payments actually counts toward beating the deadline.
• The deadline must be disclosed. Your statements are required to show the promotional expiration date. Find it and treat it as the real due date.

These protections make it easier to finish strong, but they do not cancel the penalty if the balance still isn't $0 at the deadline.

What Can Silently Void Your Promo

Plenty of people who "did everything right" still got hit, because small account events quietly broke the promotion:

• A partial return or refund. If a provider refunds part of the procedure, your balance and the math change — and the credit may not apply to the promotional balance the way you expect. Recheck your required payment after any refund.
• A single late payment. Depending on the terms, a late payment can revoke the promotional rate entirely, dropping you to the standard 26.99% APR.
• New charges on the card. Adding purchases muddies which balance your payments are clearing and can leave a stray promotional balance behind. Keep the promo purchase isolated until it's paid off.

How to Find Your Exact Terms

Don't guess. Confirm three numbers and one date directly from the source:

1. Promo length and deadline. Log in to your CareCredit/Synchrony account, open the promotional balance details, and read the expiration date. It is also printed on every statement.
2. The APR. Check the standard purchase APR — 26.99% for most accounts in 2026. This is the rate the reserve accrues at.
3. The promotional balance. Your statement separates it from any regular balance. The promotional figure is the one racing the clock.
4. Plan type. Confirm it says "No Interest if Paid in Full" (deferred), not "Equal Payments / Fixed Pay" (installment).

Safe-Use Checklist

1. Write down the deadline the day you make the purchase. Put it in your calendar with a reminder one month early.
2. Calculate the required payment: balance ÷ months in the promotion. Pay that, never the minimum. Our calculator does this instantly.
3. Set autopay for the required amount so a busy month can't blow the deadline.
4. Isolate the purchase. Don't add new charges to the card until the promo balance is gone.
5. Recheck after any refund or return, and never let a payment post late.
6. Aim for $0 a full month early. A buffer beats a backdated penalty every time.

Related: CareCredit Payment Calculator · The CareCredit Interest Rate · CareCredit Promotional Financing · Is CareCredit Really No Interest? · What Happens If You Miss the Deadline · Deferred Interest vs. 0% APR