How to Save Money on Peridex in 2026: Coupons, Discounts, and Patient Assistance

Peridex (chlorhexidine gluconate 0.12% oral rinse) is one of the most effective prescription treatments for gingivitis—and one of the more affordable. But "affordable" is relative: retail prices can range from $15 to $40 for a 16-ounce bottle, which can add up if you need multiple bottles or if you're paying out of pocket. Here are the best strategies to reduce your cost in 2026.

What Does Peridex Actually Cost?

Here is the current pricing landscape for generic chlorhexidine gluconate 0.12% oral rinse (the same drug as Peridex):

Retail price (no insurance or coupon): $15–$40 for 473 mL (16 oz), depending on the pharmacy

With GoodRx coupon: As low as $9–$11 at many pharmacies

With insurance (most plans): $0–$15 copay; generic is typically Tier 1 on most formularies

Strategy 1: Use GoodRx or SingleCare

GoodRx and SingleCare are free-to-use pharmacy discount cards (not insurance) that negotiate lower prices at participating pharmacies. They are accepted at virtually every major pharmacy in the United States. For generic chlorhexidine gluconate:

GoodRx prices start at approximately $9.51–$10.97 at many pharmacies as of 2026

SingleCare offers similar pricing at different pharmacy partners

To use: go to goodrx.com or singlecare.com, search "chlorhexidine gluconate," enter your zip code, and show the coupon on your phone at the pharmacy

Important: coupon prices are sometimes lower than your insurance copay. Always check both.

Strategy 2: Always Ask for the Generic

If your prescription says "Peridex" by brand name, your pharmacist is required to offer you the generic (unless your dentist marked "dispense as written"). Generic chlorhexidine gluconate 0.12% is bioequivalent—it works identically to Peridex. Accepting the generic instead of the brand-name can save you $5–$20 per fill depending on the pharmacy.

Strategy 3: Compare Pharmacy Prices

Prices for the same generic medication can vary significantly by pharmacy—sometimes by $15 or more. Before filling your prescription, compare prices on GoodRx across your local pharmacies. Some options to check:

Costco Pharmacy: Often has the lowest price on generics; no membership required to use the pharmacy

Walmart Pharmacy: Frequently stocks generics at low prices; no special program needed

Mark Cuban's Cost Plus Drugs (costplusdrugs.com): Mail-order; transparent pricing; often significantly lower than retail

Strategy 4: Use Your Insurance (If You Have It)

Generic chlorhexidine gluconate is covered by most medical insurance plans (not dental benefits) as a Tier 1 or Tier 2 drug. Medicare Part D also typically covers it. Typical insurance copays range from $0–$15. If your pharmacy claims it's not covered, ask if they tried the generic NDC number rather than the brand name, as the generic may be covered when the brand is not.

Is There a Peridex Patient Assistance Program?

Unlike expensive brand-name drugs, there is no dedicated manufacturer patient assistance program (PAP) for Peridex or generic chlorhexidine gluconate. This is because the medication is already very inexpensive in its generic form. The best assistance is a GoodRx or SingleCare coupon, which brings the cost well under $15. If you truly cannot afford even the coupon price, ask your dentist—many dental offices have samples available.

Summary: Cheapest Ways to Get Peridex in 2026

GoodRx coupon at Costco or Walmart: ~$9–$11

Insurance Tier 1 copay: $0–$15 depending on your plan

Mail-order via Cost Plus Drugs: transparent low pricing, no coupon needed

Free samples from your dentist's office: check if available for the first few days

And if you're still having trouble finding Peridex at any pharmacy, use medfinder to locate a pharmacy with it in stock near you. See our guide on how to find Peridex in stock near you for more.