The average American takes 4 prescription drugs. The average annual out-of- pocket spending on prescriptions is $164 per person, but for those with chronic conditions or brand-name specialty drugs, it can easily exceed $5,000/year. Most of that spending is optional — the same molecule is available at dramatically lower prices through channels that aren't your insurance's default pharmacy.

This article covers how drug formularies work and seven specific strategies to reduce your prescription costs.

1. What a Formulary Is

A formularyFormularyA formulary is your plan's list of covered prescription drugs, usually organized into tiers that determine what you pay. Tier 1 is generics (lowest cost-share), Tier 2 is preferred brand-name drugs, Tier 3 is non-preferr… Read the full definition → is a tiered preferred-drug list. Your insurance plan (or its PBM) categorizes drugs into tiers, and your copayCopayA copay is a flat dollar amount you pay for a specific service, usually collected at the time of care. A $30 primary care copay, a $75 specialist copay, a $10 generic drug copay. It's the simplest form of cost-sharing — … Read the full definition → or coinsuranceCoinsuranceCoinsurance is the percentage of the allowed amount you pay after your deductibleDeductibleA deductible is the dollar amount you pay out of pocket for covered services each plan year before your health plan starts sharing the cost. If your deductible is $3,000, you pay the first $3,000 of allowed charges yours… Read the full definition → is met, up until you hit your out-of-pocket maximum. If your plan is "80/20 after deductible," the plan pays 80% and you pay 20% of every … Read the full definition → depends on which tier a drug is in. Typical structure:

Formularies change annually. Drugs that were Tier 2 last year can move to Tier 3 or be excluded entirely. Always check your plan's formulary before filling a new prescription.

2. Why Your PBM's Formulary Isn't Always the Cheapest Option

Pharmacy Benefit Managers (PBMs) negotiate rebates from drug manufacturers. These rebates are calculated as a percentage of the drug's list price (WAC — wholesale acquisition costWAC (Wholesale Acquisition Cost)WAC stands for Wholesale Acquisition Cost — the manufacturer's published list priceList PriceThe list price of a prescription drug is the manufacturer's publicly stated price before any negotiated discounts, rebates, or patient-assistance programs apply. It's the number you see quoted in pharmaceutical company p… Read the full definition → for a drug sold to wholesalers, before any rebates, discounts, or chargebacks. It's the drug industry's version of MSRP: a real publishe… Read the full definition →). Higher list price = larger rebate. This creates a perverse incentive: PBMs sometimes prefer high-list-price brand drugs over lower-priced generics or biosimilars, because the rebates flow to the PBM (and partially to the plan sponsor).

The result: your copay for a Tier 2 brand drug might be $30, while the same drug's cash price at a discount pharmacy is $18. You'd be better off paying cash and not running it through insurance.

Three PBMs control ~80% of the U.S. market: Caremark (owned by CVS Health), Express Scripts (owned by Cigna), OptumRx (owned by UnitedHealth). Their formularies drive most retail pharmacy pricing. Independent, transparent- pricing pharmacies operate outside this system.

3. Strategy 1: Generic Substitution

The single largest lever. Generic drugs are chemically identical to their brand-name equivalents, FDA-approved with the same bioequivalence standards, and typically cost 80-90% less. When a brand drug's patent expires and generics become available, prices collapse — but you have to actively ask for the generic.

Examples (2026 prices):

Ask your prescriber: "Is there a generic available for this?" If yes, request generic on the prescription. If your prescriber prefers the brand for a specific clinical reason, ask them to document why — otherwise pharmacies must substitute the generic in most states.

4. Strategy 2: Therapeutic Alternatives

Even when no generic exists for a specific brand, there is often a different drug in the same class that treats the same condition — with a generic available.

Examples:

Ask your prescriber: "Is there a generic drugGeneric DrugA generic drug is the chemically identical version of a brand-name drug, made and sold after the brand-name manufacturer's patent expires. Generics contain the same active ingredient, in the same dose, delivered the same… Read the full definition → in the same class that would work for my condition?" Often the answer is yes and the switch saves $150- $400/month.

5. Strategy 3: Cost Plus Drugs

Mark Cuban's Cost Plus Drug Company publishes list prices for over 2,000 medications. The pricing formula is transparent: manufacturer cost + 15% margin + $5 pharmacy dispensing fee + shipping ($5-$10). No PBM. No rebates. No mystery.

Sample prices (2026):

Cost Plus does not accept insurance. You pay cash, and receipts count as qualified medical expenses for HSA/FSA reimbursement.

6. Strategy 4: GoodRx and Discount Card Aggregators

GoodRx (and competitors: SingleCare, RxSaver, WellRx) negotiates cash prices with retail pharmacies and publishes coupons. You show the coupon at the pharmacy counter; it processes as a cash transaction using the negotiated rate. Often beats the insurance copay for generic drugs at CVS, Walgreens, Kroger, HEB, etc.

Downsides:

Still: for generic drugs, GoodRx often produces a lower out-of-pocket cost than your insurance copay. Always check both before filling.

7. Strategy 5: Amazon Pharmacy

Amazon Pharmacy launched in 2020 and now competes aggressively on generic pricing. Two programs:

Sample Amazon prices (2026): metformin 30-day $3.60; lisinopril 30-day $3.90; atorvastatin 30-day $5.40. Free Prime delivery.

For households already on Amazon Prime, Amazon Pharmacy is worth checking alongside GoodRx and Cost Plus for every new prescription.

8. Strategy 6: Manufacturer Copay Cards (Brand Drugs)

For expensive brand drugs, manufacturers routinely offer copay assistance programs that reduce your out-of-pocket cost to $0-$25/month regardless of your insurance's copay. The manufacturer subsidizes the difference; the drug still gets billed to your insurance at the brand price.

Verified programs (as of 2026):

Not all patients qualify. Requirements typically:

How to enroll: manufacturer website (search "[drug name] copay card" or "[drug name] savings program"). Provide insurance information, ID, and sometimes a photo of your prescription. Card typically arrives within 1-3 days.

TruePrice Care's manufacturer coupon catalog includes 40+ brand-drug programs with direct enrollment links.

9. Strategy 7: 90-Day Supply vs. 30-Day

For maintenance medications (chronic conditions like hypertension, diabetes, high cholesterol), 90-day supply90-Day SupplyA 90-day supply is a prescription fill that provides three months of medication at once, rather than the standard 30-day retail fill. For maintenance medications on chronic conditions, 90-day supplies are almost always t… Read the full definition → is typically 30-50% cheaper per day than 30-day supply. Many plans require 90-day fills for maintenance drugs after 2-3 initial 30-day fills.

Fill 90-day supplies at:

10. Step Therapy: How to Navigate

Step therapyStep TherapyStep therapy is a plan requirement that a member try one or more lower-cost medications (and document that they didn't work or weren't tolerated) before the plan will cover a higher-cost alternative. Also called "fail-fi… Read the full definition → (also called "fail firstFail First"Fail first" is the informal name for a step-therapy protocol, where a health plan or PBM requires a patient to try (and demonstrate lack of efficacy or intolerance for) a lower-cost drug before it will cover a higher-co… Read the full definition →") requires you to try a lower-cost drug before your insurance will cover a more expensive alternative. Common example: your doctor prescribes Xarelto for atrial fibrillation; your insurer requires you to try warfarin first, document failure or intolerance, then approves Xarelto.

Step therapy is frustrating but appealable:

  1. Your doctor can request a medical exceptionMedical ExceptionA medical exception (also called a medical-necessity exception or formulary exception) is a formal request to a health plan or PBM to cover a drug, procedure, or service that would otherwise be excluded, non-covered, or … Read the full definition → if you've previously tried the "first step" drug at another doctor's practice and it didn't work.
  2. Your doctor can request an exception based on contraindications (e.g., liver disease makes warfarin inappropriate).
  3. If denied, appeal — including external reviewExternal ReviewExternal review is the appeal step that comes after a health plan's internal appeals process has been exhausted — an independent third-party reviewer (an Independent Review Organization, or IROIndependent Review Organization (IRO)An Independent Review Organization (IRO) is an accredited third-party entity that conducts external appeal reviews of health plan denials. IROs employ or contract with physician reviewers in relevant specialties who exam… Read the full definition →) examines the denial and i… Read the full definition →. Success rates on step therapy appeals are high when the medical case is clear.

Many states have "step therapy override" laws requiring insurers to grant exceptions when specific conditions are met (medical inappropriateness, previous failure, expected adverse reaction). See Prior Authorization for appeal mechanics.

11. Specialty Drug Management

Specialty drugs — biologics, oncology drugs, gene therapies, hepatitis C treatments — often cost $5,000-$50,000/month or more. Insurance handling:

Watch for copay accumulatorCopay AccumulatorA copay accumulator is a plan design that prevents manufacturer copay card assistance from counting toward the member's deductible or out-of-pocket maximum. When a member uses a $500 copay card to cover a specialty drugSpecialty DrugSpecialty drugs are high-cost medications used to treat complex, chronic, or rare conditions — rheumatoid arthritis, multiple sclerosis, Crohn's, cancer, hepatitis C, cystic fibrosis. They typically require special handl… Read the full definition →'… Read the full definition → programs. These insurance programs prevent manufacturer copay assistance from counting toward your deductible or OOP maxOut-of-Pocket MaximumThe out-of-pocket maximum is the most you'll pay for covered, in-network care in a plan year. Once you hit it, the plan pays 100% of allowed charges for the rest of the year. Deductible, copays, and coinsurance all count… Read the full definition →. If your insurance uses an accumulator, you pay full copay after manufacturer assistance is exhausted, even if you've already "spent" $10,000+ in copay-card dollars during the year.

Similar tactics: copay maximizerCopay MaximizerA copay maximizer is a cousin of the accumulator — a plan design that also prevents manufacturer copay card assistance from crediting toward the deductible, but takes it further by adjusting the member's cost-share on th… Read the full definition → programs, alternative funding programs, non-medical switchingNon-Medical SwitchingNon-medical switching is when a PBM or health plan changes the drug that a patient is required to take for a specific condition mid-year, for reasons unrelated to the patient's clinical situation. The switch might be tri… Read the full definition →. These are all mechanisms insurers use to shift specialty drug costs back to patients or manufacturers. State laws are evolving — several states have banned copay accumulators. Check your plan documents and state law.

12. How to Ask Your Doctor

Prescribers often don't know or don't consider drug prices. You have to raise it. Simple language:

"Before you finalize this prescription — is there a generic version I could try first? If not, is there a similar drug in the same class that has a generic? I'm trying to keep my out-of-pocket costs down."

Most doctors will happily consider alternatives. The exception: when a specific brand drug has clear clinical advantages for your case, in which case they'll explain why.

13. The Broker's Playbook

For every prescription:

  1. Ask if a generic is available.
  2. If brand, ask if a generic exists in the same class.
  3. Check price at Cost Plus Drugs, GoodRx, and Amazon Pharmacy.
  4. Compare cash prices to your insurance copay.
  5. If brand and expensive, search for manufacturer copay cardManufacturer Copay CardA manufacturer copay card is a discount program run by a drug company that reduces the member's out-of-pocket cost for a specific brand-name drugBrand-Name DrugA brand-name drug is the version of a medication sold by the company that originally developed it, under a trademarked name and while patent protection is still in force. The patent typically runs 20 years from filing, t… Read the full definition →. The patient uses the card at the pharmacy, the pharmacy processes it as a… Read the full definition →.
  6. For maintenance drugs, switch to 90-day supply.
  7. For specialty drugs, get on a manufacturer patient assistance programPatient Assistance ProgramA Patient Assistance Program (PAP) is a manufacturer program that provides prescription drugs at little or no cost to patients who can't afford them. Eligibility is typically based on income (often 200 to 400 percent of … Read the full definition →.

This routine takes 5-10 minutes per prescription and typically saves $300-$3,000/year per household. It requires no policy change and no plan switch — just the habit of checking cash prices before defaulting to insurance.