How Much Does Amantadine ER Cost in 2026?
Amantadine ER (Amantadine Extended Release) costs from $960/month when pharmacies compete on Script Unlock — vs $1200 or more at chain pharmacies without insurance. That's a savings of 20% off retail cash price.
Updated July 2026 · Verified pharmacy data · Cash prices, no insurance required
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Amantadine ER Cost by Dose
Amantadine ER pricing varies with the prescribed strength. Below are typical Script Unlock cash prices for common Amantadine ER dose strengths, comparing 30-day and 90-day supplies.
| Strength | 30-day cash | 90-day cash | 90-day savings |
|---|---|---|---|
| Standard dose | $874 | $2150 | 18% |
Prices reflect typical Script Unlock verified pharmacy pricing. Your actual price depends on the specific pharmacy you choose and their real-time inventory. Compare live prices for your prescribed dose to see current rates.
Amantadine ER Cost by Pharmacy Chain
Chain pharmacy cash prices for Amantadine ER vary significantly. Below are typical retail cash prices at major US pharmacy chains, without coupons or insurance.
| Pharmacy | 30-day cash | 90-day cash | Coupons? |
|---|---|---|---|
| CVS Pharmacy | $1463 | $3731 | Limited |
| Walgreens | $1277 | $3256 | Available |
| Walmart | $1061 | $2706 | Available |
| Costco Pharmacy | $804 | $2050 | Limited |
| Kroger Pharmacy | $1077 | $2746 | Available |
| Rite Aid | $1147 | $2925 | Available |
| Publix Pharmacy | $1104 | $2815 | Limited |
| Safeway Pharmacy | $1243 | $3170 | Available |
| Script Unlock verified pharmacies | $960 | $2448 | Cash price — no coupon needed |
Chain prices shown are typical US-average retail cash prices. Actual prices vary by store and change frequently. Prices with coupon apps (GoodRx, SingleCare, RxSaver) are usually 20–40% lower than the "Coupons Available" column — but still typically higher than Script Unlock verified pharmacy prices.
Why Do Amantadine ER Prices Vary So Much?
The cash price of Amantadine ER can vary by 3x or more between pharmacies in the same city. Here's why that happens — and why comparing pharmacies matters:
1. Wholesale acquisition cost (WAC)
10–40% of price varianceEvery pharmacy pays a wholesale price to acquire Amantadine ER from a distributor. Wholesalers negotiate different unit prices with chains, independents, and warehouse pharmacies. The same medication can cost a pharmacy $8 or $32 depending on the supply-chain relationship.
2. Pharmacy Benefit Manager (PBM) contracts
Can double or triple chain pricesChain pharmacies are typically locked into PBM contracts that dictate the cash price they can charge. Even when the pharmacy could sell for less, they must charge the PBM-mandated tier. Independent pharmacies that opt out of these contracts can offer their real cost + a modest margin.
3. Direct and Indirect Remuneration (DIR) fees
5–15% baked into chain pricesPBMs charge pharmacies retroactive DIR fees months after a prescription is filled. To offset, pharmacies inflate cash prices. Cash-pay pharmacies without insurance involvement don't pay DIR fees — and pass that savings to patients.
4. Volume and inventory strategy
15–50% variance in the same zip codeHigh-volume pharmacies get better wholesale rates but carry more overhead. Some pharmacies use popular medications like Amantadine ER as loss-leaders to bring in traffic, pricing them below cost. Others charge premium prices assuming insurance will cover the delta.
5. Local competition
20–40% price gap by zipPharmacies in areas with several competing options tend to price lower. Rural pharmacies with no local competition can charge closer to retail. Script Unlock effectively creates competition regardless of geography.
6. Cash vs insurance pricing
Up to 100% higher for uninformed patientsMany pharmacies quote cash prices higher than the equivalent insurance-billed price because they assume patients will use insurance. If you pay cash without asking for the cash rate, you may pay double. Always ask for the cash-pay price — or use Script Unlock to compare directly.
5 Ways to Save on Amantadine ER
Beyond simply paying retail, here are the five most effective ways to reduce your Amantadine ER cost. We're listing all options — not just Script Unlock — so you can pick what works best for your situation.
Compare cash prices across pharmacies (Script Unlock)
Pharmacies set different cash prices for Amantadine ER. Verified independent pharmacies typically charge 40–70% less than chain pharmacies for the same medication. Script Unlock shows you real cash prices from pharmacies near you — no insurance required, no coupon codes, no membership fees.
Switch to the generic version
Amantadine ER has a generic alternative — Amantadine Extended Release — that contains the identical active ingredient at the same dose. FDA-approved generics undergo the same bioequivalence testing as brand medications. Ask your prescriber if generic Amantadine Extended Release is appropriate.
Buy a 90-day supply instead of 30-day
Pharmacies typically discount 90-day supplies of Amantadine ER by 10–20% compared to buying 30-day quantities three times. Fewer dispensing fees, fewer refill trips. Ask your prescriber to write a 90-day prescription with refills.
Check for manufacturer patient assistance
If Amantadine ER is a brand-name medication and you meet income thresholds, the manufacturer may offer a Patient Assistance Program (PAP) providing the drug at no cost. Programs typically require prescriber attestation and annual re-enrollment. Note: PAPs usually exclude Medicare patients due to federal anti-kickback rules.
Ask your prescriber about therapeutic alternatives
There may be a clinically similar medication in the same drug class at a lower price. For example, older members of a drug class often cost less than newer options while providing similar clinical outcomes for many patients. Never switch medications without prescriber approval — but a conversation costs nothing.
Amantadine ER Cost by US State
Amantadine ER cash prices vary state by state due to differences in wholesale networks, state-level PBM regulation, and pharmacy density. Below are typical Script Unlock verified pharmacy cash prices in the 12 largest states.
Generic vs Brand-Name Amantadine ER
Brand-name Amantadine ER typically costs 3–10x more than generic Amantadine Extended Release. The FDA requires generic medications to contain the same active ingredient at the same dose, undergo identical bioequivalence testing, and meet the same manufacturing quality standards as their brand-name counterparts.
For most patients, prescribers can write "Amantadine Extended Release" or add "substitution permitted" to the prescription, allowing the pharmacy to dispense the generic version. If you're currently paying brand-name prices, ask your prescriber if generic Amantadine Extended Release is clinically appropriate for your situation.
What Is Amantadine ER Used For?
Amantadine ER (Amantadine Extended Release) is a dopamine agonists/nmda antagonists medication commonly prescribed for:
This is not a complete list of uses. Only a licensed prescriber can determine if Amantadine ER is appropriate for your specific condition. Script Unlock does not provide medical advice.
Amantadine ER Cost — Frequently Asked Questions
How much does Amantadine ER cost without insurance?
Why do Amantadine ER prices vary so much between pharmacies?
Is generic Amantadine Extended Release available?
Can I get Amantadine ER without a prescription?
What is the cheapest pharmacy for Amantadine ER?
Does insurance cover Amantadine ER?
Can I use GoodRx or SingleCare for Amantadine ER?
Is it safe to buy Amantadine ER from an independent pharmacy?
Can Medicare patients save on Amantadine ER?
Do Amantadine ER prices change frequently?
Should I fill Amantadine ER at a mail-order pharmacy?
Are Amantadine ER manufacturer coupons or copay cards useful?
How do I get the price I see on Script Unlock?
Other Dopamine Agonists/NMDA Antagonists Medications
Drugs commonly used in the same clinical space as Amantadine ER. Always ask your prescriber before switching medications.