How much does Duopa cost without insurance?

Live cash prices for Duopa 4.63/20 mg/mL are verified within the last 72 hours — see the table above for the current cheapest source.

What pharmacy has the cheapest Duopa?

Cost Plus Drugs and Costco typically have the lowest cash price for generic Carbidopa/Levodopa. CVS and Walgreens are the most expensive. Exact rankings update live above.

Which pharmacy has the cheapest Duopa in 2026?

Publix Pharmacy currently has the lowest verified cash price for Duopa (Carbidopa/Levodopa) at $0.00. Cost Plus Drugs and Costco are consistently the cheapest US pharmacies for most generics.

Is CVS or Walgreens cheaper for Duopa?

Neither — both are typically 30–60% more expensive than Cost Plus or Costco. CVS and Walgreens consistently rank as the most expensive cash-pay pharmacies for Carbidopa/Levodopa.

How often do these prices change?

BetterBuyRx refreshes prices at minimum every 72 hours from public retail price feeds. Mail-order partners like Cost Plus and Amazon Pharmacy can change daily.

Neurology

Duopa

Name: Duopa 4.63/20 mg/mL (Carbidopa/Levodopa)
Brand: Duopa
SKU: duopa
Availability: InStock

Carbidopa/Levodopa · 4.63/20 mg/mL · suspension · qty 90

Neurological disorder treatment.

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Live verified prices

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Common uses & information

Duopa is a brand of Carbidopa/Levodopa, a neurology medication supplied as suspension in a 4.63/20 mg/mL strength. It is commonly used for neurological disorder treatment.

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Price summary

Form	Class	Brand avg	Generic avg	Savings
suspension 4.63/20 mg/mL	Rx	$7017.26	see live prices above	—

Clinical information

Clinical content reviewed by the BetterBuyRx clinical team. Read the full wiki entry and sources →

Manufacturer & patient assistance programs

For patient assistance, check NeedyMeds and RxAssist.

Other brands of Carbidopa/Levodopa

Same active ingredient, different brand. Compare prices.

Sinemet
25 mg / 100 mg · tablet
from $22.00

FAQ

Is generic Carbidopa/Levodopa the same as Duopa?

Yes. The FDA requires generics to contain the same active ingredient at the same strength as the brand. Inactive ingredients (binders, dyes) may differ.

How much can I save by choosing the generic?

Currently no FDA-approved generic equivalent exists for Duopa, so the brand and generic prices are similar.

Do I need insurance to get this price?

No. The prices shown on BetterBuyRx are cash prices. Often these beat insurance copays for generics.

How often is this price updated?

At minimum every 72 hours. Many sources refresh every few hours.

Related medications

Compare Duopa with other options and see the generic price.

See generic Carbidopa/Levodopa prices →

Cheapest Duopa alternatives

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Information for general comparison only. Not medical advice. Confirm with your pharmacist.