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Carbapenem Combinations WHO AWaRe: Watch Prescription only

Imipenem Cilastatin (Primaxin Iv) — Compare Prices at US & Canada Pharmacies

Compare real Imipenem Cilastatin prices at US and Canadian pharmacies, see official FDA uses and warnings, and find generic alternatives.

Generic name Imipenem Cilastatin
Also sold as
Primaxin Iv
Drug class
Carbapenem Combinations
Common forms
Injectable (reconstituted)
Generic available
Yes
Legal status
Prescription only

What is the typical out-of-pocket cost for Imipenem-Cilastatin without insurance?

Without health insurance, the average retail price for Imipenem-Cilastatin is approximately $302.55 per 12-pack of 500mg reconstituted solution vials at U.S. pharmacies. However, using a prescription discount card or coupon can lower the price to as low as $129.78 for the same quantity. Actual costs can vary depending on where you fill your prescription. Uninsured patients may find lower prices by using prescription discount programs or by comparing prices across multiple pharmacies in their area.

What will Imipenem-Cilastatin cost if I have insurance?

Insurance coverage and copayments for Imipenem-Cilastatin vary widely based on your specific plan, formulary, and whether your insurer requires prior authorization. To find out your exact out-of-pocket expense, contact your insurance provider directly or review your plan documents. If your coverage is limited or your copay is high, you may want to compare prices at different pharmacies or ask your doctor whether alternative treatments might be more cost-effective under your plan. Some patients with Medicare or Medicaid may also benefit from using a discount card if their plan does not fully cover the medication.

What is the brand-name version of Imipenem-Cilastatin?

Primaxin IV is the brand-name formulation of Imipenem-Cilastatin. Both contain the same active ingredients and work identically to treat bacterial infections. The generic version (Imipenem-Cilastatin) is typically significantly less expensive than the brand-name Primaxin IV, making it the more affordable option for most patients. With a discount card, the generic can be purchased for around $129.78 per 12-pack of 500mg reconstituted solution vials.

Imipenem Cilastatin prices at US pharmacies

Imipenem-Cilastatin — solution reconstituted, 500mg, qty 12

PharmacyRetail priceWith discount card
Walgreens Lowest $132.78 $129.78
CVS Pharmacy $140.81 $137.81
Publix $226.04 $223.04
Kroger Pharmacy $327.68 $324.68
Harris Teeter Pharmacy $327.68 $324.68
Walmart Neighborhood Market $352.37 $349.37
Walmart Pharmacy $352.37 $349.37

Primaxin Iv (Imipenem-Cilastatin) — solution reconstituted, 500-500mg, qty 2

PharmacyRetail priceWith discount card
Walgreens Lowest $132.78 $129.78
CVS Pharmacy $140.81 $137.81
Publix $226.04 $223.04
Kroger Pharmacy $327.68 $324.68
Harris Teeter Pharmacy $327.68 $324.68
Walmart Neighborhood Market $352.37 $349.37
Walmart Pharmacy $352.37 $349.37

Imipenem Cilastatin prices at Canadian pharmacies

No Canadian pharmacy pricing was found for Imipenem Cilastatin in our latest data pull.

Canada prices are converted to USD at time of collection and shown per tablet where available. Ordering from Canadian pharmacies is legal for personal use in most cases but subject to FDA/CBSA rules — see US vs Canada, explained.

What is Imipenem Cilastatin used for?

Imipenem-Cilastatin is a carbapenem combination antibiotic produced by Fresenius Kabi USA. The typical retail price for this medication is $302.55 per 12-pack of 500mg reconstituted solution vials. Imipenem-Cilastatin is available as a generic; Primaxin IV is its brand-name equivalent. Prices may vary significantly depending on your pharmacy, insurance coverage, and location.

Available forms

solution reconstituted

Related & alternative drugs

Warnings & interactions

This is a summary of the official FDA label text, not personalized medical advice. It does not list every possible interaction or side effect. Always tell your prescriber and pharmacist about every medicine and supplement you take.

Boxed warning

PHARMACY BULK PACKAGE - NOT FOR DIRECT INFUSION PHARMACY BULK PACKAGE - NOT FOR DIRECT INFUSION

Contraindications

4 CONTRAINDICATIONS Piperacillin and tazobactam for injection is contraindicated in patients with a history of allergic reactions to any of the penicillins, cephalosporins, or beta-lactamase inhibitors. Patients with a history of allergic reactions to any of the penicillins, cephalosporins, or beta-lactamase inhibitors. ( 4 )

Known drug interactions

7 DRUG INTERACTIONS Piperacillin and Tazobactam for Injection administration can significantly reduce tobramycin concentrations in hemodialysis patients. Monitor tobramycin concentrations in these patients. ( 7.1 ) Probenecid prolongs the half-lives of piperacillin and tazobactam and should not be co-administered with Piperacillin and Tazobactam for Injection unless the benefit outweighs the risk. ( 7.2 ) Co-administration of Piperacillin and Tazobactam for Injection with vancomycin may increase the incidence of acute kidney injury. Monitor kidney function in patients receiving Piperacillin and Tazobactam for Injection and vancomycin.

Pregnancy & breastfeeding

8.1 Pregnancy Risk Summary Piperacillin and tazobactam cross the placenta in humans. However, there are insufficient data with piperacillin and/or tazobactam in pregnant women to inform a drug-associated risk for major birth defects and miscarriage. No fetal structural abnormalities were observed in rats or mice when piperacillin/tazobactam was administered intravenously during organogenesis at doses 1 to 2 times and 2 to 3 times the human dose of piperacillin and tazobactam, respectively,…

Imipenem Cilastatin, by the numbers

Additional public data points beyond retail pricing — useful context, not a price quote.

$5.5M
Medicare Part D spend, 2024
11.0K
Medicare Part D claims, 2024
5
FDA-listed manufacturers (Orange Book)
$219.5
Federal (VA) contract price per pack (10)

Frequently asked questions

How much does Imipenem Cilastatin cost without insurance?
Retail (no-insurance) prices we found for Imipenem Cilastatin range up to about $352.37 depending on pharmacy, form, and quantity. With a free pharmacy discount card, the lowest price we found was $129.78. Your actual price depends on the exact strength, quantity, and pharmacy — see the tables above.
Is there a generic version of Imipenem Cilastatin?
Yes — our pricing data includes at least one generic listing for Imipenem Cilastatin. Generics contain the same active ingredient and are typically the lowest-cost option; check the price tables above for the generic rows specifically.
What drug class is Imipenem Cilastatin in?
Imipenem Cilastatin belongs to the carbapenem combinations class of antibiotics. WHO classifies it as an 'Watch' antibiotic under its AWaRe stewardship framework.

Sources

Page info

Prices last checked 2026-08-21. Reviewed against FDA and DailyMed official sources — see our review process. Not a substitute for professional medical advice.