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Sulfamethoxazole and Trimethoprim

NDC 51655-188 · Northwind Health Company, LLC

Generic nameSulfamethoxazole and Trimethoprim
Dosage formTABLET
RouteORAL
Active ingredient(s)SULFAMETHOXAZOLE, TRIMETHOPRIM
Strength800; 160 mg/1; mg/1
Pharmacologic classCytochrome P450 2C8 Inhibitors [MoA], Cytochrome P450 2C9 Inhibitors [MoA], Dihydrofolate Reductase Inhibitor Antibacterial [EPC], Dihydrofolate Reductase Inhibitors [MoA], Organic Cation Transporter 2 Inhibitors [MoA], Sulfonamide Antimicrobial [EPC], Sulfonamides [CS]
Marketing categoryANDA

Packages

51655-188-20 — 20 TABLET in 1 BOTTLE, PLASTIC (51655-188-20)

51655-188-53 — 10 TABLET in 1 BOTTLE, PLASTIC (51655-188-53)

51655-188-84 — 14 TABLET in 1 BOTTLE, PLASTIC (51655-188-84)

51655-188-87 — 6 TABLET in 1 BOTTLE, PLASTIC (51655-188-87)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

50090-5682 — Sulfamethoxazole and Trimethoprim, 50090-6901 — Sulfamethoxazole and Trimethoprim, 50090-6902 — Sulfamethoxazole and Trimethoprim, 50090-6904 — Sulfamethoxazole and Trimethoprim, 50090-7008 — Sulfamethoxazole and Trimethoprim, 50090-7393 — Sulfamethoxazole and Trimethoprim, 50090-7399 — Sulfamethoxazole and Trimethoprim, 50090-7836 — Sulfamethoxazole and Trimethoprim, 50268-728 — Sulfamethoxazole and Trimethoprim, 51407-738 — Trimethoprim, 51655-307 — Sulfamethoxazole and Trimethoprim, 53489-145 — Sulfamethoxazole and Trimethoprim, 53489-146 — Sulfamethoxazole and Trimethoprim, 53746-271 — Sulfamethoxazole and Trimethoprim, 53746-272 — Sulfamethoxazole and Trimethoprim, 54348-625 — SULFAMETHOXAZOLE, TRIMETHOPRIM, 55154-2580 — Sulfamethoxazole and Trimethoprim, 55154-7895 — Sulfamethoxazole and Trimethoprim, 55700-611 — Sulfamethoxazole and Trimethoprim, 57237-232 — Sulfamethoxazole and Trimethoprim, +87 more

From the FDA National Drug Code Directory, retrieved August 24, 2026. Product listings are submitted by labelers; FDA does not verify them.

Read from: FDA National Drug Code Directory, product.txt and package.txt (accessdata.fda.gov/cder/ndctext.zip) — Snapshot retrieved 2026-08-24, loaded 2026-08-24; CMS Medicare Part B Drug Average Sales Price (ASP) Pricing Files (cms.gov/medicare/payment/part-b-drugs/asp-pricing-files) -- the NDC-HCPCS crosswalk and Part B payment limit files — 2026 Q3 (July 2026 release). All data sources · How to read the labels