CAI
Clinical Asset Index
by VOS Supply Group
Drugs · acquisition-cost intelligence

sulfamethoxazole and trimethoprim

· ingredient sulfamethoxazoleCombinations of sulfonamides and trimethoprim, incl. derivatives· SULFAMETHOXAZOLE 200 mg/5mL; TRIMETHOPRIM 40 mg/5mL; SULFAMETHOXAZOLE 800 mg/20mL; TRIMETHOPRIM 160 mg/20mL
What this is. Acquisition-cost intelligence for pharmacy & clinic buyers — the historical trend, generic-equivalent costs, and Part D posture. NADAC is a pharmacy acquisition cost (the national average pharmacies pay), not a retail or cash price — for consumer cash prices use GoodRx/your plan.
Acquisition benchmark · NADAC per ML
$0.05660
NADAC — pharmacy acquisition cost, not a retail/cash price

Acquisition-cost history

Weekly NADAC per ML — the trend nobody else shows. 6 weeks.

2025-12-172026-05-20

Same-ingredient options by acquisition cost

Other sulfamethoxazole products, cheapest acquisition cost first. Per ML — confirm strength/form equivalence before switching.

ProductNADAC / MLvs this
Bactrim$0.04286−$0.01370
Sulfamethoxazole and Trimethoprim DS$0.04619−$0.01040
SULFATRIM$0.05660+$0.00000

Medicare Part D coverage · CY2026

On 327 plan formularies · typical tier 2
Prior auth 0% · Step therapy 0% · Quantity limit 0% of formularies

Sources: CMS NADAC (pharmacy acquisition cost), FDA NDC + RxNorm (identity), RxClass (therapeutic class), CMS Medicare Part D formulary (coverage). Observed reference data for professional buyers — not a retail/cash price, not pricing or medical advice. Verify before purchasing or substituting.