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Hydrochlorothiazide (microzide) production cost?

See the DrugPatentWatch profile for Hydrochlorothiazide

Hydrochlorothiazide (HCTZ) – a “generic” thiazide diuretic
(brand name Microzide in the U.S.) is one of the most‑produced oral medications in the world. Because it’s an older, well‑established drug, the cost of manufacturing it is relatively low compared with newer specialty agents. Below is a high‑level look at what drives that cost and an approximate, “ball‑park” estimate of what a typical manufacturer might charge for a finished tablet.

1. Key cost drivers

Driver What it means Typical impact on cost
Raw material cost The cost of the active pharmaceutical ingredient (API) – hydrochloro‑thiazide base – plus excipients (filler, binder, lubricant, coating, etc.). 40‑60 % of total cost. The API is inexpensive (< $1/kg at large scale).
Process & synthesis Multi‑step synthesis (often 3‑4 steps: nitration, sulfonation, condensation, etc.). Includes reagents, solvents, energy, and waste‑treatment. 20‑30 % of cost. Once a robust, high‑yield route is established, the process cost stays relatively flat.
Scale‑up & capacity Large‑scale continuous or batch plants (thousands of kg/year) reduce per‑unit overhead. 10‑20 % of cost. Small producers may pay more per tablet.
Quality & compliance Good Manufacturing Practice (GMP) inspections, stability studies, analytical testing. 5‑10 % of cost. For generics, regulatory burden is lower than for new drugs but still non‑negligible.
Packaging & labeling Blister packs, bottles, labels, child‑proof caps, etc. 5‑10 % of cost.
Overheads (admin, R&D, marketing) Even generic manufacturers allocate a portion of corporate overhead to each product. 5‑15 % of cost.

2. Rough cost estimate per tablet

Strength Approx. manufacturing cost per 25 mg tablet Approx. retail price (U.S.)
25 mg $0.08 – $0.18 $10 – $30 (depending on pharmacy and insurance coverage)
50 mg $0.10 – $0.20 $20 – $50
100 mg $0.12 – $0.25 $40 – $100

Why the difference?

  • Economies of scale: A large producer (e.g., Teva, Mylan, or Novartis) can push the per‑tablet cost down to the low‑$0.08 range.
  • Regional variations: In India or China, production cost may dip to ~$0.05 per tablet due to lower labor and regulatory costs.
  • Batch size: A 10 kg batch is cheaper per tablet than a 1 kg batch because fixed overheads (clean‑room, equipment, staff) are spread over more units.

These figures are generic industry estimates. The actual cost to a specific manufacturer will depend on plant efficiency, local operating costs, and whether the API is sourced from an in‑house synthesis or purchased wholesale.

3. How the cost translates to the market

  • Margin for manufacturers: The typical margin on a generic HCTZ tablet is 15‑30 %, meaning the manufacturer earns roughly $0.02‑$0.06 per tablet in gross profit.
  • Retail price drivers: Pharmacy dispensing fees, insurance reimbursement, and competitive pricing can push the final retail price up several times the manufacturing cost.
  • Bulk sales: Hospital formularies or large pharmacy chains often negotiate lower per‑tablet prices (e.g., $0.04–$0.07 per tablet) because they purchase in very large volumes.

4. Bottom line

  • The production cost of a Hydrochlorothiazide tablet is typically between $0.08 and $0.25 per tablet, with the lower end achievable only at high scale and in low‑cost regions.
  • The retail price in the U.S. is usually $10‑$30 for a 25‑mg tablet and can climb to $50‑$100 for higher doses, reflecting pharmacy margins, insurance contracts, and distribution costs.

If you need a more precise number for a specific contract or production line, the best source is the manufacturer’s internal cost accounting or a confidential market‑research report. Generic manufacturers usually keep those figures proprietary. Nonetheless, the ranges above should give you a reasonable sense of how cheap it actually is to produce a commonly used diuretic.



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