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Isoniazid pill

Isoniazid 100 mg

NDC: 00555-0066-02

💰  Pharmacy Cost Benchmark

$1.70 / tablet

30-day estimate: $51.14 · 90-day: $153.42

Source: NADAC (CMS) · Effective: 2026-05-20

Estimated fair retail range

$76.70 – $153.41

For a typical 30-day supply (1 unit/day).

🔄  Compare Alternatives

DrugPer-unit cost30-day supply
genericisoniazid 300 MG Oral Tablet← cheapest$3.23 / EA$96.88

📈  Price History (last 12 months)

$1.7045/EA$0.0663/EANov 2013May 2026

▲ +341.2% since Nov 2013

⚠️  Important

  • NADAC reflects pharmacy acquisition cost, not your out-of-pocket cost.
  • Actual prices vary by pharmacy, insurance, and location.
  • This is not medical advice. Always consult your pharmacist.