← Back to Isoniazid
Isoniazid 100 mg
Generic for: Nydrazid · NDC: 0555-0066-02
💰 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
| Drug | Per-unit cost | 30-day supply |
|---|---|---|
| generic — isoniazid 300 MG Oral Tablet← cheapest | $3.23 / EA | $96.88 |
📈 Price History (last 12 months)
▲ +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.