The short version
Just 2 companies supply this market — thin enough that a single exit would be felt immediately. The price is up 10% over the past year, to $0.7351 per unit.
Market view
4 marketed package NDCs · 2 active manufacturers
Most dispensed: 150 mg; 300 mg · Tablet, Film Coated · #60 tablet, film coateds/bottle · 150 mg; 300 mg · Tablet · #60 tablets/bottle · 150 mg; 300 mg · Tablet, Film Coated · #500 tablet, film coateds/bottle
Just 2 companies supply this market — thin enough that a single exit would be felt immediately. The price is up 10% over the past year, to $0.7351 per unit.
Every company selling this drug reports its own price. The line follows the middle of the pack; the shaded band holds the middle half of companies — the wider it is, the more they disagree.
Latest · Sep 2026 — typical price $0.7351 · middle half $0.7351–$0.7351 · full range $0.7351–$0.7351 · 1 products · 2 companies
Each month's band spans the NADAC unit prices of every NDC of this drug (min, quartiles, median, max), split into brand and generic cohorts by FDA marketing category. Maker counts come from distinct labelers with the NDC actively listed.
Pipeline and calculations built by Claude (Fable 5) from the public datasets above. Educational only — verify against primary sources before acting.
Every detected change for lamivudine and zidovudine, newest first — price moves, shortages, recalls, and manufacturers entering or leaving. Detected by comparing each day’s federal data against the day before.
Other molecules FDA puts in Hepatitis B Virus Nucleoside Analog Reverse Transcriptase Inhibitor, with whether each is in shortage right now. Same class is not the same drug — substitution is a clinical decision, and this is a supply picture, not a recommendation.
Expand a strength to see its dosage forms, then package sizes, then each manufacturer and NDC. Click an NDC for its full detail page.