Active ingredient
Penicillin G
31 finished FDA listings contain Penicillin G as their only active ingredient; 6 combination products also contain it.
FDA NDC Directory
- Ingredient names as written by FDA
- PENICILLIN G, PENICILLIN G BENZATHINE, PENICILLIN G POTASSIUM, PENICILLIN G PROCAINE, PENICILLIN G SODIUM
- Dosage forms
- Injection, Powder, For Solution, Injection, Powder, For Suspension, Injection, Solution, Injection, Suspension, Powder, For Solution
- Routes
- Intramuscular, Intrapleural, Intrathecal, Intravenous
- Manufacturers / labelers
- 12
- Strengths listed
- 1000000 [iu]/1 · 1200000 [iu]/2ml · 1200000 u/4ml · 2000000 [iu]/50ml · 20000000 [iu]/1 · 2400000 [iu]/4ml · 3000000 [iu]/50ml · 5000000 [iu]/1 · 5000000 [usp'u]/1 · 600000 [iu]/ml
- Brand names in FDA listings
- Bicillin L-A, Lentocilin, Penicillin G Potassium, Pfizerpen
RxNorm (National Library of Medicine)
Ingredient concept RxCUI 7980
Drugs@FDA applications
Linked only where the FDA listing’s application number matches Drugs@FDA exactly. A listing in the NDC Directory does not by itself mean FDA approval.
| Application | Sponsor | Original approval | Listings |
|---|---|---|---|
| NDA 050141 | KING PHARMS LLC | 1952-06-27 | 4 |
| ANDA 060657 | PFIZER | 1968-08-30 | 6 |
| NDA 050638 | BAXTER HLTHCARE | 1990-06-25 | 2 |
| ANDA 065068 | SANDOZ | 2001-02-26 | 1 |
| ANDA 065079 | SANDOZ | 2002-08-30 | 2 |
| ANDA 065149 | HQ SPECLT PHARMA | 2009-07-23 | 1 |
| ANDA 065448 | ACS DOBFAR SPA | 2009-08-18 | 11 |
Official labeling on DailyMed
- PENICILLIN G POTASSIUM (PENICILLIN G) INJECTION, SOLUTION [BAXTER HEALTHCARE CORPORATION] · version 20 · 2026-07-28
- BICILLIN L-A (PENICILLIN G BENZATHINE) INJECTION, SUSPENSION [PFIZER LABORATORIES DIV PFIZER INC] · version 35 · 2026-07-24
- PENICILLIN G POTASSIUM INJECTION, POWDER, FOR SOLUTION [HF ACQUISITION CO LLC, DBA HEALTHFIRST] · version 1 · 2026-07-17
- PENICILLIN G POTASSIUM INJECTION, POWDER, FOR SOLUTION [HF ACQUISITION CO LLC, DBA HEALTHFIRST] · version 1 · 2026-05-04
- PFIZERPEN (PENICILLIN G POTASSIUM) POWDER, FOR SOLUTION [ROERIG] · version 21 · 2025-12-17
- PENICILLIN G POTASSIUM INJECTION, POWDER, FOR SOLUTION [AVENACY INC.] · version 1 · 2025-02-03
- PENICILLIN G POTASSIUM INJECTION, POWDER, FOR SOLUTION [ATHENEX PHARMACEUTICAL DIVISION, LLC.] · version 3 · 2025-01-30
- PFIZERPEN (PENICILLIN G POTASSIUM) POWDER, FOR SOLUTION [ROERIG] · version 9 · 2024-12-16
- PFIZERPEN (PENICILLIN G POTASSIUM) POWDER, FOR SOLUTION [ROERIG] · version 26 · 2024-12-13
- PENICILLIN G POTASSIUM INJECTION, POWDER, FOR SOLUTION [SAGENT PHARMACEUTICALS] · version 2 · 2024-12-09
- PENICILLIN G POTASSIUM INJECTION, POWDER, FOR SOLUTION [NORTHSTAR RX, LLC] · version 2 · 2024-07-01
- LENTOCILIN (PENICILLIN G BENZATHIN) INJECTION, POWDER, FOR SUSPENSION [LABORATÓRIOS ATRAL, S.A.] · version 1 · 2024-06-14
Showing the 12 most recent of 15 labels.
Sources: FDA NDC Directory (2026-09-29), RxNorm, Drugs@FDA, DailyMed. Each source’s facts are shown separately as published.