Penicillin G Benzathin

Injection · trading as Lentocilin

Current Active — Day 1114 FDA record updated 04/30/2026

High impact — Only one manufacturer supplies this drug; any disruption leaves no immediate alternative source.

Editor of record: Branmoor Editorial · [email protected]

FDA shortage record

Substance

Penicillin G Benzathin

Brand name

Lentocilin

Manufacturers / suppliers

LABORATRIOS ATRAL, S.A.
Laboratorios Atral

2 known suppliers in current FDA data

Dosage form

Injection

Presentation

Lentocilin, Injection, 1200000 U/4 mL (NDC 84383-110-01)

Route(s)

INTRAMUSCULAR

Therapeutic category

Anti-Infective

Package NDC

84383-110-01

Initially posted

04/26/2023

Days on shortage list

1114

Current FDA status

Current

Shortage entries (current dataset)

1 record for Penicillin G Benzathin

Why this shortage matters

Anti-infective drugs — antibiotics, antivirals, and antifungals — treat bacterial, viral, and fungal infections. A shortage can delay care for serious hospital-acquired or opportunistic infections, where drug choice and timing directly affect patient outcomes.

FDA therapeutic class: Anti-Infective

Manufacturer contact

Per the FDA record, the manufacturer's contact for supply inquiries is Mark Cuban Cost Plus Drug Company: 682-428-8081.

If you're affected by this shortage

Talk to your prescribing clinician or pharmacist about therapeutic alternatives. Do not switch medications on your own.
Ask your pharmacy to check supply across multiple wholesalers and other branches.
Check current pharmacy pricing and availability via GoodRx (affiliate link).
Report a continuing supply problem to FDA via the FDA Drug Shortages contact form.

Sources

FDA Drug Shortages database, accessed via the openFDA Drug Shortages API.
FDA Structured Product Label (SPL set ID 1a4e5124-618b-ce44-e063-6394a90a43e3).
FDA UNII identifier: RIT82F58GK.
See the Drug Shortage Tracker methodology for sourcing, update cadence, normalization rules, and limits.

Important

This page reproduces publicly available FDA shortage data for informational purposes only. It is not medical advice and does not establish a clinician-patient relationship. Shortage status changes frequently; verify directly with your pharmacist or the FDA Drug Shortages site before making any treatment decision.