L-S 50

Manufacturer
Zoetis Inc.
Effective date
2023-12-01
Label type
PRESCRIPTION ANIMAL DRUG LABEL
Version
6
Source
full-release
Hydrated at
2026-06-01 02:42:34

Label at a glance#

ProductL-S 50
Active ingredientLINCOMYCIN HYDROCHLORIDE, SPECTINOMYCIN SULFATE TETRAHYDRATE
Label structure4 sections

Indications and uses

For use in chickens up to 7 days of age as an aid in the control of: Airsacculitis caused by either Mycoplasma synoviae or Mycoplasma gallisepticum susceptible to lincomycin-spectinomycin. Complicated Chronic Respiratory Disease (Air Sac Infection) caused by Escherichia coli and M. gallisepticum susceptible to lincomycin-spectinomycin. Complicated Chronic Respiratory Disease (Air Sac Infection) caused by Escherich...

Dosage and administration

  Provide 2 grams (g) antibiotic activity per gallon of drinking water. Administer as the sole source of water for the first 5 to 7 days of life. Amount of L-S 50 Amount of Drinking Water  1 bottle  25 gallons  For proportioners delivering 1 ounce of solution per gallon of drinking water, dissolve contents of 5 bottles in each gallon of proportioner solution. Important: Chickens should consume water at the followi...

Label contents#

Full prescribing information#

SPL UNCLASSIFIED SECTION

L-S 50
WATER SOLUBLE® POWDER
lincomycin-spectinomycin
Antibacterial and Antimycoplasmal

CAUTION: Federal law restricts this drug to use by or on the order of a licensed veterinarian.
FOR USE IN CHICKENS ONLY

INDICATIONS AND USAGE

VETERINARY INDICATIONS SECTION

For use in chickens up to 7 days of age as an aid in the control of: Airsacculitis caused by either Mycoplasma synoviae or Mycoplasma gallisepticum susceptible to lincomycin-spectinomycin. Complicated Chronic Respiratory Disease (Air Sac Infection) caused by Escherichia coli and M. gallisepticum susceptible to lincomycin-spectinomycin.

Complicated Chronic Respiratory Disease (Air Sac Infection) caused by Escherichia coli and M. gallisepticum susceptible to lincomycin-spectinomycin.

DOSAGE AND ADMINISTRATION

DOSAGE & ADMINISTRATION SECTION

Dosage

SPL UNCLASSIFIED SECTION

 Provide 2 grams (g) antibiotic activity per gallon of drinking water. Administer as the sole source of water for the first 5 to 7 days of life.

Administration

SPL UNCLASSIFIED SECTION

Amount of L-S 50Amount of Drinking Water
 1 bottle 25 gallons
 For proportioners delivering 1 ounce of solution per gallon of drinking water, dissolve contents of 5 bottles in each gallon of proportioner solution.

INFORMATION FOR OWNERS/CAREGIVERS SECTION

Important: Chickens should consume water at the following approximate rate to insure intake of the required dose of lincomycin-spectinomycin indicated:

Broilers and Layer Replacements (Light and Heavy)
Age
(Weeks)
Daily Water Intake
Gallons/1000
Dosage
mg Antibiotic/lb
 1 5 50-65

PRECAUTION

PRECAUTIONS SECTION

Discard medicated drinking water daily and replace with fresh medicated drinking water.

WARNING

WARNINGS SECTION

Not for human use.

Storage

STORAGE AND HANDLING SECTION

Store at Controlled Room Temperature 20° to 25° C (68° to 77° F).

SAFE HANDLING WARNING SECTION

Restricted Drug (California)-Use Only as Directed

Made in China
Distributed by: Zoetis Inc.
Kalamazoo, MI 49007

500809
40039820

PRINCIPAL DISPLAY PANEL - 75 g Bottle Label

PACKAGE LABEL.PRINCIPAL DISPLAY PANEL

TAKE TIME
OBSERVE LABEL
DIRECTIONS

This bottle contains:

Lincomycin hydrochloride, equivalent to
lincomycin
16.7 grams

Spectinomycin sulfate tetrahydrate,
equivalent to spectinomycin
33.3 grams

Total Antibiotic Activity
50.0 grams

zoetis

Approved by FDA under NADA # 046-109

PEEL FROM THE RIGHT
FOR SPANISH LANGUAGE

NET WT. 2.65 OZ
(75.0 grams)

L-S 50 Label
L-S 50 Label

DailyMed Product Concepts#

Product concept, Relation, Version table
Product conceptRelationVersionEffective
673b6365-42b3-455d-b9d1-7358f1db4536Product name420231212

DailyMed Package Descriptions#

Package NDC, Product, Description table
Package NDCProductDescriptionFormQuantityStrengthSPL version
54771-1108-1L-S 5075 g in 1 BOTTLE, PLASTICPOWDER, FOR SOLUTION756

DailyMed Dashboard NDC Coverage#

NDC, Dashboard title, SPL version table
NDCDashboard titleSPL versionValidationDashboard ZIP
54771-1108L-S 50 (LINCOMYCIN HYDROCHLORIDE AND SPECTINOMYCIN SULFATE TETRAHYDRATE) POWDER, FOR SOLUTION [ZOETIS INC.]61 package rows20231202_ae3a3afa-debf-44d1-8378-d3227e3d0488.zip

DailyMed Socrata Ingredients#

Ingredient, Type, UNII table
IngredientTypeUNIISPL versionUploaded
LINCOMYCIN HYDROCHLORIDEACTIVE INGREDIENTM6T05Z2B681
spectinomycin sulfate tetrahydrateACTIVE INGREDIENTYS91P549181
LincomycinACTIVE MOIETYBOD072YW0F1
spectinomycinACTIVE MOIETY93AKI1U6QF1

Products#

Every source-derived product name is available through these pages.

DailyMed product names page 1 of 1 · 6 matching rows.

NDC Codes#

Product NDC, Package NDC table
Product NDCPackage NDC
54771-110854771-1108-1

Ingredients#

Every source-derived ingredient row is available through these pages.

DailyMed ingredient rows page 1 of 1 · 2 matching rows.

Source Document#

Source XML

openFDA label cross-check#

OpenFDA label data provides additional search and identifier links. DailyMed’s Structured Product Label is the canonical label on FDA.report. Matching records are deduplicated before they are shown below.

Matched openFDA labels page 1 of 1 · 6 matching rows.

Brand, Generic, Manufacturer table
BrandGenericManufacturerSPL set IDEffective dateAvailable safety fieldsJoin
LINCOMYCINLINCOMYCIN HYDROCHLORIDEHenry Schein, Inc.a7692968-7ac8-48ab-89a4-27c7803e31f42025-10-31Boxed warning, Warnings, Adverse reactionsName fallback
generic name: LINCOMYCIN HYDROCHLORIDE
LincocinLINCOMYCIN HYDROCHLORIDEPharmacia & Upjohn Company LLCc01906fa-2c73-4c13-9765-2fd06628d2632025-03-10Boxed warning, Warnings, Adverse reactionsName fallback
generic name: LINCOMYCIN HYDROCHLORIDE
LincomycinLINCOMYCIN HYDROCHLORIDEPAI Holdings, LLC dba PAI Pharma23f9608c-3126-35db-e063-6294a90af0542024-10-08Boxed warning, Warnings, Adverse reactionsName fallback
generic name: LINCOMYCIN HYDROCHLORIDE
LincomycinLINCOMYCIN HYDROCHLORIDESagent Pharmaceuticals75e149cc-b668-427e-bae7-a0d215e4fb7a2023-03-20Boxed warning, Warnings, Adverse reactionsName fallback
generic name: LINCOMYCIN HYDROCHLORIDE
LincomycinLINCOMYCIN HYDROCHLORIDEXGen Pharmaceuticals DJB, Inc.61f4851d-d919-400d-912a-05eb9dca11d42022-10-14Boxed warning, Warnings, Adverse reactionsName fallback
generic name: LINCOMYCIN HYDROCHLORIDE
lincomycin hydrochlorideLINCOMYCIN HYDROCHLORIDEGland Pharma Limitedc2b5be20-cc6f-4221-9d3e-3f8b5886cd052022-09-28Boxed warning, Warnings, Adverse reactionsName fallback
generic name: LINCOMYCIN HYDROCHLORIDE

Reported adverse events (FAERS/openFDA)#

Adverse event summaries are temporarily unavailable. Other product information remains available.