L-S 50

Manufacturer
Phibro Animal Health
Effective date
2026-01-22
Label type
PRESCRIPTION ANIMAL DRUG LABEL
Version
1
Source
full-release
Hydrated at
2026-06-01 02:45:48

Label at a glance#

ProductL-S 50
Active ingredientLINCOMYCIN HYDROCHLORIDE, SPECTINOMYCIN SULFATE TETRAHYDRATE
Label structure8 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.

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...

Storage and handling

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

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

 

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

Approved by FDA under NADA # 046-109

NET WT. 2.65 OZ (75.0 grams)

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.

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.

Important

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

Questions/Comments? For technical assistance or to obtain a Safety Data Sheet(s), contact Phibro Animal Health Corporation at 888-403-0074 or

www.pahc.com To report side effects, contact Phibro Animal Health at 1-888-475-7355. For additional information about reporting side effects for
animal drugs, contact FDA at 1-888-FDA-VETS or www.fda.gov/reportanimalae

Phibro, Phibro logo and L-S 50 Water Soluble are trademarks owned by or licensed to Phibro Animal Health Corporation or its affiliates.

 

Made in China
Distributed by:

Phibro Animal Health Corporation
Teaneck, NJ 07666

871-8016-02

PRINCIPAL DISPLAY PANEL - 75 g Bottle Label

PACKAGE LABEL.PRINCIPAL DISPLAY PANEL

L-S 50 Water Label
L-S 50 Water 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
66104-1108-1L-S 5075 g in 1 BOTTLE, PLASTICPOWDER, FOR SOLUTION751

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
66104-110866104-1108-1

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.