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This page contains information on Parapac for veterinary use.
The information provided typically includes the following:
  • Parapac Indications
  • Warnings and cautions for Parapac
  • Direction and dosage information for Parapac


This treatment applies to the following species:
Manufacturer: Intervet/Merck Animal Health

Haemophilus Parasuis Bacterin

Contains chemically-inactivated cultures of Haemophilus parasuis.

For use in healthy swine 9-10 days of age or older as an aid in the prevention of Glasser’s disease caused by Haemophilus parasuis.

Administration And Dosage

Shake well. Using aseptic technique, inject sows/gilts with 1 mL subcutaneously 6 to 7 weeks and 2 to 3 weeks prior to first farrowing, and 2 to 3 weeks prior to each subsequent farrowing. Inject piglets with 1 mL subcutaneously at 9-10 days of age and booster 2-4 weeks later.

Parapac Caution

For veterinary use only. Store at 2°-7°C (35°-45°F). Do not freeze. Use entire contents when first opened. Do not vaccinate within 21 days of slaughter. Transient local reaction may occur at the injection site. If allergic response occurs, administer epinephrine.


Amphotericin B, gentamicin and thimerosal.

U.S. Veterinary License No. 165A

Schering-Plough Animal Health Corp., Omaha, Nebraska 68103 USA

1 800 211-3573 (USA)

Copyright © 1992, 2001

Schering-Plough Animal Health Corp.

All rights reserved.





50 mL

50 Doses



100 mL

100 Doses



Nac No.

556 MORRIS AVE., SUMMIT, NJ, 07901
Telephone:   862-245-4321
Order Desk:   800-648-2118
Fax:   862-245-4935
Customer Service:   800-521-5767
Website:   www.intervet.com
Every effort has been made to ensure the accuracy of the Parapac information published above. However, it remains the responsibility of the readers to familiarize themselves with the product information contained on the US product label or package insert.

Copyright © 2015 North American Compendiums. Updated: 2014-12-03