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


This treatment applies to the following species:
Company: Henry Schein® Animal Health

Euthanasia Solution


For Intravenous or Intracardiac Use.

Each mL contains: active ingredients: 390 mg pentobarbital sodium (barbituric acid derivative), 50 mg phenytoin sodium; inactive ingredients: 10% ethyl alcohol, 18% propylene glycol, 0.003688 mg rhodamine B, 2% benzyl alcohol (preservative), water for injection q.s. Sodium hydroxide and/or hydrochloric acid may be added to adjust pH.

Product Indications

SomnaSol is indicated for the humane euthanasia of dogs.


SomnaSol is a non sterile injectable solution labeled for the humane euthanasia of dogs.

SomnaSol Dosage And Administration

Use 1 ml per 10 pounds of body weight. IV injection is preferred but intracardiac administration can be used when IV application is impractical.

SomnaSol Caution

Federal law restricts this drug to use by or on the order of a licensed veterinarian.

Caution should be exercised to avoid contact of the drug with open wounds or accidental self-inflicted injections. Keep out of reach of children.

Euthanasia may sometimes be delayed in dogs with severe cardiac or circulatory problems.

Warning: For canine euthanasia only.

Must not be used for therapeutic purposes.

Do not use on animals intended for food.

ENVIRONMENTAL HAZARD: This product is toxic to wildlife. Birds and mammals feeding on treated animals may be killed. Euthanized animals must be disposed of properly by deep burial, incineration, or other method in compliance with state and local laws, to prevent consumption of carcass material by scavenging wildlife.

Use of Luer-Lock syringe is recommended to prevent separation. The calculated dose should be given as a single bolused injection.

Manufactured by a non-sterilizing process.

Store between 15° and 30°C (59° and 86°F).

100 mL Multiple Dose Vial


Distributed Exclusively by Henry Schein Animal Health, Dublin, OH 43017

CPN: 1082236.2

Telephone:   614-761-9095
Toll-Free:   1-855-724-3461
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Copyright © 2023 Animalytix LLC. Updated: 2023-02-28