Schedule IV Controlled Substance – Secure handling required
The first and only FDA-approved phenobarbital tablet in the USA
Hope for dogs with idiopathic epilepsy
FIDOQUEL®-CA1 (phenobarbital tablets) are indicated for the control of seizures associated with idiopathic epilepsy in dogs.¹
A Purpose-Built Phenobarbital for Dogs
FIDOQUEL-CA1 is conditionally approved by the FDA pending a full demonstration of effectiveness under application number 141-578.

Predictable effectiveness
*Based on eight studies for a total of 311 dogs. 15% of dogs did not improve.

Professional Recognition
**ACVIM=American College of Veterinary Medicine; IVETF= International Veterinary Epilepsy Task Force

Formulated with purpose

Available in 15–100 mg strengths

Twice-daily dosing with food

Beef-flavored tablets coming soon
FIDOQUEL-CA1 allows titration based on individual clinical response, giving you the flexibility to adjust therapy for seizure control and safety.
Practical Benefits for Your Practice
Eliminate Human Drug Workarounds
Improve Client Conversations
Expert Support When You Need It
For use in dogs only
Lead the Way in Canine Seizure Control
To purchase FIDOQUEL-CA1, please contact your veterinary distributor.
IMPORTANT SAFETY INFORMATION
Contraindicated in dogs with a history of hypersensitivity to phenobarbital.
Do not use in pregnant or lactating dogs due to risk of congenital malformations during fetal development and accumulation in the milk of lactating dogs. Safety in dogs that are intended for breeding, pregnant or lactating, or <6 months of age has not been established. Not for use in cats.
Monitor therapeutic, biochemical, hematology parameters, and adverse reactions, especially with concomitant medications and dose adjustments. Dogs with decreased liver function may be predisposed to phenobarbital toxicosis.
Not for use in humans. Due to risks of developmental effects, women who are pregnant or may become pregnant should handle and administer with caution. In case of accidental ingestion, skin reaction, or mucous membrane or eye exposure, contact a physician immediately and rinse exposed area thoroughly.
Keep out of reach of children and animals.
Drug Abuse, Addiction, and Diversion: Contains phenobarbital, a Schedule IV controlled substance with potential for abuse, misuse, addiction, and diversion. Store in a locked cabinet according to federal and state requirements.
See Prescribing Information for complete product details.
References:
1. FIDOQUEL-CA1 [prescribing information]. Allentown, PA: Genus Lifesciences Inc.; 2025.
FIDOQUEL-CA1 and its associated logo are trademarks of Genus Lifesciences, Inc. © 2026 Genus Lifesciences, Inc. All rights reserved. FID-0801-0009 02/2026