Companion Animals

Companion Cat Feline Herpesvirus Management

Feline herpesvirus causes recurrent upper respiratory disease and eye problems requiring long-term management rather than cure.

Key Facts

FHV-1 establishes latency in trigeminal ganglia and can reactivate throughout a cat's life
Stress is the primary trigger for virus reactivation causing respiratory and ocular signs
Lysine supplementation has limited evidence of efficacy despite widespread use
Antiviral eye drops and oral famciclovir reduce severity of active infections
Stress management and vaccination reduce reactivation frequency and severity

Welfare Considerations

Cats with FHV-1 experience recurrent episodes of eye and respiratory discomfort that can be debilitating during flares. The chronic, recurring nature means welfare management is lifelong rather than curative. Identifying and minimising stress triggers that cause reactivation - household changes, multi-cat conflict, boarding - reduces flare frequency. During active infection, appropriate antiviral and supportive care minimises the duration and severity of suffering.

What You Can Do

Identify and reduce stress triggers for cats with recurrent herpesvirus episodes
Use antiviral treatment during active eye and respiratory flares as directed by your vet
Ensure FHV-positive cats are protected from respiratory reinfection through vaccination