Drug profile

The FDA adverse-event record for Feline Calicivirus, Strain F-9, Passage 7, Lot A;Feline Chlamydia Psittaci, Stra

25 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Feline Calicivirus, Strain F-9, Passage 7, Lot A;Feline Chlamydia Psittaci, Stra. See the species affected, top reactions, and outcomes below.

25
adverse-event reports
4.0%
death-coded share
Cat
most-reported species
19
Fever - top reaction
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Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
25
Total Reports
1
Deaths Reported
4.0%
Death Rate

Active Ingredients

Feline Calicivirus, Strain F-9, Passage 7, Lot A;Feline Chlamydia Psittaci, Stra

Administration Routes

Subcutaneous

Species Affected

Cat 25

Most Affected Breeds

Domestic Shorthair 17
Bengal 2
Domestic Mediumhair 2
Domestic Longhair 2
Maine Coon 1
Cat (unknown) 1

Most Reported Reactions

Fever 19
Lethargy (see also Central nervous system depression in Neurological) 14
Intentional misuse 12
Anorexia 7
Not eating 6
Weight loss 5
Vomiting 5
Anaemia NOS 4
Elevated globulins 4
Lameness 4
Not himself/herself 4
Not drinking 3

Outcome Breakdown

Recovered/Normal
12 (48.0%)
Ongoing
9 (36.0%)
Outcome Unknown
3 (12.0%)
Died
1 (4.0%)

Feline Calicivirus, Strain F-9, Passage 7, Lot A;Feline Chlamydia Psittaci, Stra Adverse Event Insights

25 reports name Feline Calicivirus, Strain F-9, Passage 7, Lot A;Feline Chlamydia Psittaci, Stra; 1 recorded a death outcome (4.0% of reported events, not a population-level mortality rate). Active ingredient: Feline Calicivirus, Strain F-9, Passage 7, Lot A;Feline Chlamydia Psittaci, Stra. Administration route: Subcutaneous.

By species: Cat (25 reports). By breed: Domestic Shorthair (17), Bengal (2), Domestic Mediumhair (2).

Leading clinical signs: Fever (19), Lethargy (see also Central nervous system depression in Neurological) (14), Intentional misuse (12), Anorexia (7). Outcome, 25 coded reports: Recovered/Normal leads at 48.0%.

Read these counts as reporting volume, not risk: per our methodology, a widely-prescribed drug will rack up more raw FDA reports in a given year than a rarely-used one at an identical true rate, so we recommend comparing within similar-exposure products rather than across the full 2025 catalog.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

Every figure on PlainBreed is rendered directly from FDA openFDA adverse event data, no number is typed in by an editor. This page draws directly on FDA openFDA data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.