Drug profile

The FDA adverse-event record for Terbinafine Hcl

58 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Terbinafine Hcl. Species, reactions, and outcomes follow.

#1032 of 2,679
by report volume (all drugs)
58
adverse-event reports
10.3%
death-coded share
Dog
most-reported species

Corpus placement

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Terbinafine Hcl ranks #1025 of 2679 by total reports (58) and #531 of 1130 by death-coded share (10.3%). National dual: Milbemycin Oxime + Spinosad is #1 of 2679 drugs by total adverse-event reports (149,624) at death-coded-share rank 965 of 1130 drugs with at least 50 reports (2.3%); separately, Atlantic Salmon Transgenic Whole (Opafp-Ghc2 Rdna Construct Inserted Into The A-Locus In The Eo-1A Lineage) is #1 highest death-coded share at 97.8% (report rank #821).

149,624
Milbemycin Oxime + Spinosad reports (#1)
97.8%
Atlantic Salmon Transgenic Whole (Opafp-Ghc2 Rdna Construct Inserted Into The A-Locus In The Eo-1A Lineage) death share (#1)
#1025
This drug, reports of 2679
#531
This drug, death share of 1130

Report volume reflects how common a breed or drug is and how often owners and vets file — not actual risk. Death-coded share ranks are limited to entries with enough reports to be meaningful. The two maps do not agree at #1.

Release-over-release change

What changed in the latest FDA data snapshot

PlainBreed reconstructed the prior snapshot from dated openFDA partitions through 2025 Q4, then compared it with the 2026-07-27 openFDA export. Terbinafine Hcl has 58 reports now versus 58 in that prior snapshot: 0 the same number of (0.0%).

Report change
+0
Death-coded reports
+0
Death-coded share
+0.0 pts

This compares reported-event counts in two source snapshots. It does not establish a change in real-world risk, product safety, or disease incidence.

Subscribe to Terbinafine Hcl changes

Signature read: report volume at 58 is the most distinctive stamp on Terbinafine Hcl's FDA AER row.

Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
58
Total Reports
6
Deaths Reported
10.3%
Death-coded share of reports

Active Ingredients

Terbinafine Hcl

Administration Routes

UnknownOral

Species Affected

Dog 53
Cat 5

Most Affected Breeds

Shih Tzu 7
Retriever - Labrador 4
Chihuahua 4
Domestic Shorthair 4
Terrier - Yorkshire 3
Dachshund (unspecified) 3
Terrier - Bull - American Pit 3
Crossbred Canine/dog 2
Terrier - West Highland White 2
Spaniel - Cocker American 2

Most Reported Reactions

Vomiting 11
Lethargy (see also Central nervous system depression in 'Neurological') 10
Diarrhoea 8
Seizure NOS 6
Lack of efficacy - NOS 5
Fungal skin infection NOS 5
Pruritus 5
Other abnormal test result NOS 4
Otitis NOS 4
PR-SKIN, LESION(S) 4
Skin lesion NOS 4
Elevated serum alkaline phosphatase (SAP) 4

Outcome Breakdown

Ongoing
39 (67.2%)
Recovered/Normal
10 (17.2%)
Died
3 (5.2%)
Euthanized
3 (5.2%)
Outcome Unknown
3 (5.2%)

Terbinafine Hcl Adverse Event Insights

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.

Nationwide drugs with similar profiles

Two openFDA-derived peer sets for Terbinafine Hcl, both floored at ≥50 reports so the neighborhoods stay in the advertised mass.

Similar report volume

Nearest other drugs by FDA report count (58 here).

What to do with this drug

A report does not prove a drug caused the reaction; consult a veterinarian before acting on this data.

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

openFDA Animal & Veterinary Adverse Events (FDA CVM) for Terbinafine Hcl (#1032 of 2,679 by report volume); death-coded 10.3%. PlainBreed drug row · report volume stamp 58 · vintage 2025.

Informational only. FDA adverse-event reports are voluntary and do not prove causation; consult a veterinarian before acting on them. Verify with FDA CVM →