Drug profile

The FDA adverse-event record for Peppermint Oil + Cinnamon Oil + Lemongrass Oil + Clove Oil + Thyme Oil

11 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Peppermint Oil + Cinnamon Oil + Lemongrass Oil + Clove Oil + Thyme Oil. See the species affected, top reactions, and outcomes below.

11
adverse-event reports
0.0%
death-coded share
Dog
most-reported species
6
Lack of efficacy (ectoparasite) - flea - 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.
11
Total Reports
0
Deaths Reported
0.0%
Death Rate

Active Ingredients

Peppermint Oil + Cinnamon Oil + Lemongrass Oil + Clove Oil + Thyme Oil

Administration Routes

TopicalUnknownOther

Species Affected

Dog 8
Cat 3

Most Affected Breeds

Dog (unknown) 6
Domestic Shorthair 2
Siberian Husky 1
Retriever - Labrador 1
Domestic (unspecified) 1

Most Reported Reactions

Lack of efficacy (ectoparasite) - flea 6
Itching 2
Agitation 2
Drooling 1
Lethargy (see also Central nervous system depression in 'Neurological') 1
Fever 1
Shaking 1
Vomiting 1
Lack of efficacy - NOS 1
Hyperactivity 1
UNPALATABLE 1
Difficulty of Use 1

Outcome Breakdown

Outcome Unknown
8 (72.7%)
Recovered/Normal
3 (27.3%)

Peppermint Oil + Cinnamon Oil + Lemongrass Oil + Clove Oil + Thyme Oil Adverse Event Insights

11 reports name Peppermint Oil + Cinnamon Oil + Lemongrass Oil + Clove Oil + Thyme Oil; 0 recorded a death outcome (0.0% of reported events, not a population-level mortality rate). Active ingredient: Peppermint Oil + Cinnamon Oil + Lemongrass Oil + Clove Oil + Thyme Oil. Administration routes: Topical, Unknown, Other.

By species: Dog (8 reports), Cat (3 reports). By breed: Dog (unknown) (6), Domestic Shorthair (2), Siberian Husky (1).

Leading clinical signs: Lack of efficacy (ectoparasite) - flea (6), Itching (2), Agitation (2), Drooling (1). Outcome, 11 coded reports: Outcome Unknown leads at 72.7%.

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.