Reaction profile

The FDA adverse-event record for mewing

Name: Mewing - FDA Animal Adverse Reaction
Creator: PlainBreed
License: https://open.fda.gov/license/

59 FDA reports name mewing, a lower-volume reaction in the CVM extract (VeDDRA 131). Plate stamps and neighbourhood peers follow.

#1662 of 2,481
by report volume (all reactions): 59
reports citing this reaction: 6.8%
death-coded share: Cat
most-affected species

Compiled by PlainBreed

Verify with FDA CVM →

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. Mewing has 59 reports now versus 58 in that prior snapshot: 1 more (1.7%).

Report change: +1
Death-coded reports: +0
Death-coded share: −0.1 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 Mewing changes

FDA AER · VeDDRA plate

Code 131 VOL-LOW

VOL-LOW · DEATH-PAR · MID-PACK · PHOTO-FINISH · SPECIES-CAT · DRUG-LEAD · DESK-WIDE · BOOK-FULL

VOL-LOW 59 reports
DEATH-PAR 6.8%
MID-PACK #1662/2481
PHOTO-FINISH Hypoaesthesia
SPECIES-CAT Cat · 59
DRUG-LEAD Nitenpyram · 21
DESK-WIDE 12 breeds
BOOK-FULL 8/8 fields

Nearest volume peer: Hypoaesthesia (±0 reports)

Instrument codes from this reaction’s FDA CVM adverse-event extract: volume band, death-coded share, corpus rank, photo-finish peer, lead species, lead drug, breed desk, and book completeness. Not a clinical diagnosis.

Lower-volume neighbourhood around Mewing

Lower-third volume poles plus nearest peers, not a full reaction corpus board reprint.

FDA AER report volume · neighbourhood around Mewing

Mewing: low death-coded share in the FDA AER plate

Signature read: 4 death-coded reports is a thin tail count for Mewing in the CVM extract. Report volume is lower-third scale: 59 named reports in the openFDA extract. Death-coded share is lower-third: 4 of 59 reports (6.8% of named reports). Nearest volume peer: Hypoaesthesia (±0 reports). Lead species Cat (59). Lead co-reported drug Nitenpyram (21).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Nitenpyram appears in filings alongside this reaction; that is association, not causation. Browse the full reactions index or the about page for how PlainBreed frames FDA CVM extracts.

Species Most Affected

Cat 59

Breeds Most Affected

Domestic Shorthair 35

Domestic Longhair 10

Domestic Mediumhair 3

Cat (unknown) 2

Domestic (unspecified) 2

Crossbred Feline/cat 1

Siberian 1

Persian 1

Maine Coon 1

Ragdoll 1

Associated Drugs

Nitenpyram 21

Buprenorphine 6

Spinosad 5

Lotilaner 5

Fluralaner Spot-On Solution 4

Robenacoxib 3

Florfenicol + Mometasone Furoate + Terbinafine Hydrochloride 3

Bexagliflozin 3

Selamectin 2

Mirtazapine 2

Dexmedetomidine 2

Butorphanol 2

Capromorelin Tartrate 2

Fluid Therapy (Unknown) 2

Kidney Supplement 2

Maropitant Citrate 2

Fluid Therapy 2

Molidustat 2

Cefovecin Sodium 2

Phosphate Binder (Unspecified) 2

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Mewing, both floored at ≥50 reports so the neighborhoods stay in the advertised mass (the volume chart above is the unfloored photo-finish strip).

Similar report volume

Nearest other reactions by FDA report count (59 here).

Hypoaesthesia 59 Hyposensitivity to pain 59 Injection site fibrosis 59 Loss of smell 59

Similar death-coded share

Nearest other reactions by death-coded share (6.8% here), distinct from the volume row.

Increased appetite 6.8% Not sleeping 6.8% Ear canal disorder 6.8% Hyperextension 6.8%

What to do with this reaction

Compare Mewing's report profile against similar reactions nationwide. See similar reactions
Read how death-coded share differs from a mortality rate before drawing conclusions. Understanding adverse events
Browse the full reaction directory to compare report counts across reaction types. All reactions

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 Mewing (#1662 of 2,481 by report volume); death-coded 6.8%. PlainBreed reaction plate · death-coded report count stamp 4 · 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 →