Methylsulfonylmethane

13 adverse event reports submitted to the FDA

Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.

Total Reports

Deaths Reported

770.0%

Death Rate

Active Ingredients

Methylsulfonylmethane

Administration Routes

UnknownOral

Species Affected

Dog 11

Horse 2

Most Affected Breeds

Pit Bull 2

Retriever - Labrador 2

Quarter Horse 2

Pug 1

Cattle Dog - Australian (blue heeler, red heeler, Queensland cattledog) 1

Dog (other) 1

Collie - Border 1

Crossbred Canine/dog 1

Terrier - Welsh 1

Retriever - Golden 1

Most Reported Reactions

Lack of efficacy - NOS 4

Vomiting 3

Falling 2

Walking difficulty 2

Respiratory signs 1

Death 1

Malaise 1

Urinary incontinence 1

Ataxia 1

Overdose 1

Jaw disorder 1

Chattering of teeth 1

Outcome Breakdown

Outcome Unknown

6 (46.2%)

Recovered/Normal

3 (23.1%)

Ongoing

3 (23.1%)

Died

1 (7.7%)

Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.