Levamisole

20 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

5500.0%

Death Rate

Active Ingredients

Levamisole

Administration Routes

OralUnknown

Species Affected

Sheep 8

Goat 4

Horse 2

Unknown 2

Cat 2

Human 1

Dog 1

Most Affected Breeds

Sheep (unknown) 6

Unknown 4

Goat (unknown) 2

Domestic Shorthair 2

Crossbred Equine/horse 1

Thoroughbred 1

Nubian 1

Southdown 1

Bulldog - French 1

Crossbred Ovine/sheep 1

Most Reported Reactions

Death 8

Ataxia 4

Overdose 4

Neurological symptoms NOS 3

Neurological signs NOS 2

Staggering 2

Behavioural disorder NOS 2

Twitching 2

Collapse NOS (see also 'Cardio-vascular' and 'Neurological disorders') 2

Vestibular disorder NOS 2

Not eating 2

Not drinking 2

Outcome Breakdown

Died

10 (47.6%)

Outcome Unknown

4 (19.0%)

Recovered/Normal

3 (14.3%)

Ongoing

3 (14.3%)

Euthanized

1 (4.8%)

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