Deltamethrin side effects in dogs

65 reports sent to the FDA between 2011 and 2024 involve Deltamethrin in dogs. The most reported problems were vomiting, restlessness or agitation, itching. 15% were marked serious.

65Reports
15%Marked serious
0.0%Only medicine involved
49%Recovered
1.5%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

Vomiting
20 31%
Restlessness or agitation
9 14%
Itching
8 12%
Lethargy
7 11%
Tremors
6 9.2%
Seizures
3 4.6%
Breathing problems
3 4.6%
Discomfort
3 4.6%
Skin rash or irritation
2 3.1%
Loss of appetite
2 3.1%
Localised pain (see other 'socs' for specific pain)
2 3.1%
Drooling
2 3.1%
Not sleeping
1 1.5%
Involuntary movement
1 1.5%
Behaviour change
1 1.5%

Share = percentage of this medicine's reports that mention the problem. One report can list several problems.

Reports that it didn't work

Some reports are about the medicine not working (for example a dog still getting fleas or heartworm), not about a side effect.

Didn't work as expected
13 20%
Didn't stop fleas
11 17%
Didn't prevent heartworm
5 7.7%
Didn't stop worms
4 6.2%
Didn't stop ticks
2 3.1%

How soon problems started

Same day
6 13%
1–2 days
8 17%
3–7 days
2 4.3%
1–4 weeks
5 11%
Over a month
26 55%

Time from the first dose to the first sign, where both dates were reported (47 reports).

How the animals did

Recovered
31 48%
Recovered with lasting effects
1 1.5%
Still unwell when reported
3 4.6%
Died
1 1.5%
Not known
29 45%

Breeds named most often

Popular breeds appear more often because there are more of them.

Other medicines for dogs

Melarsomine (Immiticide)22,672 reports · 41% seriousPolysulfated Glycosaminoglycan5,465 reports · 33% seriousDiphenhydramine4,724 reports · 48% seriousButorphanol4,441 reports · 55% seriousCefpodoxime4,055 reports · 36% seriousTramadol3,768 reports · 47% seriousFlorfenicol + Mometasone + Terbinafine3,542 reports · 60% seriousDesoxycorticosterone Pivalate3,337 reports · 38% serious