Blood problems after Diphenhydramine in dogs
The FDA has received 267 reports of blood problems in dogs after Diphenhydramine. That is 5.7% of all reports for this medicine, compared with 1.8% across reports for all dog medicines, so it is reported unusually often with this medicine.
267Reports
83%Marked serious
11%Recovered
38%Died or euthanised
2 daysTypical onset
How soon it started
How the animals did
Problems reported at the same time
Age of the animals
About this medicine
Type: medicine.
Questions owners ask
- Can Diphenhydramine cause blood problems in dogs?
- 267 reports link the two, but a report alone does not prove the medicine was the cause: other illnesses, other medicines or coincidence can be involved. Your vet can judge it for your animal.
- How soon after a dose was it reported?
- In half of the reports with dates, it started within 2 days of the first dose.
- What should I do?
- Don't give another dose until you've spoken to your vet, and keep the packaging so you can tell them the product and dose. Your vet can also report it to the FDA (or you can, through the manufacturer or FDA form 1932a).
Blood problems with similar medicines
- Blood problems after Melarsomine (Immiticide) 513 reports · 2.3% of its reports
- Blood problems after Polysulfated Glycosaminoglycan 284 reports · 5.2% of its reports
- Blood problems after Butorphanol 162 reports · 3.6% of its reports
- Blood problems after Cefpodoxime 279 reports · 6.9% of its reports
- Blood problems after Tramadol 236 reports · 6.3% of its reports
- Blood problems after Florfenicol + Mometasone + Terbinafine 39 reports · 1.1% of its reports
- Blood problems after Desoxycorticosterone Pivalate 187 reports · 5.6% of its reports
- Blood problems after Propofol 106 reports · 3.5% of its reports
- Blood problems after Dirlotapide 46 reports · 1.6% of its reports
- Blood problems after Isoflurane 101 reports · 3.7% of its reports
All reported side effects of Diphenhydramine in dogs · Medicines most reported with blood problems
