Allergic reaction after Famotidine in dogs

The FDA has received 156 reports of allergic reaction in dogs after Famotidine. That is 5.9% of all reports for this medicine, compared with 2.3% across reports for all dog medicines, so it is reported unusually often with this medicine.

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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 Famotidine cause allergic reaction in dogs?

156 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 the same day 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).

Allergic reaction with similar medicines

• Allergic reaction after Melarsomine (Immiticide) 1,008 reports · 4.4% of its reports
• Allergic reaction after Polysulfated Glycosaminoglycan 187 reports · 3.4% of its reports
• Allergic reaction after Diphenhydramine 1,061 reports · 22% of its reports
• Allergic reaction after Butorphanol 235 reports · 5.3% of its reports
• Allergic reaction after Cefpodoxime 152 reports · 3.7% of its reports
• Allergic reaction after Tramadol 74 reports · 2.0% of its reports
• Allergic reaction after Florfenicol + Mometasone + Terbinafine 110 reports · 3.1% of its reports
• Allergic reaction after Desoxycorticosterone Pivalate 172 reports · 5.2% of its reports
• Allergic reaction after Propofol 196 reports · 6.4% of its reports
• Allergic reaction after Isoflurane 137 reports · 5.0% of its reports

All reported side effects of Famotidine in dogs · Medicines most reported with allergic reaction