Didn't work as expected after Famotidine in cats

The FDA has received 48 reports of didn't work as expected in cats after Famotidine. That is 12% of all reports for this medicine, compared with 8.7% across reports for all cat medicines.

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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 didn't work as expected in cats?

48 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 12 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).

Didn't work as expected with similar medicines

• Didn't work as expected after Ketamine 586 reports · 18% of its reports
• Didn't work as expected after Butorphanol 220 reports · 9.8% of its reports
• Didn't work as expected after Isoflurane 144 reports · 7.1% of its reports
• Didn't work as expected after Tiletamine + Zolazepam 265 reports · 16% of its reports
• Didn't work as expected after Methylprednisolone 227 reports · 14% of its reports
• Didn't work as expected after Propofol 81 reports · 6.9% of its reports
• Didn't work as expected after Atipamezole 120 reports · 12% of its reports
• Didn't work as expected after Midazolam 31 reports · 4.1% of its reports
• Didn't work as expected after Florfenicol + Mometasone + Terbinafine 42 reports · 6.1% of its reports
• Didn't work as expected after Orbifloxacin 76 reports · 11% of its reports

All reported side effects of Famotidine in cats · Medicines most reported with didn't work as expected