3D illustration: a hamster next to a dish of raisins
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Hamster · Fruit

Can hamsters eat raisins?

No — never feed

No. Raisins are dried grapes, which the RSPCA warns can be poisonous to rodents, and drying concentrates the sugar. Vets advise avoiding dried fruit for hamsters.

Sugar
65.2 g / 100 g

If your hamster already ate some

Call your vet for advice and say how many were eaten. Watch for diarrhoea, reduced appetite, lethargy or changes in drinking and urination, and see a vet promptly if any appear.

Emergency steps →

Why

Risks. Raisins carry the same unexplained toxicity concern as grapes, in concentrated form, and are very high in sugar, which is a particular problem for diabetes-prone dwarf hamsters.

Questions owners ask 2

What about sultanas and currants?

Treat sultanas and currants (dried grapes) the same as raisins and do not feed them.

My hamster's food mix contains raisins. Is that a problem?

Pick them out, or choose a complete pellet or mix without dried grapes or added sugar.

Raisins: nutrition per 100 g

Water15.5 g
Energy299 kcal
Sugars65.2 g
Fat0.3 g
Protein3.3 g
Fibre4.5 g
Calcium62 mg
Phosphorus98 mg
Calcium : phosphorus0.63 : 1
Sodium26 mg
Vitamin A (RAE)0 µg
Vitamin C2.3 mg

“Raisins, dark, seedless (Includes foods for USDA's Food Distribution Program)”, USDA FoodData Central (SR Legacy, FDC 168165). Public domain.

Sources & method 4

The sources below discuss raisins for hamsters (or for pet rodents generally). Confidence: medium. Rated on the JOMIZOO Feeding Scale; when good sources disagree we choose the more cautious level.

  1. What to feed hamsters — RSPCA
  2. Can Hamsters Eat Broccoli & What to Feed Your Hamster — Northgate Veterinary Clinic, Seattle
  3. Dwarf Hamster Care Sheet — PetMD (written by Maria Zayas, DVM; reviewed by Melissa Witherell, DVM)
  4. Grape, Raisin, and Tamarind (Vitis spp, Tamarindus spp) Toxicosis in Dogs — Merck Veterinary Manual

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