My guinea pig's urine looks red — is it blood?

Short answer: plant pigments can turn urine orange-red, but bright red spots, crying or hunching while peeing, or frequent straining need an exotic-pet vet the same day.

1. Check on white pads — pigment is usually even orange-red and browns as it dries; blood tends to be patchy and bright red.

2. Watch how they pee — vocalising, hunching or straining without passing urine is urgent.

3. White gritty residue — guinea pig urine is naturally calcium-rich; heavy sludge or grit should be discussed with a vet.

4. Water — keep fresh water available at all times alongside fresh vegetables.

5. Balanced diet — timothy hay as the base; calcium-rich alfalfa is not recommended in large amounts for adults.

6. Take a photo of the pad to show your vet.

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