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Digestive · Cats & dogs

Digestive disease: vomiting, diarrhea, constipation, pancreas, parasites and obstruction

Digestive signs overlap; stratify by frequency, output, hydration and abdominal state rather than diagnosing from one sign.

Editorial update: 2026-10-19 · Version 2026.10.19.2
Veterinary review: pending

Digestive disease: vomiting, diarrhea, constipation, pancreas, parasites and obstruction

Educational pet-health and visit-preparation reference. Not a diagnosis, prescription, dosage recommendation or substitute for a veterinarian. Veterinary review: pending. This is an editorial educational reference. Checking sources is not a veterinary assessment of your pet.

What this index covers

Covers acute and chronic vomiting/diarrhea, constipation, pancreatitis, parasites, foreign bodies and obstruction clues.

Section sources: Merck Veterinary Manual: Pet Owners Overview · AAHA Clinical Practice Guidelines

Which clues to organize

Record frequency, blood/black stool, water retention, stool/urine, painful posture, diet change and foreign-body access.

Section sources: AAHA: Preparing for a successful veterinary visit

When not to wait

Repeated vomiting with no water retention, bloody stool, distension with retching, collapse, severe dehydration or weakness in young pets needs urgent care.

Section sources: Merck Veterinary Manual: When to see a veterinarian

Prepare for the visit

Bring videos, food packaging, stool/vomit photos or samples, medicines and last normal intake/stool time.

Section sources: AAHA: Preparing for a successful veterinary visit

Use this guide to prepare for a visit

Disease index note Topic/question: Onset and change: Photos/videos: Appetite, water, urine/stool: Medicines/exposures: Questions for clinic:

Record observations for this topic Visit checklist

Sources & editorial context

What changed

将疾病索引改为按覆盖范围、观察用途、红旗信号和就诊资料组织,待专业医学复核。

Dates identify editorial updates and source checks, not clinical approval. All four languages were edited together; native-language and veterinary review remain pending.

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