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 external parasites, intestinal worms, coccidia, heartworm and related anemia, dermatitis, cough and GI signs.
Section sources: Merck Veterinary Manual: Pet Owners Overview · AAHA Clinical Practice Guidelines
Which clues to organize
Record product names/dates, environmental control, stool photos/samples, itch, weight, cough and travel.
Section sources: AAHA: Preparing for a successful veterinary visit
When not to wait
Young or weak pets, pale gums, black stool, breathing trouble, collapse, severe dehydration or repeated vomiting need same-day care.
Section sources: Merck Veterinary Manual: When to see a veterinarian
Prepare for the visit
Bring product packaging, dates, stool sample, weight and household prevention records; never share human dewormers.
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 checklistSources & editorial context
- Merck Veterinary Manual: When to see a veterinarian ↗Merck Veterinary Manual · Editorial check: 2026-10-12 · Source date: Not clearly stated on source
Urgent signs including breathing difficulty, collapse, severe pain, bleeding, seizures and difficulty urinating. - AAHA: Preparing for a successful veterinary visit ↗American Animal Hospital Association · Editorial check: 2026-10-12 · Source date: 2026-02-10
Carrier preparation for cats, species-specific visit preparation and discussion of fear or anxiety.
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.
Read our editorial policy