Hairball (Trichobezoar)
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About this condition
Ingested hair accumulates in the stomach during grooming and is usually expelled through vomiting or retching. While typically benign, large hair masses can occasionally cause intestinal obstruction.
Common symptoms
- Retching or vomiting (expelling a hair mass)
- Regularly producing vomit containing long hair
- Constipation or reduced stool volume
- Reduced appetite or lethargy (if obstruction occurs)
Common causes
- Ingestion of hair through excessive grooming
- Increased shedding during seasonal coat changes
- Hair length and coat volume (higher risk in long-haired breeds)
- Reduced gastrointestinal motility (senior cats)
Prevention (husbandry & daily care)
Regular brushing to remove loose fur, hairball-formula foods or supplements, and encouraging adequate water intake. Thorough grooming is especially important for long-haired breeds.
Related species guide
→ Browse the species guide for this animalWhen to see a vet
Monitor; see a vet if it worsensWhat treatment does a vet provide?
Veterinarians assess for obstruction through physical examination and X-rays. Obstruction may be treated with endoscopy or surgery. Mild cases may be managed with dietary changes and guidance to support intestinal motility.
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