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Dogs & Cats

Malabsorption Syndrome

info This article is for educational purposes only and does not replace professional veterinary advice. Always consult your veterinarian before making changes to your pet's diet or exercise routine.

descriptionOverview

Malabsorption syndrome is a group of conditions where the small intestine cannot properly absorb nutrients from food. Causes include IBD, EPI, lymphangiectasia, infections, and small intestinal bacterial overgrowth (SIBO). Pets eat well but remain thin, malnourished, and deficient in essential vitamins and minerals. Diagnosis requires intestinal biopsies or specific blood tests.

searchSymptoms to Watch For

  • warningWeight loss despite normal or increased appetite
  • warningChronic diarrhea, often pale or fatty
  • warningPoor coat quality and muscle wasting
  • warningEdema (swelling) in severe cases from protein loss
  • warningVitamin deficiency signs: poor wound healing, weakness

restaurantHow Nutrition Helps

Highly digestible, low-fat diets reduce the workload on damaged intestines. MCT (medium-chain triglyceride) oil provides easily absorbed fat calories. Enzyme supplementation helps if EPI is the cause. Vitamin and mineral supplementation is often necessary since normal absorption is impaired — especially B12, fat-soluble vitamins (A, D, E, K), zinc, and iron.

directions_runHow Activity Helps

Gentle exercise maintains muscle mass. Avoid intense activity until weight and nutrition status stabilize.

verifiedPrevention Tips

  • check_circleInvestigate chronic diarrhea early — don't wait months
  • check_circleFeed highly digestible, low-residue diets
  • check_circleWork with your vet on appropriate supplementation
  • check_circleMonitor weight regularly
  • check_circleConsider B12 injections if oral absorption is impaired

petsBreeds at Higher Risk

Yorkshire Terriers (lymphangiectasia), German Shepherds (SIBO), Soft-Coated Wheaten Terriers, and Norwegian Lundehunds.