Vitamin D overdose causes dangerous hypercalcemia leading to kidney failure and soft tissue calcification.
Dogs
Emergency risk
Cats
Emergency risk
Risk level
Danger
Symptoms
Vomiting, increased thirst/urination, weakness, kidney failure, cardiac issues
What to do now
EMERGENCY. Contact vet. Calcium monitoring and treatment needed.
Use these hub pages for broader dog, cat, cleaner, and emergency planning guidance.
Compare Vitamin D (Cholecalciferol) Overdose with common dog food, plant, medication, and household toxicity risks.
Open hubCat poisoningSee cat-specific guidance for Vitamin D (Cholecalciferol) Overdose, plants, cleaners, foods, and medication risks.
Open hubEmergency planningPlan for emergency exams, toxin ingestion care, hospitalization, and insurance decisions.
Open hubVomiting, increased thirst/urination, weakness, kidney failure, cardiac issues
EMERGENCY. Contact vet. Calcium monitoring and treatment needed.
Plan ahead for emergency vet bills
Poisoning, broken bones, and emergency surgery can get expensive quickly. Compare costs and accident coverage before you need it.
A one-page checklist for symptoms, product labels, emergency contacts, and what to bring to the clinic.
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