Merck Manual

Please confirm that you are a health care professional

honeypot link
Diagnoses for Hypercalcemia in Small Animals

Diagnoses for Hypercalcemia in Small Animals

Differential Diagnoses for Hypercalcemia

Descriptions

Paraneoplastic hypercalcemia of malignancy

Apocrine anal sac adenocarcinoma, lymphoma, thymoma, carcinoma, others

Primary hyperparathyroidism

Adenoma, hyperplasia, carcinoma

Renal failure

Acute or chronic

Medications

Thiazide diuretics, vitamin D toxicosis, calcium supplementation, vitamin A toxicosis

Granulomatous disease

Fungal disease, panniculitis, injection reaction

Nonparathyroid endocrine

Hypoadrenocorticism, thyrotoxicosis

Skeletal disease

Osteomyelitis, osteoporosis, hypertrophic osteodystrophy

Toxic

House plants, rodenticides, raisin/grape

Transient

Associated with hemoconcentration, hyperproteinemia

Idiopathic

Cats only

Spurious

Lab error, tube or sample error

Nonpathologic

Postprandial, young age, lipemia