List of indications in which it is important to consider intravenous calcitriol administration [18, 2427]

DysphagiaMalabsorptionHyperparathyroidism secondary to advanced chronic kidney disease
Neurological disorders: stroke, multiple sclerosis, Parkinson's disease or amyotrophic lateral sclerosis, etc.Gastrointestinal disorders: celiac disease, Crohn’s disease, short bowel syndrome, ulcerative colitis, bariatric surgerySevere secondary hyperparathyroidism
Muscular diseases: myasthenia gravis and muscular dystrophiesBile duct pathologyRefractory to oral medical treatment
Cancer: tumours in the mouth, pharynx or larynxPancreatic pathology, such as chronic pancreatitisPatients who develop hypercalcaemia with oral calcitriol treatment
Oesophageal pathology: oesophageal stricture, achalasia, oesophagitis, oesophageal diverticula, oesophageal cancerDrugs: anticonvulsants, some HIV drugs, and certain cholesterol-lowering drugs (such as bile acid sequestrants)To avoid surgical parathyroidectomy in some cases