Skip to main content

Dihydrotachysterol Side Effects

Applies to dihydrotachysterol: oral capsule, oral concentrate, oral tablet.


Early signs and symptoms of hypercalcemia include headache, anorexia, nausea, vomiting, metallic taste, constipation, abdominal cramps, dry mouth, weakness, fatigue, muscle, and bone pain, ataxia, tinnitus, and vertigo. Later hypercalcemia may result in pruritus, mental confusion, coma, hypertension, cardiac arrhythmias, seizures, metastatic calcification, and renal insufficiency manifested by polyuria, nocturia, polydipsia, and proteinuria.

The effects of dihydrotachysterol can persist for up to one month after discontinuation of the drug.[Ref]

Metabolic side effects have included hypercalcemia.[Ref]


1. Miller SM "New perspectives on vitamin D." Am J Med Technol 49 (1983): 27-37

2. Araugo OE, Flowers FP, Brown K "Vitamin D therapy in psoriasis." DICP 25 (1991): 835-9

3. "Product Information. DHT (dihydrotachysterol)." Roxane Laboratories Inc (2001):

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.