Vitamin D + calcium supplement
Colecalciferol with calcium carbonate
Brand names: Adcal-D3, Calcichew-D3, Accrete D3
Adult dose
Dose: 1 tab/sachet BD or 2 tabs OD (typically 1500mg calcium / 800–1000 units D3 daily)
Route: PO
Frequency: BD
Clinical pearls
- Adjunct to bone-protection therapy in osteoporosis; co-prescribe with bisphosphonates
Contraindications
- Hypercalcaemia
- Hypercalciuria
- Severe renal impairment
- Active sarcoidosis
Side effects
- Constipation
- Bloating
- Hypercalcaemia (rare)
Interactions
- Tetracyclines/quinolones (chelation; separate)
- Thiazides (hypercalcaemia)
- Levothyroxine absorption
- Bisphosphonates absorption
Monitoring
- Serum calcium
- U&E
Reference: BNF; NICE NG56; https://bnf.nice.org.uk/drugs/colecalciferol-with-calcium-carbonate/. Verify against your local formulary and the latest BNF before prescribing.
Related
Curated clinical cross-links plus same-class fallbacks.
Calculators
- Hyperkalaemia Management Algorithm · Electrolyte Disorders
- FAST Exam Protocol — Focused Assessment with Sonography in Trauma · Trauma
- Corrected Calcium · Electrolytes
- Calcium-Phosphate Product · Electrolytes
- Corrected Calcium (for Albumin) · Electrolytes
- Hyperkalaemia Severity and ECG Risk · Electrolytes
Pathways
- Diabetic Ketoacidosis (DKA) · JBDS 2013 / Joint British Diabetes Societies; NICE NG17
- Adult Hypoglycaemia (Treated Diabetes) · JBDS-IP (2023): Hospital Management of Hypoglycaemia
- Adrenal Crisis · Society for Endocrinology Emergency Guidance (2024)
- Type 2 Diabetes Management · NICE NG28 2022
- Hyperthyroidism Management · BTA / ETA 2018
- Adrenal Insufficiency · Society of Endocrinology / ESE 2016