A 79-year old patient has Vitamin D deficiency, with Vitamin D levels being 18.9 ng/ml. The patient has had a radiotherapy vocal cord also for early Stage 1 squamos cell carcinoma. His Bone mass density is also considerably low? His BMD T-score - 3.27 He is also taking Eltroxin and his thyroid levels are doing fine.

Just TSH slightly high 6.15 T3, T4 normal. Is there a need to give Vitamin D injections or supplementing Vitamin D (Calcirol) per one sachet per week is fine.? Plus any other precautions to prevent any consequenttial accidental fracture? Rgds