Our daily
Vitamin D requirement is around 1000 IU. In case of Vit D deficiency we give 60000 IU weekly once for 4-6weeks followed by maintenance of 60000 IU every month. The dose you have taken is more than 600000 IU per month.
Next Steps
Do not take Vit D for next 4-5months
Health Tips
If headache persists, meet a doctor to look for hypervitaminosis D