Hello .usually after using some allopathic drugs ,n some illness will cause hairfall.greying may b due to stress n tension.lmproper lifestyle bad diets.more frequent use if strong shampoos.some harmonal changes also cause hairfall.
Next Steps
try to check Hb.
calcium levels,
thyroid,level.
Health Tips
avoid strong shampoo.use leukwarm water for head bath.take balanced diet.
calcium n protien rich deit.still not controlled consult .😊