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Hairloss can be due to anaemia;dandruff;deficiency of vitamins
and minerals;mental stress;after fevers like typhoid;malaria;thyroid
problem etc.It needs to be seen what is the reason in your case and then only treatment can be decided.Please consult a Dermatologist
for diagnosis and treatment.Till then you can take multivitamins and minerals;get a CBC done to rule out anaemia if the haemoglobin
is less the you may need to take iron tablets.For dandruff you can use Nizral 2% shampoo twice a week it will help.For proper treatment still you need to consult a skin specialist.