My mother had fever since 2 weeks like its been fluctuating and she gets severe headache at the lower back portion near neck , and we got the blood test done, everything is normal no such observations, except for a bit less count in haemoglobin and doctor suggested that if fever is there she can take Crocin tab, and doctor suggested for Health OK tablets from mankind, is this advisable, is it for the fever or for the less count on haemoglobin. Please do suggest some best remedy.