Hello, Welcome Thanks for consulting HCM,
I have gone through your query, dont worry ,
nausea, headache, can hapeen in anemic patients,
You improve your diet , Take iron rich diet , green leafy vegetables, fruits bananas, pomegranate juices,
You can take iron tablets, once a day for one week , if you wont get better result get go for complete haemogram, RBS (RANDOM BLOOD SUGAR) test , T3 , T4 ,
Tsh test, and consult physician.
Hope this will help you.