My father's Hemoglobin level is decreasing day by day (current level is 8), he is 67 years, a diabetic patient since last 30 years.
LFT, RFT,
creatinine, ESR are normal.
He is taking Folic Acid since last 7 days but the Hemoglobin is still decreasing. Please suggest me what is the quick way to increase the Hemoglobin level through oral intake.