Our expert says:
The normal range for haemoglobin (Hb) at sea level for a male aged 18-65 years is 12.5 – 17.3 g/dl and for a female 11.5 – 15.5 g/dl. If you are male and your Hb is 16.2 at present, it is well within the normal range and nothing further needs to be done. If you are female, your Hb would be slightly increased if it is 16.2. This condition is known as polycythaemia.
It is strange for an Hb to fluctuate from 13.4 to 20 and then to 16.3 in such a short time (December 2003 to February 2004) without apparent cause. A laboratory mistake must be excluded (poor mixing of sample before analysis). Blood loss and recovery from dehydration could also explain the drop in haemoglobin over a short time. Treatment of hypertension with diuretics could lead to a slight polycythaemia.
I would advise that you discuss the problem with your GP and decide on further investigation and management after the repeat Hb as suggested by your GP.
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