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Pernicious Anaemia Society
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Hello new here needing help!

Hello all I am new here :)

I am hoping for some help, I am currently on b12 injections and taking 5mg folic acid daily along with vitC vitD.

I have had many tests which is stating my Hematocrit is high and I really don't understand why, my ferritin is low in range being 39, I have hashimotto's but not currently on anything, I am currently changing my diet to see if that helps my symptoms of hashimotto's.

Since being on the b12 I have felt anemic again but am worried to take iron as my hematocrit is high, I heard being dehydrated could play a key but how dehydrated would you have to be for this to happen?, I drink plenty of water.

My ferritin always shows low in range and I have had many tests that also shows my MCHC to be low while my MCV is always at the top, I have also had low folate.

Any advice would be much appreciate...

HAEMATOLOGY HAEMOGLOBIN (g/L) *156 g/L 115 - 155

HCT *0.471 0.33 - 0.45

RED CELL COUNT 5.12 x10^12/L 3.95 - 5.15

MCV 92.0 fL 80 - 99

MCH 30.5 pg 26.0 - 33.5

MCHC (g/L) 331 g/L 300 - 350

RDW 12.5 11.5 - 15.0

PLATELET COUNT 219 x10^9/L 150 - 400

MPV 12.3 fL 7 - 13

WHITE CELL COUNT 6.08 x10^9/L 3.0 - 10.0

Neutrophils 3.00 x10^9/L 2.0 - 7.5

Lymphocytes 2.36 x10^9/L 1.2 - 3.65

Monocytes 0.51 x10^9/L 0.2 - 1.0

Eosinophils 0.19 x10^9/L 0.0 - 0.4

Basophils 0.02 x10^9/L 0.0 - 0.1

3 Replies


Perhaps look at this:

PCV Also known as: Packed cell volume; haematocrit


The most common cause of increased PCV is dehydration, and with adequate fluid intake, the PCV returns to normal. However, it may reflect a condition called polycythaemia where there are too many red cells.

Primary polycythaemia (polycythaemia rubra vera or PRV)—is means the bone marrow is overproducing red blood cells of its own accord.

More commonly polycythaemia is a due to factors outside the bone marrow (secondary polycythaemia). Causes of secondary polycythaemia include:

•Some lung or heart diseases where the bone marrow manufacturers more red blood cells in order to carry enough oxygen throughout your body

•Excessive alcohol consumption


•Liver or kidney disease

•Some tumours which can secrete erythropoietin (“epo”), stimulating the production of red blood cells

•Rare inherited haemoglobins, which don’t release enough oxygen to the body


As your haemoglobin is to high ( HAEMATOLOGY HAEMOGLOBIN (g/L) *156 g/L 115 - 155 ) it is possible that you may be heading to wards Polycythaemia, B12 treatment can unmask Polycythaemia.




What is being tested?

This test measures the amount of haemoglobin (a protein found in red blood cells) in your blood and is a good indication of your blood's ability to carry oxygen throughout your body. Haemoglobin carries oxygen to cells from the lungs. If your haemoglobin levels are low, you have anaemia, a condition in which your body is not getting enough oxygen, causing fatigue and weakness. If your haemoglobin levels are high, this usually means you have too many red cells which is called polycythaemia. Polycythaemia, when severe, can cause the blood to become too viscous, leading to heart failure, heart attacks or strokes.

What does the test result mean?

Normal values in an adult are approximately 120 to 180 grams per litre (12 to 18 g/dL) of blood but are influenced by the age, sex and ethnic origin in the person. Above-normal haemoglobin levels may be the result of:


•excess production of red blood cells in the bone marrow,

•severe lung disease, or

•several other conditions


I hope this help-s,

Kind regards,



Thank you, How will I go about getting tested for this and wondering if I need to stop my vitimins?



Best to ask your GP, I do not know if you have to stop B12 etc, Marre.


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