In the worst cases, the oesophagus may become ulcerated which, in rare cases, may bleed or cause anaemia.

Too little can cause anaemia, which can make exercise harder and increase the risk of injury.

Not enough for you to see in the pan but enough of a 'drip-drip' effect to eventually cause anaemia, which will show on a blood sample.

Lack of iron, which causes anaemia, can also see nails becoming brittle and an underactive thyroid gland can have similar effects.

If untreated, the parasites target red blood cells, causing anaemia and compromising blood flow to vital organs.

But there's a difference between tiredness and an unshakeable lethargy, which can be symptomatic of iron-deficiency anaemia.

Iron-deficiency anaemia, if severe, may require anything from a blood transfusion to iron injections.

They realised that the water contained ferrous sulphate, the standard treatment for iron-deficiency anaemia then and now.

She went to a walk-in centre but her weight loss was put down to severe anaemia.

Blood disorder that causes severe anaemia, which requires regular blood transfusions throughout life.

It can cause complications such as renal failure, liver damage and severe anaemia.

I've nearly lost my life three times through it and it's left me with severe anaemia.

Blood transfusions may also be used to treat a severe anaemia or thrombocytopenia caused by a blood disease.