article_snippet: However, it could be due to blood in their urine, signalling an infection, or tumours or kidney stones .
article_snippet: Or it could be due to infection.'
article_snippet: However, it could be because they are taking diuretic medicine which is making they pass water frequently.
article_snippet: the person added: ‘They might be drinking diuretic-type drinks, such as coffee and alcohol.
article_snippet: This is because in the night you’ve just been laying there doing nothing and the kidneys have been working concentrating the toxic effects.
article_snippet: However, it could be a more serious sign of infection from the kidney travelling down through the bladder and urethra.
article_snippet: it could also be due to a tumour, or kidney stones.
article_snippet: This causes excess blood to come out into red urine.