Patients frequently complain of discoloured urine. The table below lists common causes of urine discolouration that are often seen in practice.
Table 2: Causes of discoloured urine
| Colour |
Cause |
| Dark Yellow |
- Drugs: chloroquine and sulphonamides
- Bilirubin
- Foods: carrots, riboflavin, vitamin A
|
| Orange |
- Drugs: phenolphthalein laxatives, rifampicin sulfasalazine
|
| Blue Green |
- Pseudomonas
- Drugs: amitriptyline, NSAIDS, promethazine
|
| Red Brown |
- Sorbitol
- Porphyria
- Foods: rhubarb, fava beans
|
| Red |
- Drugs: rifampicin, phenothiazines
- Foods: beetroot and blackberries
- Haemoglobinuria
- Myoglobinuria
|
