Healthy urine should be clear and straw-coloured, and shouldn't be particularly smelly.
Some people find that their urine smells stronger and is darker first thing in the morning when it's more concentrated, or generally when they're dehydrated.
Also, certain food and drinks, including asparagus, beer, garlic and coffee, may temporarily give urine a stronger smell.
Certain medicines and vitamin and mineral supplements can also alter the odour of urine – but never stop taking any medication without speaking to your doctor first.
You may find the smell of your urine improves by drinking more fluids. Generally, make sure you drink enough fluid so you're not thirsty for long periods, and steadily increase your fluid intake when exercising and during hot weather.
It's not necessary to see your doctor about smelly urine unless you're concerned – for example, if you have other symptoms too.
See your doctor if:
The following conditions can sometimes cause smelly urine, but they are uncommon:
Important: Our website provides useful information but is not a substitute for medical advice. You should always seek the advice of your doctor when making decisions about your health.