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Symptoms

The main symptom of malnutrition (undernutrition) is unintended weight loss, although this isn't always obvious.

Weight loss

Most people who are malnourished will lose weight, but it is possible to be a healthy weight or even overweight and still be malnourished.

Someone could be malnourished if:

See your GP if you've unintentionally lost a lot of weight over the last few months.

If you notice a friend or family member has lost lots of weight, talk to them about your concerns and encourage them to get help.

Other symptoms

Other signs of malnutrition include:

See your GP if you have these symptoms. If you notice these problems in someone else, try to encourage them to get help.

Symptoms in children

Symptoms of malnutrition in a child can include:

Contact your GP if you're concerned about your child's health or development at any point.