Similar conditions

Alzheimer's disease can be a difficult condition to diagnose because the symptoms can be similar to those of other health conditions. For example, the symptoms of Alzheimer's disease may be confused with:

- a vitamin deficiency - where there is not enough of one of the vitamins that your body needs to function

- [thyroid problems](../thyroid-problems) - your thyroid gland is in your neck and produces hormones (powerful chemicals)

- an infection

- [anxiety](../anxiety)

- a brain tumour - a growth of cells in your brain

- [depression](../depression).