Nervous system
Anisocoria (unequal pupils)
Non-infectious · Acute or chronic
A difference in the size of the pupils, which can be harmless or a sign of a problem with the nerves that control the eye.
GeoMed · Nervous system conditions
Nervous system conditions
The brain, spinal cord and nerves, which control and coordinate the body.
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Nervous system conditions
Nervous system
Nervous system
Benign paroxysmal positional vertigo
Non-infectious · Acute or chronic
Brief spells of spinning dizziness triggered by changes in head position, caused by loose crystals in the inner ear.
Cardiovascular system
Beriberi
Non-infectious · Acute or chronic
A condition caused by severe lack of vitamin B1 (thiamine), affecting the heart, nerves or brain.