anhidrosis
Absent Sweating
Plain-language definition
Lack of sweating on one side of the face. Combined with miosis and ptosis, it forms the classic triad of Horner syndrome.
Where this term comes up
“The classic triad is a smaller pupil (miosis), mild droopy eyelid (ptosis), and reduced facial sweating (anhidrosis).”
Condition · Horner Syndrome
“May have anhidrosis (decreased sweating)”
Symptom · Unequal Pupil Size (Anisocoria)
“Anhidrosis (reduced sweating on the affected side of the face) - may or may not be noticeable”
Test · Pupil Examination
- Category
- Condition, finding, or disease process
- Also written as
- No alternate forms listed.
Pathology terms describe diseases, tissue changes, exam findings, or complications that can affect vision or eye comfort.
Related glossary terms
- anisocoria
Pupils of Unequal Size
- miosis
Small / Constricted Pupil
- ptosis
Drooping Upper Eyelid
- apraclonidine
Alpha-Agonist Eye Drop
- MRI
Magnetic Resonance Imaging
- sympathetic
Sympathetic Nervous System
A note on medical context
A glossary definition can explain a word, but it cannot tell you whether a symptom or test result is serious. If this term came from an article, use the full article and your clinician's guidance for context.