vasoconstrictor
Vessel-Narrowing Drug
Plain-language definition
Medications that narrow blood vessels. Used in eye drops to reduce redness, but prolonged use causes rebound redness and should be avoided.
Where this term comes up
“Works differently than triptans: not a vasoconstrictor, but still requires label-based safety screening”
Medication · Zavzpret (Zavegepant)
“Redness-reliever drops are not dry eye treatments - products like Visine and Clear Eyes contain vasoconstrictors that cause rebound redness with regular use”
“Not a vasoconstrictor like triptans, but cardiovascular history still matters”
Medication · Nurtec ODT (Rimegepant)
- Category
- Medication
- Also written as
- vasoconstrictors
Medication terms describe drugs or drug classes that may be used in eye care, neurology, inflammation, infection, or pain treatment.
Related glossary terms
- triptans
Migraine Medications
- cornea
Clear Front Window
- punctum
Tear Drain Opening
- antidepressant
Mood-Regulating Drug
- antihistamine
Allergy-Blocking Drug
- aqueous-deficient
Insufficient Tear Production
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.