| Definition: |
Tetrahydrozoline is a derivative of imidazoline, which is found in over-the counter-eye drops and nasal sprays. Other derivatives include naphazoline, oxymetazoline, and xylometazoline. Poisoning can result from an overdose.
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| Alternative Names: |
Murine; Visine
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| Poisonous Ingredient: |
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| Where Found: |
- tetrahydrozoline
- Tyzine Pediatric Drops
- Tyzine
- Collyrium Fresh Eye Drops
- Eyesine
- Mallazine Eye Drops
- Murine Plus
- Optigene 3
- Soothe
- Tetrasine Extra
- Visine
- Visine Extra
Note: This list may not be all inclusive.
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| Symptoms: |
- body as a whole
- respiratory
- eyes, ears, nose, and throat
- skin
- gastrointestinal
- heart and blood vessels
- rapid heartbeat
- elevated blood pressure (initially)
- low blood pressure (later)
- nervous system
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| Home Treatment: |
DO NOT INDUCE VOMITING UNLESS INSTRUCTED TO DO SO BY POISON CONTROL OR BY A PHYSICIAN.
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| Before Calling Emergency: |
Determine the following information:- the patient's age, weight, and condition
- the name of the product (ingredients and strengths if known)
- the time it was swallowed
- the amount swallowed
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| Poison Control, or a local emergency number: |
They will instruct you if it is necessary to take the patient to the hospital. See Poison Control Centers for telephone numbers and addresses. Take the container with you to the emergency room.
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| What to expect at the emergency room: |
Some or all of the following procedures may be performed:- induce emesis
- administer activated charcoal
- administer a laxative
- use gastric lavage
- administer artificial respiration (breathing) if necessary
- maintain adequate respiration rate
- treat the symptoms
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| Expectations (prognosis): |
Survival past 24 hours is usually a good sign that recovery will follow.
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