About tetryzoline hydrochloride
Ocular alpha-adrenergic decongestant
Used for
- Temporarily relieves redness and minor irritation from allergies, smoke, or wind.
Usual adult dose
Instill 1–2 drops in the affected eye up to four times daily.
Usual dose in children
For children aged 6 years and older, use the adult dose; safety varies by product. Not for younger children unless directed by a clinician.
Common side effects
- Temporary stinging or burning
- Blurred vision
- Eye dryness or irritation
- Dilated pupils
Important warnings
- For eye use only; do not swallow.
- Frequent or prolonged use can worsen redness.
- Stop use and seek medical attention for eye pain or vision changes.
- Remove contact lenses before use; avoid touching the dropper tip.
Pregnancy
Use only when needed and after discussing with a healthcare professional; pregnancy safety information is limited.
Breastfeeding
Use cautiously; avoid excessive use and discuss with a healthcare professional.
Interactions
- Monoamine oxidase inhibitors may increase blood pressure effects if enough medicine is absorbed.
- Other eye medicines may interact; separate drops by at least five minutes.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.