About phenyleph erine hydrochlo
Ophthalmic alpha-adrenergic agonist
Used for
- Dilates the pupil for eye examinations or procedures
- Relieves eye redness by narrowing surface blood vessels
Usual adult dose
Examination: typically 1 drop before the procedure; repeat only as directed. Redness treatment varies by product.
Common side effects
- Temporary stinging or blurred vision
- Eye irritation or watering
- Headache or light sensitivity
Important warnings
- May raise blood pressure or affect heart rhythm, especially if absorbed
- Use cautiously with heart disease, high blood pressure, or thyroid disease
- Avoid driving until vision clears after pupil dilation
- Do not use for persistent or worsening redness without assessment
Pregnancy
Use only when needed and under medical guidance; pregnancy safety information is limited.
Breastfeeding
Eye drops may be absorbed into the body; use under medical guidance.
Interactions
- Monoamine oxidase inhibitors may increase blood pressure effects
- Other medicines that raise blood pressure or affect heart rhythm may increase risks
- Beta blockers may alter cardiovascular effects
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 It may be incomplete or out of date.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.