About phenylephrine hydrochloride + zinc sulfate
Ophthalmic decongestant and astringent
Used for
- Temporary relief of minor eye redness and irritation.
Usual adult dose
Usually 1–2 drops in the affected eye, up to four times daily; product directions vary.
Common side effects
- Brief stinging or burning
- Blurred vision
- Eye irritation
- Pupil dilation
Important warnings
- Not for prolonged use; persistent redness may signal a serious eye problem.
- Seek urgent care for eye pain, vision changes, injury, or marked light sensitivity.
- Use caution with narrow-angle glaucoma, heart disease, high blood pressure, or thyroid disease.
- Stop if irritation worsens or symptoms persist.
Pregnancy
Safety is not well established; use only when clearly needed and under professional guidance.
Breastfeeding
Safety is not well established; professional guidance is appropriate before use.
Interactions
- Monoamine oxidase inhibitors and some antidepressants may increase phenylephrine effects.
- Other medicines that raise blood pressure or stimulate the heart may increase side effects.
- Other eye drops may require spacing between applications.
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 It may be incomplete or out of date.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.