About antazoline phosphate + naphazoline hcl
Antihistamine and vasoconstrictor
Used for
- Relief of allergic eye redness, itching, and watering.
- Relief of nasal congestion and allergy symptoms.
Usual adult dose
Eye: typically 1–2 drops in affected eye up to four times daily. Nasal dosing varies by product; follow its label.
Usual dose in children
Not established for children; age restrictions vary by product and country.
Common side effects
- Temporary eye stinging, irritation, or blurred vision.
- Nasal dryness, burning, or sneezing.
- Headache or dizziness.
- Rarely, increased eye pressure or systemic effects such as fast heartbeat.
Important warnings
- Nasal use for longer than a few days can cause rebound congestion.
- Avoid use with narrow-angle glaucoma unless a clinician approves.
- Use cautiously with high blood pressure, heart disease, or overactive thyroid.
- Eye and nasal formulations are not interchangeable; follow the product label.
Pregnancy
Safety is not well established; use only when a clinician considers it necessary.
Breastfeeding
Safety is not well established; consult a clinician before use.
Interactions
- MAO inhibitors may increase blood-pressure effects.
- Other medicines that raise blood pressure or stimulate the heart may increase adverse effects.
- Other eye drops may need to be spaced apart.
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 It may be incomplete or out of date.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.