> Western Medicines > Naphazoline


Used for: Nasal congestion, Allergic eye conditions
Chinese name:

What is Naphazoline for?

Naphazoline belongs to a class of medication known as sympathomimetics. It works by opening up the nostril and is used to treat nasal congestion. When used as eye drops, it causes blood vessels to constrict to reduce the redness in the eyes in minor eye irritations.

How to use it?

Naphazoline is available as eye drops and nasal drops. Clean your hands before and after each application.

Nasal congestion
Adult and children over 12 years of age
Apply 1-2 drops in each nostril up to 6 hourly for 3 days.

For minor eye irritations
Adult and children over 12 years of age
Instil 1-2 drops into the affected eyes two or three times a day.

What are the side effects of Naphazoline?

Common side effects of Naphazoline include dry nose, sneezing and temporary nasal mucosa irritation. Using more than 1 week can cause rebound nasal congestion.

Who should not take Naphazoline?

  • Anyone who is allergic to Naphazoline or any component of the formulation
  • Patients with narrow-angle glaucoma, corneal damage or other serious eye conditions
Healthy Matters

Sign Up to Unlock the Article - It's Free!

Read the full article. Join the Healthy Club: access to 1,000+ healthy tips & guides, plus special discounts! Start your journey.

Already a member?

Where to buy Naphazoline in Hong Kong?

In Hong Kong, Naphazoline is an over-the-counter medicine and can be purchased without a prescription from any retail outlet in Hong Kong. This includes grocery stores, convenience stores, medicine shops, and pharmacies. It can also be obtained from doctors. To find a pharmacy near you, refer to the list of pharmacies (“Authorized Sellers of Poisons”) from the Hong Kong Department of Health.  

For more information about drug names and ingredients, you can visit Hong Kong’s Drug Office at https://www.drugoffice.gov.hk

Need more information?

For detailed information about the use of Naphazoline in children, pregnancy and breastfeeding, and for questions about drug interactions, please check with your pharmacist or doctor.

Disclaimer: our goal is to provide you with the most relevant drug information and common dosage for Hong Kong. This information does not constitute medical advice. For specific treatment recommendations and advice, always discuss with your doctor or pharmacist, and follow the instructions included with your specific medicine.

Available dosage
  • 0.10% (Eye Drops)
  • 0.10% (Nasal Drops)
Drug class
Sub class
Alpha Agonists
Other drugs in same class
Used for: Nasal congestion
Chinese name:
Used for: Nasal congestion, Flu, Common cold
Chinese name:
Used for: Acute Hypotension
Chinese name:
Chinese name:
Used for: Hay fever, Asthma, Allergic rhinitis
Chinese name:
Used for: Allergic conditions, Hay fever, Nasal congestion
Chinese name: