Medicines & Supplements A to Z > Neozep


Last updated on 02/07/2021.

Overview   |   Dosage   |    Side Effects   |   Precautions  |   Tips  |   Where To Buy  

GENERIC NAME: ascorbic acid + chlorphenamine maleate + paracetamol + phenylpropanolamine hydrochloride + salicylamide


DRUG CLASS: Sympathomimetics, Analgesics

SUB CLASS: Alpha agonists, Non-opioid analgesics

USED FOR: Symptomatic relief of common cold, Allergic rhinitis

What is Neozep?

Neozep is a brand of product used for the relief of clogged nose, runny nose, postnasal drip, itchy and watery eyes, sneezing, headache, body aches and fever associated with the common cold, allergic rhinitis, sinusitis, flu, and other minor respiratory tract infections.

How to use it?

Neozep is taken by mouth every 6-8 hours, or as recommended by a doctor. It is indicated for adults and children above 12 years old. It can be taken with or without food.

What are the side effects of Neozep?

Common side effects of Neozep include drowsiness and dizziness, dry mouth, fatigue, headache, nausea, blurred vision, impaired concentration, abnormal coordination, trouble sleeping and nervousness.

Who should not take Neozep?

– People allergic to any component of the formulation.
– Patients with high blood pressure or severe heart disease

Pharmacist Tips:

– This product contains Chlorphenamine Maleate, a sedating drug. Avoid driving or operating machinery until you know how you respond to Neozep.
– Do not use multiple products containing Paracetamol to avoid using more than the maximum recommended daily dose.
– Elderly patients (>65 years old) may be more sensitive to the side effects of Chlorphenamine Maleate.

Common dosing schedule:
Neozep can be taken every 4-6 hours, or as needed. Neozep can be taken with or without food.

This schedule is for reference only, adjustments may be made according to individual needs.

Some common medications Neozep may interact with:
– Sympathomimetic agents, e.g. Pseudoephedrine
– Tricyclic antidepressants, e.g. Amitriptyline, Nortriptyline
– Antihistamine, e.g. Diphenhydramine, Fexofenadine, Levocetirizine, LoratadinePromethazine

Please notify your doctor or pharmacist if you are taking the above medication, dosage adjustments might be needed.

Where to buy Neozep in Hong Kong?

In Hong Kong, Neozep 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

Need more information?

For detailed information about the use of Neozep 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.