Used for: Common cold, Flu

What is Lemsip?

Lemsip is a brand medication that contains Paracetamol and Phenylephrine Hydrochloride, which belong to the class of Analgesics and Sympathomimetics. They work in combination for pain relief and nasal congestion associated with cold and flu.

How to use it?

Lemsip is available as capsules and sachets. For cold and flu, take 2 capsules four times a day when required. Do not take more than 8 capsules a day.


For sachets, dissolve 1 sachet into hot water, and take every 4-6 hours when required. Do not take more than 4 sachets in 24 hours.

What are the side effects of Lemsip?

There are no common side effects of Lemsip. However, if you take more than the stated maximum daily dose, it may cause liver toxicity.

Who should not take Lemsip?

  • People who are allergic to Lemsip or any component of the formulation.

Pharmacist Tips:

  • Do not take more than the stated maximum daily dose as it may cause liver toxicity.
  • Do not use other products containing Paracetamol.

Common dosing schedule: 
Take every 4-6 hours as needed. 

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

Some common medications Lemsip may interact with:

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

Where to buy Lemsip in Hong Kong?

In Hong Kong, Lemsip 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 Lemsip 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
  • (Sachets)
  • (Capsules)
Drug class
Analgesics, Sympathomimetics
Sub class
Alpha Agonists, Non-Opioid Analgesics
Other drugs in same class
Used for: Hay fever, Asthma, Allergic rhinitis
Chinese name:
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Used for: Nasal congestion, Allergic eye conditions
Chinese name:
Used for: Pain relief, Fever
Chinese name:
Used for: Nasal congestion, Common cold, Flu
Chinese name:
Used for: Nasal congestion, Flu, Common cold
Chinese name: