> Western Medicines > Piprinhydrinate


Used for: Allergic rhinitis, Vertigo, Motion sickness, Urticaria
Chinese name:

What is Piprinhydrinate for?

Piprinhydrinate is a sedating (first generation) antihistamine that can relieve symptoms of allergic rhinitis, urticaria (an allergic skin reaction commonly known as hives), vertigo and motion sickness.

How to use it?

Piprinhydrinate can be taken by mouth, with or without food. Taking Piprinhydrinate with food may help to reduce gastrointestinal discomfort. Take 3 mg three times daily for the relief of allergic symptoms.

What are the side effects of Piprinhydrinate?

Common side effects of Piprinhydrinate include drowsiness and dizziness, constipation, insomnia, stomach pain, and gastrointestinal discomfort.

Who should not take Piprinhydrinate?

People allergic to Piprinhydrinate or any component of the formulation.

Pharmacist Tips:

  • This medication can make you dizzy. Avoid driving or operating machinery until you know how you respond to Piprinhydrinate.
  • Avoid alcohol while taking this medication.

Common dosing schedule:
Piprinhydrinate should be taken 3 times daily.


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


Some common medications Piprinhydrinate may interact with:
Piprinhydrinate may interact with other sedating medications, such as,

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

Where to buy Piprinhydrinate in Hong Kong?

In Hong Kong, Piprinhydrinate 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 Piprinhydrinate 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.

Brands in Hong Kong
Available dosage
  • 3mg/ml (Injections)
  • 3mg/5ml (Syrup)
  • 3mg (Tablets)
Drug class
Sub class
Antihistamines (First Generation)
Other drugs in same class
Used for: Hay fever, Asthma, Allergic rhinitis
Chinese name:
Used for: Motion sickness, Vertigo, Peripheral circulatory disorders
Chinese name:
Used for: Urticaria, Upper respiratory allergies
Chinese name:
Chinese name: