Medicines & Supplements A to Z > Frusemide


Last updated on July 3, 2019.

Overview   |   Dosage   |   Side Effects   |   Where To Buy  

GENERIC NAMES: Frusemide, Furosemide 



What is Frusemide for?

Frusemide belongs to a class of medications called loop diuretics. It works by balancing the amount of salt and water in your body resulting in an increase in the volume of your urine output. Frusemide can be used to treat oedema and high blood pressure.

How to use it?

Frusemide can be taken by mouth as tablets or given by injection. Since Frusemide is a very effective diuretic, your dose will be adjusted based on your response. Usual adult oral doses range from 20 to 40 mg daily in the morning. For maintenance dosing, Frusemide can be taken once or twice daily. If taken twice daily, most people take the second dose around lunchtime so as to avoid excessive urination overnight. 

What are the side effects of Frusemide? 

Common side effects of Frusemide include dizziness, electrolyte imbalance (low potassium), fatigue, headache, metabolic alkalosis, muscle spasms, and nausea.

Where to buy Frusemide in Hong Kong?

In Hong Kong, Frusemide is a prescription only medicine, and requires a prescription from a doctor to be purchased in a pharmacy. 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

For detailed information about the use of Frusemide 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.