> Western Medicines > Roflumilast

What is Roflumilast for?

Roflumilast belongs to a class of medications called phosphodiesterase inhibitors. It can relax the smooth muscle of the airways and stop the airways from reacting to external stimuli. Roflumilast is used to treat chronic obstructive pulmonary disease.

How to use it?

In Hong Kong, Roflumilast is taken as oral tablets. It does not differ much whether you take the tablets before, during or after the meals.


Chronic obstructive pulmonary disease
Adult and elderly
250 mcg once daily for 4 weeks, followed by 500 mcg once daily.

What are the side effects of Roflumilast?

Common side effects of Roflumilast include headache, diarrhea, nausea, weight loss, influenza, sleeplessness and back pain.

Who should not take Roflumilast?

  • People allergic to Roflumilast or any component of the formulation.
  • Patients with moderate to severe hepatic impairment.

Pharmacist Tips:

  • Stop smoking while you are on this medication.
  • Know what triggers your COPD and avoid them.
  • Regular exercise at a moderate intensity.

Common dosing schedule:
Roflumilast tablets are taken once daily without regard to the meal arrangement. For example, you can take it in the morning to prevent the effect of sleeplessness.


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


Some common medications Roflumilast may interact with:

Roflumilast may interact with many other medications. Please notify your doctor or pharmacist if you are taking the above medication, dosage adjustments might be needed.

Where to buy Roflumilast in Hong Kong?

In Hong Kong, Roflumilast 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 https://www.drugoffice.gov.hk

Need more information?

For detailed information about the use of Roflumilast 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
  • 500mcg (Tablets)
Drug class
Sub class
Phosphodiesterase Inhibitors
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