Medicines & Supplements A to Z > Celecoxib


Last updated on 19/03/2021.

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

GENERIC NAME: Celecoxib 


BRAND NAME(S) IN HONG KONG: Apo-Celecoxib, Celcox, Celebrex 痛博士, Celecolen

DRUG CLASS: Analgesic, non-opioid; Non-steroidal anti-inflammatory drug (NSAID), COX-2 selective

USED FOR: Pain relief, including pain caused by osteoarthritis, rheumatoid arthritis, menstruation, and ankylosing spondylitis

OTHER DRUGS IN THE SAME CLASS: Etoricoxib, Parecoxib

AVAILABLE DOSAGE FORMS: 100mg, 200mg, 400mg (tablets)

What is Celecoxib for?

Celecoxib belongs to a class of medications called non-steroidal anti-inflammatory drugs like Ibuprofen. It has a range of uses, including:

– Pain and inflammation in osteoarthritis
– Pain and inflammation in rheumatoid arthritis
– Dysmenorrhoea (menstrual pain)
– Pain relief
– Ankylosing spondylitis

How to use it?

For pain and inflammation in osteoarthritis


200 mg daily in 1-2 divided doses, then increase if necessary up to 200 mg twice daily, discontinue if no improvement after 2 weeks on maximum dose

For pain and inflammation in rheumatoid arthritis



100 mg twice daily, then increase if necessary to 200 mg twice daily, discontinue if no improvement after 2 weeks on maximum dose

For dysmenorrhoea / pain relief


Initially 400 mg, followed by 200 mg if necessary on the first day; Maintenance: 200 mg twice daily

For ankylosing spondylitis


200 mg daily in 1-2 divided doses, then increase if necessary up to 400 mg daily, discontinue if no improvement after 2 weeks on maximum dose

What are the side effects of Celecoxib?

Like all NSAIDS, the main side effects of Celecoxib are indigestion, nausea, bleeding gastric ulcer, and allergic reaction. With long-term use, Celecoxib can cause kidney injury, bleeding and increase the risk of a cardiovascular event.

Who should not take Celecoxib?

– Anyone who has allergic reactions after taking Aspirin or other NSAIDs. Discuss with your doctor if you have ever got symptoms such as hives and flushing after taking Aspirin or other NSAIDs to see if you could change to another drug instead
– Anyone who has an allergy to Celecoxib or any other components of the product
– People with heart failure or chronic kidney disease

Pharmacist Tips:

Many NSAIDs are available in Hong Kong and should not be used while taking Celecoxib.

Common dosing schedule:
You can take Celecoxib with or without food. 

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

Some common medications Celecoxib may interact with:
– Angiotensin II receptor blockers, e.g. Valsartan, Losartan
– Angiotensin-converting enzyme inhibitors, e.g. Captopril, Lisinopril
– Antiplatelet and anticoagulant drugs e.g. Apixaban, Warfarin
– Bisphosphonates, e.g. Alendronate
– Other NSAIDs, e.g. Aspirin, Diclofenac
– Selective serotonin reuptake inhibitors, e.g. Fluoxetine, Sertraline

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

Where to buy Celecoxib in Hong Kong?

In Hong Kong, Celecoxib 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

Need more information?

For detailed information about the use of Celecoxib 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.