Medicines & Supplements A to Z > Celebrex


Last updated on 07/10/2021.

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



DRUG CLASS: Analgesics

SUB CLASS: COX-2 Inhibitors

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

100mg, 200mg, 400mg (tablets)

What is Celebrex for?

Celebrex is a type of Nonsteroidal Anti-inflammatory Drugs, and more specifically as a COX-2 inhibitor. COX-2 is an enzyme that is responsible for pain signalling, and inhibiting this can reduce pain. It is mainly used for pain relief including menstrual pain, osteoarthritis and rheumatoid arthritis.

How to use it?

Celebrex can be taken orally. 

For pain and inflammation in osteoarthritis
200 mg daily in 1-2 divided doses

For pain and inflammation in rheumatoid arthritis
200 mg daily in 1-2 divided doses, then increase if necessary to 200 mg twice daily.

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 6 weeks on maximum dose and consider alternative therapy.

What are the side effects of Celebrex?

Common side effects of Celebrex include indigestion, nausea and vomiting.

For people taking Celebrex for long-term, it may cause kidney injury and stomach bleeding.

Who should not take Celebrex?

– People who are allergic to sulfonamides, celecoxib or any component of the formulation.
– People who are allergic to NSAIDs and have a history of hypersensitivity reactions (e.g. asthma, urticaria) after taking Aspirin or any other NSAIDs.
– Patients who have chronic kidney disease

Pharmacist Tips:

Only take one NSAIDs at any one time, and do not combine Celebrex with other NSAIDs medicines.

Common dosing schedule:
Celebrex can be taken with or without food.

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

Some common medications Celebrex may interact with:
– Antiplatelet and anticoagulant drugs e.g. Warfarin
Bisphosphonates, e.g. Alendronate
– Other NSAIDs, e.g. Aspirin, Naproxen
– Selective serotonin reuptake inhibitors (SSRIs), e.g. Fluoxetine, Citalopram

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

Where to buy Celebrex in Hong Kong?

In Hong Kong, Celebrex 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 Celebrex 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.