Coxleon contains celecoxib, a COX-2 selective anti-inflammatory. It is used for osteoarthritis, rheumatoid arthritis, ankylosing spondylitis and acute pain. Its main advantage over ordinary anti-inflammatories is that it is gentler on the stomach — but it carries the same cardiovascular cautions.
What is Coxleon?
Coxleon is registered in South Africa as Schedule 3:
| Product | Contains |
|---|---|
| Coxleon 100 mg | Celecoxib 100 mg capsule |
| Coxleon 200 mg | Celecoxib 200 mg capsule |
Celecoxib is also sold in South Africa as Celebrex and other generics. Being dispensed one rather than another is ordinary generic substitution.
Celecoxib is a COX-2 selective non-steroidal anti-inflammatory drug, and the selectivity is the whole point of the medicine.
Traditional NSAIDs such as ibuprofen and diclofenac block two enzymes:
- COX-1, which produces prostaglandins that maintain the stomach lining, support normal kidney blood flow, and help platelets clot.
- COX-2, which is switched on at sites of inflammation and produces the prostaglandins driving pain and swelling.
Blocking COX-2 relieves inflammation; blocking COX-1 is what damages the stomach. Celecoxib acts mainly on COX-2, so it delivers anti-inflammatory relief with substantially less risk of ulcers and gastrointestinal bleeding.
Two important qualifications. First, “selective” is not “exclusive” — the stomach risk is reduced, not abolished. Second, and more significantly, COX-2 selectivity does not reduce cardiovascular risk. The kidney and heart cautions that apply to all NSAIDs apply here too, and this class has been closely scrutinised for cardiovascular safety. Celecoxib is a gentler choice for the stomach, not a safer NSAID overall.
Because it does not meaningfully affect platelets, it also does not have aspirin’s clot-preventing effect — and it does not substitute for low-dose aspirin if you take that for your heart.
What is Coxleon commonly used for?
- Osteoarthritis, for pain and stiffness — a common long-term use.
- Rheumatoid arthritis, for symptom control alongside disease-modifying treatment.
- Ankylosing spondylitis, for pain and spinal stiffness.
- Acute pain, including after surgery or injury.
- Period pain.
- Musculoskeletal pain, where an anti-inflammatory is appropriate but ordinary NSAIDs are not tolerated.
It is often chosen specifically for people at higher risk of stomach problems — those who have had an ulcer, are older, take a steroid, or need an anti-inflammatory for a long period.
Use the lowest effective dose for the shortest time that works. As with all NSAIDs, risk rises with dose and duration. It relieves symptoms and does not slow joint damage in arthritis.
How Coxleon fits into this medicine category
| Group | Examples | What it does |
|---|---|---|
| Simple analgesics | Paracetamol | Pain and fever; minimal anti-inflammatory effect |
| Non-selective NSAIDs | Ibuprofen, diclofenac, indomethacin | Pain and inflammation; higher stomach risk |
| COX-2 selective | Celecoxib (Coxleon), etoricoxib | Anti-inflammatory, gentler on the stomach |
| Topical NSAIDs | Diclofenac gel | Local relief, much less systemic exposure |
| Corticosteroids | Prednisone | Powerful anti-inflammatory, given as courses |
| Opioids | Tramadol, codeine | Moderate to severe pain of other kinds |
For someone with a healthy stomach and no cardiovascular risk factors, a traditional NSAID is usually tried first. See the pain, inflammation and musculoskeletal medicines hub.
What to check before using Coxleon
Do not take it with another anti-inflammatory. Adding ibuprofen or diclofenac reintroduces exactly the stomach risk celecoxib was chosen to avoid, and gives no extra pain relief. Check cold, flu and period-pain products for hidden NSAIDs.
Tell your doctor if you have a sulfonamide allergy. Celecoxib is a sulfonamide, and this is a specific contraindication that does not apply to other NSAIDs.
Speak to a pharmacist or doctor first if you:
- Have heart disease, heart failure, high blood pressure, or a history of heart attack or stroke. COX-2 inhibitors are generally avoided in established cardiovascular disease.
- Have peripheral arterial disease or cerebrovascular disease.
- Have had a stomach ulcer or gut bleeding. The risk is reduced but not removed.
- Have kidney disease, or are dehydrated.
- Have liver disease.
- Have asthma, particularly if aspirin or NSAIDs have caused wheezing.
- Have inflammatory bowel disease.
- Are over 65.
- Are pregnant. NSAIDs are generally avoided, particularly from around 20 weeks and definitely in the third trimester.
- Are breastfeeding.
- Take warfarin or another blood thinner.
- Take an ACE inhibitor or ARB with a diuretic — that trio plus an NSAID can cause acute kidney injury.
- Take fluconazole, which raises celecoxib levels significantly, or lithium, methotrexate, or an SSRI antidepressant.
- Take low-dose aspirin for your heart — celecoxib does not replace it, and combining them raises stomach risk.
Take it with food or water, and follow the pack instructions. This page does not set doses.
Possible cautions and when to ask a pharmacist or doctor
Common effects are indigestion, nausea, abdominal discomfort, diarrhoea, headache, dizziness and swelling of the ankles.
Stop and seek medical attention urgently if you notice:
- Chest pain, breathlessness, or sudden one-sided weakness or slurred speech — seek emergency care.
- Vomiting blood, or vomit resembling coffee grounds.
- Black, tarry stools.
- Severe stomach pain.
- Swelling of the face, lips or tongue, or difficulty breathing.
- A spreading rash, blistering or peeling skin, or sores in the mouth — serious skin reactions are recognised with sulfonamide medicines and need immediate attention.
- Yellowing of the eyes or skin.
- Much less urine than usual, or marked swelling of the ankles.
- Unexplained weight gain or breathlessness lying flat.
Serious stomach bleeding can still occur, and can develop without warning pain first.
See a doctor if pain is not controlled, if you need it continuously, or if your circumstances change — particularly your blood pressure, kidney function or heart health, which should be reviewed periodically during long-term use.
Related medicine guides
- Browse Pain, Inflammation & Musculoskeletal Medicines guides
- Read: Prednisone used for
- Read: Donapan used for
Frequently asked questions
What is Coxleon used for? Osteoarthritis, rheumatoid arthritis, ankylosing spondylitis and acute pain. It contains celecoxib, a COX-2 selective anti-inflammatory.
What is Coxleon 100 used for? The lower strength, often used for osteoarthritis or as a starting dose. Your doctor decides which strength suits you.
What is Coxleon 200 mg used for? The higher strength, used for the same conditions where more anti-inflammatory effect is needed, including acute pain.
How is it different from ibuprofen? It selectively blocks COX-2, so it is considerably gentler on the stomach. It is not gentler on the heart or kidneys.
Is it safer than other anti-inflammatories? Safer for the stomach, yes. The cardiovascular and kidney cautions are the same, so it is not a safer NSAID overall.
Can I take it with aspirin? Celecoxib does not replace low-dose aspirin for heart protection, and combining them raises stomach risk. Ask your doctor.
Can I take it if I am allergic to sulfa drugs? Tell your doctor first. Celecoxib is a sulfonamide, and this is a specific contraindication.
Can I take it with paracetamol? They are different medicines and are sometimes used together on advice. Do not combine it with another anti-inflammatory.