Celecoxib is a selective COX-2 inhibitor belonging to the NSAID (non-steroidal anti-inflammatory drug) class.
It is widely used in medicine for its powerful anti-inflammatory, analgesic, and antipyretic properties, with the advantage of less gastrointestinal irritation compared to traditional NSAIDs that inhibit both COX-1 and COX-2. Celecoxib is commonly supplied in celecoxib 100mg and 200mg strengths.

Technical Specification

Name: Celecoxib

CAS: 169590-42-5

Category: COX-2 Selective NSAID

Forms: API grade, pharmaceutical intermediate

Strengths: celecoxib 100mg, 200mg

Applications: Pain management, inflammation control, chronic joint diseases

Celecoxib selectively blocks the cyclooxygenase-2 (COX-2) enzyme.
COX-2 is responsible for producing pro-inflammatory prostaglandins.
By inhibiting COX-2 while sparing COX-1, celecoxib:

• Reduces inflammation
• Relieves pain
• Avoids major COX-1-related GI side effects (ulcers, stomach bleeding)

This COX-2 selectivity is the key reason celecoxib is considered safer on the stomach compared with older NSAIDs like ibuprofen or naproxen.

Celecoxib is widely used to manage conditions such as:

• Osteoarthritis
• Rheumatoid arthritis
• Ankylosing spondylitis
• Acute pain (post-operative, musculoskeletal, etc.)
• Primary dysmenorrhea
• Chronic inflammatory pain conditions

In many treatment guidelines, celecoxib is preferred when the patient is at risk for GI complications, due to its COX-2 selectivity.

Though well-tolerated, some reported side effects include:

• Headache
• Indigestion / stomach discomfort
• Diarrhea or constipation
• Edema (fluid retention)
• Dizziness
• Raised blood pressure

Rare: cardiovascular risk (when used long-term or at high doses)

Many clinicians choose celecoxib specifically because it has lower GI bleeding risk versus non-selective NSAIDs.

 

What users care about most：

Pain relief effectiveness
  Many users note that celecoxib works better for deep joint pain, arthritis, and inflammation-driven pain compared to regular painkillers.

Stomach protection
  People repeatedly mention that celecoxib is much easier on the stomach than ibuprofen or naproxen.

Cardiovascular concerns
  A recurring topic is worries about long-term risks such as:

    Blood pressure increase

    Heart-related side effects at high or prolonged doses
    Users often compare celecoxib vs meloxicam regarding safety.

How quickly it works
  Many say the onset is slower but offers longer-lasting relief (~12–24 hours).

Use for back pain and sports injuries
Many users find celecoxib effective for chronic back pain or inflammation-based pain, but less effective for nerve pain.

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