Cilostro is celecoxib capsules, diclofenac sodium extended-release capsules and celecoxib capsules difference is mainly reflected in the drug composition and therapeutic effect. 1. drug composition: diclofenac sodium extended-release capsules in the main ingredient is diclofenac sodium, belongs to the non-selective cyclo-oxygenase inhibitors, while celecoxib capsules in the main ingredient is celecoxib belongs to the selective COX-2 inhibitors. 2. Therapeutic effect: celecoxib capsules are mainly used to treat osteoarthritis, adult rheumatoid arthritis, ankylosing spondylitis and other diseases. And diclofenac sodium extended-release capsules can not only treat rheumatoid arthritis, osteoarthritis, spondyloarthropathies, gouty arthritis and other diseases, but also soft tissue rheumatic pain, such as shoulder pain, tenosynovitis, bursitis myalgia and so on. The use of diclofenac sodium extended-release capsules is strictly prohibited after taking aspirin or other non-steroidal anti-inflammatory drugs induced asthma, urticaria or allergic reactions, such as gastrointestinal reactions and other side effects may occur after taking the drug. Celecoxib Capsules should not be used in patients with a known allergy to sulfonamide, taking aspirin or other drugs including other cyclooxygenase-2 (COX-2) specific inhibitors. Side effects such as gastrointestinal bleeding and cardiovascular events such as hypertension may occur with this medication. CAUTION: Neither of these drugs should be used in combination. Adverse effects can be minimized by using the lowest effective dose for the shortest duration of therapy as needed to control symptoms. The above medications should be used under the supervision of a physician, and it is recommended that you consult your physician for specific medication.