Celebrex 200mg Capsule 20 Silperex is used to treat infections and relieve pain caused by: Rheumatoid arthritis and ankylosis aureus. Osteoporosis is also used in the treatment of benign tumors in the large intestine. It should be taken as soon as you remember. If the next dose approaches, do not take the dose you forgot, and take the next dose as usual. You shouldn't take a double dose.