The usual dose is 200 to 400-mg. per day. This drug is used for both rheumatoid arthritis and osteoarthritis. You doctor will tell you how many pills to take and how often. Follow your doctor’s directions. For the best results, take these pills at the same time every day. Do not take more or less medicine than ordered. This medicine may be taken with or without food. If your condition requires, your doctor may prescribe 200 mg per day (one 100 mg tablet twice daily). You should take your Celebrex every single day, and do not skip or alter your dosage. It is important that you take this medication exactly as it was prescribed to you by your doctor. Early on I was given 200 mg celebrex twice a day. If i remember correctly it took about 2 weeks for me to see any difference. It doesn't work anymore for me. I will take naprosyn which is cheaper. If i remember correctly it took about 2 weeks for me to see any difference. The recommended starting dosage for most people with acute pain or painful menstruation is Celebrex 400 mg, followed by another 200 mg, if needed, on the first day. After the first day, the recommended dose is 200 mg, twice a day, as needed. For AS, the dosage of CELEBREX is 200 mg daily in single (once per day) or divided (twice per day) doses. If no effect is observed after 6 weeks, a trial of 400 mg daily may be worthwhile. If no effect is observed after 6 weeks on 400 mg daily, a response is not likely and consideration should be given to alternate treatment options. Although CELEBREX 100 mg twice daily and 200 mg twice daily provided similar overall effectiveness, some patients derived additional benefit from the 200 mg twice daily dose. Doses of 400 mg twice daily provided no additional benefit above that seen with 100-200 mg twice daily. 400 mg as a single dose on the first day and 200 mg twice daily on following days. You may take Celebrex for up to 5 days. You may take Celebrex for up to 5 days. Muscle and joint injuries or. Celebrex comes in capsules of 50, 100, 200, and 400 milligrams (mg), and your doctor will try to find the lowest dose of Celebrex that works for you. You'll take Celebrex once or twice a day, with. The recommended dose of Celebrex in rheumatoid arthritis patients can be up to 200mg twice a day, so I assume the dosage is okay. However, I do not know your medical history and there may be increased risks if the dose is increased. Celebrex 400 mg. The recommended starting dosage for most people with acute pain or painful menstruation is 400 mg of Celebrex, followed by another 200 mg, if needed, on the first day. After the first day, the recommended dose is 200 mg, twice a day, as needed.