Get your Health question answered in 3 easy steps Hi, I am Dr. Herrick J. Siegel (Orthopedic Surgeon). I will be looking into your question and guiding you through the process. Please write your question below. Ask a Doctor Now 176 Doctors are Online Public Forum Home » Bones, Muscles and Joints » Arthritis Is Nucoxia & Duzela right medication for ankolysing spondilytis? Dear Sir. I am suffering from Ankolysing spondilytis since 3 years, now situation is very tuff to hande because of stiffness in neck & back . I am taking Nucoxia 90 mg & Duzela 20 mg once in twice day to get relief. Please suggest, is this right medicine to take longer time.