That is a pretty normal amount they usually start them on (orally). I don't know the conversion, but generally 40 to 50 mg is the norm. Good luck!!
Been living with Crohn's Disease for 33 years. Currently on Asacol, Prilosec, Estrace, Prinivil, Diltiazem, Percoset prn for pain, Zofran, Phenergan, Probiotics, and Calcium. Resections in 2002 and 2005. Also diagnosed with Fibromyalgia and Osteoarthritis. Currently my Crohns is in remission.