Hi mate, first of all .. congratulation on receiving the MR
Secondly, what medicines we are taking are out of scope in medical tests that we undergo for immigration.
Read this for General Medical Exam Stuff :
http://www.cic.gc.ca/english/information/medical/medexams-perm.asp
(1) Urinalysis (protein, glucose and blood by dipstick — if blood positive then microscopic report required) for applicants five (5) years and over.
(2) Serological test for syphilis for applicants fifteen (15) years and over.
(3) HIV testing for applicants fifteen (15) years of age and over, as well as on those children who have received blood or blood products, have a known HIV positive mother, are potential adoptees, or with an identified risk. An ELISA HIV screening test should be done for HIV 1 and HIV 2.
(4) Serum creatinine if the applicant has hypertension, diabetes, autoimmune disorder, persistent proteinuria, or kidney disorder.
And other tests as mandated by the DMP handbook.
(5) vision test
(6) Chest xray
(7) BP check
DMP Handbook PDF here:
http://img2.timg.co.il/forums/1_128146306.pdf
CLUE : Do not disclose any of your illness/medical history unless you think that will be disclosed in blood/urine tests.
And usually, Diabetes is the one common thing that shows up in blood test. So, other than this you need not disclose any of your illness.
Be positive. Do not worry much.
Cheers,
Prarthu