I Am On Levothyroxine 75...I Am Having Frequency In Bowel

I am on Levothyroxine 75...I am having frequency in bowel movement...I know from the medicine. off for 1 month....2 weeks after stopped I returned to normal...Doctor lowered to 50.....5 days in I started again....I stopped took 7 days returned to normal.....Now trying Synthroid...I think after 5 days I am starting again.....what to you suggest I try now Armour???? I need medicine my count was high 15 without medicine
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