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Did anybody have suspected agranulocytosis or neutropenia (low white cells count) Carbimazole induced?
I have started taking Carbimazole 4 weeks ago. Last week I have developed a fever, a sore throat and a few mouth ulcers (never suffered from them before). As advised by the endocrinologist, due to the rare possible complication of agranulocytosis induced by Carbimazole, I have done an urgent blood count the day after at my GP surgery. Although my values are in the norm, the neutrophil and total white cell count dropped significantly since my previous blood count 6 weeks ago: neutrophil went from 4.6 to 2.1 (range from 2.00 to 7.5) and total white cell from 7.5 to 5.2 (range from 4.00 to 11.00). The rest of the values have been completely unchanged from 6 weeks ago. The endocrinologist said there is most likely nothing worrying and it is probably due to a viral infection, and to repeat the blood count in 10 days.
As the neutrophil are now at the very bottom of the range (I never had it this low in any blood test I ever taken in my life), I worry a little and I am looking for experience of low white blood cell count while on Carbimazole.
The medicine is helping me immensely with hyperthyroidism symptoms: I have gotten rid of tremors, heart rate is under control (although still highl for me), my periods are back and I can sleep 4 to 6 hours per night (vs the 2 maximum 3 of 6 weeks ago). So I would hate to have to stop it because of neutropenia.
Thank you for sharing your experience!
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