Welcome to Health Care Magic
is body's own hormone and is unlikely to cause the itching...
Preservatives, colouring agents and others used in the preparation of the tablet may be responsible - changing to a different product / company can help
You have not stated your age, gender, personal habits, family history or co-morbidities
It may also be incidental / not related to the drug - see a dermatologist
Wishing speedy recovery