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Read your prob, tab diane is cyproterone
n tab althea is combination of cyproterone n estradiol
. primarily both drug are not indicated as contraceptive
pills . mainly they use for some other dieasea like prostate carcinoma, acne , hersuitism ,hypersexuality
. these are not stop promptly, they should be taper slowely. you should that pill which are primarily indicated as contraceptive pill , they has no side effect n with drawan symptomes.