Hello, 
Thanks for the query to  H.C.M. Forum.
The ingredients of     KRIMSON 35 are as,
Cyproterone acetate 2 mg + ethinyoestradiol 0.035 mg. 
Side effects of this drug are as, 
nausea, 
vomiting, 
abdominal cramps,
BREAST tenderness ( as in your case),
depression.
 This drug is contraindicated in ,
Pregnant & lactating mother,
sickel cell anemiia,
thrombosis,
herpes,
Severe Diabetes Mellitus, 
Liver dysfunction.  
Since you are taking this drug from 5 months ,so chances is there that you got side effects of this drug ( 
breast pain and referral pain). 
Once you stop the drug within  1 month you will be cured. 
Don't bother , this is just side effect, not a permanent damage. 
Hope  I have answered your query. 
If further any question I will help. 
Good luck. 
Dr. HET