"i was on loestrin for about 3 years before switching to its generic equivalent, mylan. after about 5 years of being on this brand i started getting really bad symptoms (nausea, cold sweats, dropped body temp, migraine) so i decided to quit birth control all together (was on it about 10 years). within 2 months i gained 10 pounds, particularly in the midsection. at first i didn&#039;t connect the dots and started a straight vegetarian meal prep diet and worked out 4-6 times a week. my weight steadily kept going up until i gained about 30 lbs in 6 months, again mostly in my belly. i read up that this is a common side effect of quitting birth control, particurly with the loestrin/mylan 24 fe brand. it&#039;s been over a year and still no end in sight"