Notify your physician or pharmacist if any of the following side effects get serious or lasts extended than a couple of days: Oral contraceptives, norethisterone and/or ethinyl oestradiol Co-administration of pregabalin with the oral contraceptives norethisterone and/or ethinyl oestradiol will not affect the regular-condition pharmacokinetics of both substance. Enter the http://thesleepingpills.com