Lo Loestrin Fe Dosage

The standard dosage of Lo Loestrin Fe is the same for all women -- one pill taken once a day, at the same time every day. It is typically recommended that you start the pills on the first day of your period. It is important to take these pills correctly, as missing doses increases your risk for pregnancy.

An Introduction to Dosing With Lo Loestrin Fe

There is only one standard dose of Lo Loestrin™ Fe (norethindrone/ethinyl estradiol). As always, do not adjust your dose unless your healthcare provider specifically tells you to do so.

Lo Loestrin Fe Dosage for Birth Control, Acne, or Premenstrual Dysphoric Disorder

Starting at the beginning of the pack, take one tablet at the same time each day. Each pack will last for 28 days (four weeks). After you finish one pack, immediately start a new one. The first 24 tablets (which are blue) contain both of the active hormones (norethindrone and ethinyl estradiol). The next two tablets (white) contain only ethinyl estradiol. The last two tablets (brown) contain neither of the active hormones; these tablets contain iron.
When you take Lo Loestrin Fe for the first time, you should start it on the first day of your period. If you start Lo Loestrin Fe on the first day of your period, as recommended, you do not need any backup contraception.
If you start Lo Loestrin Fe on any other day, you need to use a backup method of contraception, such as condoms, for the first week. If you switch from another type of birth control pill, start taking Lo Loestrin Fe on the day you would normally start a new pack of birth control pills (no backup method of contraception is necessary).
Last reviewed by: Kristi Monson, PharmD
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