Lo Loestrin Fe vs. Skyla
See how Lo Loestrin Fe and Skyla compare on approved uses, dosing, side effects, and cost.
Key Takeaways
Lo Loestrin Fe is a daily pill with the lowest estrogen dose of any FDA-approved oral contraceptive, while Skyla is a hormonal IUD placed once and left in for up to three years.
Lo Loestrin Fe requires remembering a pill every day, whereas Skyla works continuously after a single in-office insertion.
Both prevent pregnancy but neither protects against HIV or other sexually transmitted infections.
Lo Loestrin Fe vs. Skyla Drug Summary
Lo Loestrin Fe
Lo Loestrin Fe is a combination oral contraceptive containing norethindrone acetate, ethinyl estradiol, and iron, taken once daily in a 28-day pack. It has the lowest estrogen dose of any FDA-approved birth control pill. It's approved to prevent pregnancy and is sometimes used off-label to manage acne or hormonal symptoms.
Skyla
Skyla is a levonorgestrel-releasing intrauterine device inserted by a clinician into the uterus to prevent pregnancy for up to three years. It's a small, low-dose hormonal IUD studied specifically in women who haven't given birth. After insertion, it requires no daily action from the patient.
Lo Loestrin Fe vs. Skyla Side Effects
Lo Loestrin Fe
Skyla
Lo Loestrin Fe vs. Skyla Dosage
Lo Loestrin Fe
Skyla
| STAGE | DOSE | WHEN |
| Starting dose | 1 mg/10 mcg once daily | Days 1-24 |
| Maximum dose | Ferrous fumarate 75mg daily | Days 27-28 |
| Dose changes | 2 increases | As tolerated |
| STAGE | DOSE | WHEN |
| Starting dose | 13.5 mg IUS, one insertion | At the start |
| Maximum dose | 13.5 mg IUS, one insertion | Same as starting |
| Dose changes | None | Fixed dose |
Lo Loestrin Fe
| STAGE | DOSE | WHEN |
| Starting dose | 1 mg/10 mcg once daily | Days 1-24 |
| Maximum dose | Ferrous fumarate 75mg daily | Days 27-28 |
| Dose changes | 2 increases | As tolerated |
Skyla
| STAGE | DOSE | WHEN |
| Starting dose | 13.5 mg IUS, one insertion | At the start |
| Maximum dose | 13.5 mg IUS, one insertion | Same as starting |
| Dose changes | None | Fixed dose |
Lo Loestrin Fe vs. Skyla Indications
Lo Loestrin Fe
Lo Loestrin Fe is FDA-approved to prevent pregnancy in women who choose an oral contraceptive. Some clinicians prescribe it off-label to help manage acne or other hormone-related symptoms. It does not protect against HIV or other sexually transmitted infections.
Prevents pregnancy with daily pill use
Off-label: may help manage acne
Off-label: may ease hormonal symptoms
Does not protect against STIs
Skyla
Skyla is FDA-approved to prevent pregnancy for up to three years after a single insertion. It was specifically studied in women who have not given birth, unlike some other hormonal IUDs. It does not protect against HIV or other sexually transmitted infections.
Prevents pregnancy for up to 3 years
Studied specifically in nulliparous women
One-time insertion, no daily action needed
Does not protect against STIs
Lo Loestrin Fe vs. Skyla Pros and Cons
Lo Loestrin Fe
Lo Loestrin Fe offers the lowest estrogen dose among approved birth control pills, which may reduce estrogen-related side effects for some users. As a daily pill, it depends on consistent use and carries a boxed warning about smoking and cardiovascular risk. Coverage and cost can vary widely depending on insurance.
Pros
Lowest estrogen dose of any approved pill
Can be stopped at any time without a procedure
May help manage acne or hormonal symptoms (off-label)
No insertion procedure required
Cons
Must be taken at the same time every day
Boxed warning for smokers over 35
Risk of blood clots, stroke, and heart attack
Effectiveness depends on user adherence
Skyla
Skyla provides continuous pregnancy prevention for up to three years after a single insertion, removing the need to remember a daily pill. It carries procedural risks like perforation and expulsion, and insertion can cause cramping or pain. It's a smaller, lower-dose IUD, which may suit those seeking less hormone exposure but a shorter duration than other IUDs.
Pros
No daily action needed for up to 3 years
Smallest and lowest-dose hormonal IUD available
Studied specifically in women without prior births
Fertility returns quickly after removal
Cons
Requires a clinician for insertion and removal
Risk of uterine perforation or device expulsion
Shortest approved duration among levonorgestrel IUDs
Higher rates of pelvic pain and vulvovaginitis reported
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