Desogestrel/Ethinyl Estradiol Side Effects: What to Expect and When to Call Your Doctor

Desogestrel/ethinyl estradiol -- sold under brand names including Apri, Reclipsen, Kariva, Mircette, Enskyce, Azurette, and Viorele -- is a widely used and generally well-tolerated birth control pill. Like all combination oral contraceptives, it can cause side effects. Most are mild and resolve within the first 1-3 months of use. This guide explains what is normal, what warrants a call to your doctor, and what constitutes a medical emergency.

Common Side Effects (Usually Temporary)

The following side effects are common, especially during the first 1-3 months. They often improve or resolve on their own as your body adjusts to the hormone levels:

Nausea or upset stomach: Especially common in the first pack. Taking the pill with food or at bedtime often helps. Usually resolves by the third or fourth cycle.

Headaches: Mild tension-type headaches are common during the first few months. Tell your doctor if headaches are severe, sudden, or accompanied by visual changes -- these need immediate evaluation.

Breast tenderness: Often worse in the first pack. Usually improves with continued use. Wearing a supportive bra and reducing caffeine and salt may help.

Breakthrough bleeding or spotting: Light bleeding between periods is common during the first 1-3 months. Continue taking your pills as directed. If bleeding persists beyond 3 cycles or is heavy, contact your prescriber.

Mood changes: Some patients notice mood shifts, including increased anxiety or depressive symptoms. If you have a history of depression, monitor your symptoms closely and tell your provider if they worsen.

Decreased libido: Changes in sex drive are reported by some patients on combination oral contraceptives. If this is bothersome, discuss switching to a different progestin-based pill with your prescriber.

Contact lens intolerance: Hormonal changes can cause corneal curvature changes or increased dryness, making contact lenses uncomfortable. See your eye care provider if this becomes a problem.

Bloating and fluid retention: Minor water retention and bloating, particularly in the second half of the pack. Usually mild and manageable with dietary changes.

Side Effects That Warrant a Call to Your Doctor

Contact your prescriber if you experience:

Persistent breakthrough bleeding after 3 cycles

Significant mood changes or worsening depression

New or worsening migraines, especially with visual symptoms (aura)

High blood pressure at your monitoring visits

Yellowing of the skin or eyes (jaundice)

Missed periods (amenorrhea) -- especially if you have missed pills

URGENT: Call 911 or Go to the Emergency Room for These Symptoms

Combination oral contraceptives carry a boxed warning for cardiovascular risk, particularly in women who smoke and are over 35. Seek emergency care immediately if you experience:

Sudden shortness of breath or chest pain (may indicate pulmonary embolism)

Severe leg pain or swelling (may indicate deep vein thrombosis)

Sudden severe headache unlike any you have had before

Sudden vision changes or loss of vision

Weakness or numbness in an arm or leg, trouble speaking, or facial drooping (stroke warning signs)

The Boxed Warning: What It Means for You

All combination oral contraceptives carry an FDA boxed warning regarding cardiovascular risk from smoking. The warning states: cigarette smoking increases the risk of serious cardiovascular events from COC use. This risk increases with age and with the number of cigarettes smoked, and is quite marked in women over 35. Women who are over 35 and smoke should not use combination oral contraceptives. If you smoke, discuss this with your provider. They may recommend a progestin-only alternative.

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Side Effects and the First 3 Months

Most common side effects of desogestrel/ethinyl estradiol appear during the first 1-3 months and resolve by the fourth cycle. Research shows there is generally no advantage to switching formulations during this initial adjustment period. Give your body at least 3 full cycles to adjust before asking your prescriber to change formulations.

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