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Is Dupilumab safe for eczema if you plan to get pregnant?

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Patient's Query

Hello doctor,

I am a 27-year-old female who has been dealing with eczema since childhood, but my symptoms tend to worsen before my period. My IgE level is 980 IU/mL, eosinophils are at six percent, and my vitamin D level is low at 12 ng/mL. I am also currently on the pill. Could hormonal fluctuations be contributing to the flare-ups in women? Additionally, is Dupixent safe to use if I plan to conceive in the future?

Please help.

Thank you.

Answered by Dr. Fizza Noor

Hello,

Welcome to icliniq.com.

I understand your concern.

Based on the information you have provided, here are some important insights and advice:

  1. Hormonal flares in eczema: Yes, it is common for some women to experience worsening eczema symptoms before or during their periods. This is believed to be linked to hormonal fluctuations, particularly the drop in progesterone and estrogen before menstruation. These changes can lead to increased skin inflammation, barrier dysfunction, and itching.

  2. High IgE and eosinophils: Your IgE level (980 IU/mL (International units per milliliters) and eosinophils (six percent) suggest a strong atopic (allergic) component, which is typical in chronic eczema. These values support that your condition may be moderate-to-severe atopic dermatitis.

  3. Low vitamin D (12 ng/mL (nanograms per milliliters): This is considered deficient and may contribute to immune dysregulation and skin flares. Supplementing with vitamin D3 (1,000 to 2,000 IU daily) after consulting with your doctor may help improve both skin health and immunity.

  4. Effect of birth control pills: Some hormonal contraceptives can affect eczema, although this varies from person to person. Combined oral contraceptives may stabilize hormone levels in some but worsen symptoms in others. If your eczema is worse with your current pill, consider discussing alternatives with your gynecologist.

  5. Dupilumab (Dupixent) and fertility: Dupixent is not known to harm fertility, and it is not a contraindication for women planning a future pregnancy.

However, since there are limited safety data during pregnancy, most doctors advise stopping Dupixent before conception or switching to alternative therapies if planning to conceive soon. It can be used until you are ready to try for pregnancy, and it is often part of pre-pregnancy eczema control to avoid flares.

I hope this helps.

Please follow up if you have any further concerns.

Thank you.

The Probable causes

Hormonal fluctuations before menstruation, underlying Th2 (T helper 2 cells) dominant immune activation, vitamin D deficiency, and possible sensitivity to estrogen or progestin fluctuations.

Investigations to be done

Consider serum progesterone or estradiol levels if cyclic symptoms are severe. Patch testing to rule out contact dermatitis. Recheck vitamin D and IgE after supplementation or treatment.

Differential diagnosis

Hormone-exacerbated atopic dermatitis, allergic contact dermatitis overlap, and chronic eczema with secondary irritant factors.

Probable diagnosis

Cyclically worsened moderate atopic dermatitis with allergic and hormonal triggers.

Treatment plan

Consider starting Dupilumab if conventional treatments are inadequate and pregnancy is not immediate. Vitamin D3 supplementation (e.g., 2000 IU (International units) daily for eight to 12 weeks). Continue gentle skin care and emollients twice daily. Use topical corticosteroids or calcineurin inhibitors during flares. Discuss a possible switch in oral contraceptive formulation if flares correlate with the pill cycle.

Preventive measures

Keep a menstrual symptom diary to track flare patterns. Maintain hydration and consistent moisturization. Avoid harsh soaps, allergens, and irritants. Manage stress with mindfulness or cognitive strategies.

Regarding follow up

Monitor response to vitamin D and hormonal cycle patterns. Reassess the need for Dupilumab at the next follow-up (four to six weeks). Review plans for conception with your dermatologist if you decide to conceive.

Answered byDr. Fizza Noor

Medically reviewed byiCliniq medical review team

Published At September 24, 2025
Reviewed AtOctober 7, 2025

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Fizza Noor
Dr. Fizza Noor

Pediatric Allergy/Asthma Specialist

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