Articles

Perimenopause and Crohn's Disease: Managing Inflammation, Hormones, and Gut Health

Crohn's disease and perimenopause interact through shared inflammatory pathways and overlapping gut symptoms. Here is a practical guide to managing both.

4 min readFebruary 28, 2026

The Intersection of Crohn's Disease and Perimenopause

Crohn's disease is a chronic inflammatory bowel condition that can affect any part of the digestive tract. Like other autoimmune and inflammatory conditions, it is influenced by hormonal status. Many women with Crohn's disease report that their symptoms shift across the menstrual cycle, with flares more common in the week before menstruation. As perimenopause changes hormone levels and cycle patterns, this relationship becomes less predictable. Some women experience an improvement in Crohn's activity as cycles become irregular; others find that hormonal volatility triggers more frequent flares. There is no single rule, which is why careful monitoring matters.

Shared Symptoms and How to Distinguish Them

Abdominal pain, bloating, fatigue, loose stools, and weight fluctuation appear in both Crohn's disease and perimenopause. Diarrhoea can reflect active Crohn's inflammation, a dietary trigger, or the changes in gut motility that estrogen decline produces. Night sweats and poor sleep are common to both conditions. Mouth ulcers, which appear in Crohn's, can worsen under stress or hormonal change. The priority is maintaining regular gastroenterology review so that a worsening of gut symptoms is investigated for Crohn's activity rather than being assumed to be hormonal, or vice versa. Good communication between your gastroenterologist and GP is essential.

Inflammation, Estrogen, and Immune Regulation

Estrogen has anti-inflammatory properties, and its decline during perimenopause may affect the inflammatory environment relevant to Crohn's disease. Some research suggests that postmenopausal women with Crohn's disease have different disease patterns than premenopausal women, though the evidence is still developing. For women currently in perimenopause, the immune and inflammatory changes driven by hormonal fluctuation may interact with Crohn's disease activity in ways that are not fully predictable. Reporting any change in disease activity to your gastroenterologist, with the context that you are in perimenopause, allows them to factor this in.

Nutrition During Crohn's and Perimenopause

Nutritional management is central to Crohn's disease, and perimenopause adds further nutritional considerations. Malabsorption during Crohn's flares can deplete iron, B12, folate, vitamin D, and zinc. During perimenopause, calcium and vitamin D are particularly important for bone protection. Protein intake matters for muscle mass maintenance as estrogen declines. Balancing the dietary restrictions that Crohn's may require with the nutritional demands of perimenopause is genuinely complex, and a registered dietitian with experience in inflammatory bowel disease is a valuable resource. Blood tests to check nutritional status at least annually are sensible.

Medications, Hormonal Therapy, and Drug Interactions

Some medications used in Crohn's disease can affect bone density, most notably corticosteroids used during flares. This makes bone protection even more important for perimenopausal women with Crohn's who have had significant steroid exposure. If you are considering hormone therapy for perimenopause symptoms, discuss it with your gastroenterologist as well as your GP. There are no absolute contraindications between Crohn's medications and hormone therapy, but your full medication list matters and interactions should be checked. Hormone therapy may reduce some of the inflammatory burden that is worsening your Crohn's, though this is speculative and individual responses vary.

Living Well With Both Conditions

Stress is a known trigger for both Crohn's flares and perimenopause symptom severity. Building reliable stress management practices, whether through mindfulness, physical activity, time in nature, or social connection, benefits both conditions. Sleep is equally important: poor sleep worsens both inflammatory activity and hormonal symptom severity. Tracking your symptoms and flare patterns over time, using a tool like PeriPlan for broader symptom logging, can help you and your care team identify patterns that guide better management. Living well with two demanding conditions is possible, and many women do it successfully with the right support in place.

Related reading

ArticlesManaging Perimenopause With IBS
ArticlesPerimenopause and Ulcerative Colitis: Gut Health, Hormones, and Daily Life
GuidesYour Complete Guide to Gut Health During Perimenopause
Medical disclaimerThis content is for informational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. PeriPlan is not a substitute for professional medical advice. If you are experiencing severe or concerning symptoms, please contact your doctor or emergency services immediately.

Get your personalized daily plan

Track symptoms, match workouts to your day type, and build a routine that adapts with you through every phase of perimenopause.