Welcome to Quick Hits, where we bring you the most impactful moments from past episodes in under 15 minutes.

Today’s clip comes from one of our most replayed conversations with Joanne Kennedy, a highly experienced naturopath and specialist in MTHFR, methylation, and histamine intolerance.

Joanne runs a successful clinical practice in Sydney, Australia, and also works with patients worldwide through online consultations.

In this Quick Hits episode, we explore the connection between histamine intolerance, estrogen dominance, migraines, skin issues, digestive health, and perimenopause. If you have been dealing with unexplained symptoms like headaches, flushing, hives, itching, rashes, reflux, food sensitivities, insomnia, anxiety, or worsening PMS, histamine may be one of the missing pieces.

Histamine is often thought of as an allergy chemical, but it plays a much bigger role in the body. It can influence digestion, inflammation, immune response, sleep, mood, skin, and even hormone balance.

For women in perimenopause, this can become even more complicated. Fluctuating estrogen may increase histamine activity, while higher histamine levels may also influence estrogen, creating a frustrating cycle that leaves many women feeling reactive, inflamed, and confused by their symptoms.

Joanne shares practical insight into how histamine intolerance develops, why gut health and methylation matter, how certain foods and environmental triggers can worsen symptoms, and what women can do to better support histamine balance.

If you want the full episode, check the link in the description below.

 Listen to the full episode on iTunes.

In This Episode, We Cover:

• How histamine intolerance is linked to hormone imbalances like estrogen dominance
• Why digestive health plays a critical role in managing histamine levels
• How methylation and MTHFR may affect histamine breakdown
• How certain foods and environmental factors can trigger histamine reactions
• The connection between histamine, migraines, headaches, and neurological symptoms
• Why skin issues like flushing, itching, hives, and rashes may be tied to histamine
• Why perimenopause can be a turbulent time for women with histamine issues
• How estrogen and histamine can create a frustrating symptom cycle
• Practical strategies to help women better understand and manage histamine intolerance

Why Histamine Intolerance Matters in Perimenopause

Histamine intolerance can be confusing because symptoms often show up in different systems of the body. One woman may notice migraines and insomnia, while another may struggle with reflux, anxiety, food reactions, skin issues, or worsening PMS.

In perimenopause, estrogen fluctuations can make this even more complicated. Since estrogen and histamine can influence each other, women may become more reactive to foods, alcohol, stress, environmental triggers, and hormonal shifts.

This is why histamine intolerance is often missed. Many women are told their symptoms are unrelated, when they may actually be connected through the gut, immune system, methylation, and hormone balance.

This Episode Is For You If:

• You get migraines or headaches that seem hormonal or food-related
• You struggle with flushing, itching, hives, rashes, or sensitive skin
• You react to wine, fermented foods, aged foods, or leftovers
• You have acid reflux, bloating, or digestive symptoms
• You feel wired, anxious, or wake up in the middle of the night
• You suspect estrogen dominance or worsening PMS
• Your symptoms became worse in perimenopause
• You want to understand the connection between histamine, hormones, and gut health

This Quick Hits episode will help you connect the dots between symptoms that may seem random but could be part of a bigger histamine-hormone picture.

FAQ Section

What is histamine intolerance?

Histamine intolerance happens when the body has more histamine than it can properly break down. This can lead to symptoms such as headaches, migraines, flushing, itching, hives, digestive issues, reflux, insomnia, anxiety, food sensitivities, and hormone-related symptoms.

How is histamine connected to estrogen dominance?

Estrogen and histamine can influence each other. Higher estrogen may increase histamine activity, while high histamine may also stimulate more estrogen release. This can create a frustrating cycle, especially for women in perimenopause.

Can histamine intolerance cause migraines?

Histamine may contribute to migraines and headaches in some people because it can affect inflammation, blood vessels, immune activity, and neurological signaling. For some women, migraines may become worse around hormonal shifts or after eating high-histamine foods.

Why does perimenopause make histamine symptoms worse?

Perimenopause can make histamine symptoms worse because estrogen levels fluctuate more dramatically during this stage. These hormonal shifts may increase histamine activity and make women more reactive to foods, stress, alcohol, environmental triggers, and inflammation.

What foods can trigger histamine symptoms?

Common high-histamine or histamine-triggering foods may include wine, alcohol, fermented foods, aged cheeses, cured meats, vinegar, kombucha, sauerkraut, leftovers, smoked foods, and some processed foods. Triggers vary from person to person.

How does gut health affect histamine intolerance?

Gut health plays a major role in histamine balance because the gut helps regulate immune activity, inflammation, digestion, and histamine breakdown. Gut infections, dysbiosis, poor digestion, and inflammation may all contribute to histamine-related symptoms.