When people think of allergies, they think of spring. But for many, autumn is when symptoms truly take hold — and often with more intensity.

Sneezing, congestion, sinus pressure, and itchy eyes can persist well beyond the warmer months, leaving many people confused about why their symptoms haven’t improved.

The answer lies in a combination of environmental and internal factors.

Autumn brings a different set of triggers. Fallen leaves create damp conditions that promote the growth of mould spores, while certain weeds release pollen during this time. These allergens can be just as potent as those in spring — and in some cases, more persistent.

However, exposure is only part of the story.

Allergic reactions are ultimately driven by your immune system. When your immune system is balanced, it can tolerate environmental triggers without overreacting. But when it is dysregulated — often due to chronic inflammation or poor gut health — it becomes more sensitive.

This is why some people experience severe symptoms while others remain unaffected in the same environment.

Managing autumn allergies effectively requires a dual approach.

Externally, reducing exposure to allergens can help. This includes keeping indoor spaces clean, minimising dust and mould, and ensuring good ventilation.

Internally, the focus should be on reducing inflammation and supporting immune regulation. Diet plays a significant role here. Processed foods, excess sugar, and alcohol can all contribute to inflammation, while whole, nutrient-dense foods help support balance.

Gut health is particularly important. A healthy gut helps regulate immune responses, reducing the likelihood of overreaction to allergens.

Understanding allergies in this way shifts the conversation from symptom management to long-term resolution — and that’s where real change happens.