Symptoms

Recognise hay fever symptoms and understand how your body reacts to allergens. We cover immune responses, histamines, and distinguishing hay fever from colds.

Common Symptoms of Hay Fever

Hay fever causes sneezing, itchy eyes, congestion and fatigue, here's what to watch for during allergy season.

Hay Fever Symptoms Versus Cold Symptoms

Tell the difference between hay fever and a cold so you get the right treatment instead of waiting for symptoms to pass.

Understanding Your Immune System

Your immune system protects you from illness, but sometimes it overreacts to harmless substances like pollen, causing allergy symptoms.

What Are Histamines?

Histamines are chemicals your immune system releases during allergic reactions, causing the sneezing, itching and congestion of hay fever.