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  • Airborne allergens are particles in the air, including fungal spores and pollutants, that can cause or worsen allergic reactions and respiratory conditions such as hay fever and asthma.

  • Outdoor airborne allergens are tiny particles in the air that can cause allergic reactions when people who suffer from hay fever or asthma breathe them in. The primary outdoor allergens include pollen and fungal spores.

  • The characteristics, symptoms, diagnosis and treatment of alpha-gal syndrome.

  • Airborne allergens are particles in the air, such as pollen and fungal spores, that can cause or worsen allergic reactions and respiratory conditions including hay fever and asthma.

  • There is evidence that air pollutants such as ozone, nitrogen dioxide and sulphur dioxide can exacerbate respiratory conditions.

  • Indoor airborne allergens are particles present in indoor environments that can trigger allergic reactions or exacerbate respiratory conditions such as asthma.

  • This page contains information for coping with illness caused by airborne allergens like hay fever, asthma and allergies.

  • Safety leaflet on topical corticosteroids and withdrawal reactions to help patients and their carers to use these medicines safely.

  • Hay fever is a very common allergy caused by pollen, house dust mite, pet hair or skin.

  • Urgent and clinically significant safety updates arising from pharmacovigilance data, including reported adverse events, for veterinary medicines authorised in the UK.