Allergies can significantly impact the lives of those who suffer from them. From issues with food, pollen and drugs, the more aware others are of the impact of allergies, the more chance we have of ensuring that the potentially life-threatening effect on sufferers is minimised.
https://www.allergyuk.org/
There are many different types of allergies, including food, drugs, insects, pollen and even sunlight. Not all allergic reactions are anaphylactic, but allergies can worsen with time. https://www.allergyuk.org/types-of-allergies/