Environmental
Environmental allergies are triggered by substances in the environment like pollen or dust.
Food
Food allergies occur when the immune system reacts to certain proteins found in specific foods, leading to adverse reactions.
Medication
Medication allergies cause adverse reactions to certain drugs.
Asthma
Asthma causes breathing difficulties due to narrowed airways.
Insects
Insect allergies cause adverse reactions to insect venom or saliva.