How are Allergies Developed?
Anyone can develop an at any stage in their life.
The development of allergies is complex and thought to be partly genetic7 and partly due to environmental factors8. This means that certain allergies, including a skin allergy like or , or food allergies, can be inherited. These are known as atopic allergies.
But just because the parent/s have allergies, doesn’t mean that the child will definitely inherit the condition; however, there is a higher possibility that they will.
Other allergies can be caused by environmental factors like pollution or , or even and spores that can carry through the air or come into contact with the skin.
When an allergy causes inflammation in the inside of the nose, leading to runny nose or congestion, sneezing, and itchiness, it is known as . Triggers of allergic rhinitis include pet dander, dust, and pollen.
Additionally, some people can develop allergies to drugs and medications such as penicillin. Eye allergies are also common.
A medical specialist called an allergist may help diagnose your allergies and can then advise you on an allergy treatment and prevention plan.
Signs and Symptoms of Allergies
Common symptoms of an allergic reaction include 9:
- Itchy, runny or blocked nose (allergic rhinitis)
- Red, watering, itchy eyes ()
- Shortness of breath, cough, wheezing
- A red, raised rash ()
- Swelling of the lips, tongue, eyes or face
- Dry, red or cracked skin
The most severe form of allergic reaction is known as . This can be life threatening without quick medical intervention. Symptoms include swelling of the throat and mouth, inability to breathe, dizziness, and confusion. Anaphylaxis requires an injection of epinephrine. If you don’t have this medication with you, then you must head to an emergency room immediately.