What is the difference between food allergy and food intolerance?

Food allergy is your body's natural reaction towards food or particles that seems to affect you while food intolerance is your body's inability to process certain food items like dairy, nuts or any other.

food allergy triggers immune system,immediate reaaction,itchy,rash,swelling of lips and difficulty of breathing.while food intolerance affects digestion,skin,joints,respiration,energy level and it is harmful can cause death.