A virus may be the cause if there is associated fu like symptoms, joint pains, pain in swallowing and eye redness. Allergic
reactions to pollen
, food, and dust should also be looked into. Dermatitis and heat rash are also differentials.
At this point, a complete medical history and physical examination are essential to get a diagnosis. If there is a strong family history of asthma and allergies, all the more that an initial consult is necessary.