The Allergies which do not linked to any particular seasons is called Perennial Allergies. These allergies occurs at any time of the year.
Allergy to dust, insects bites, food substances and mites are the some examples of Perennial Allergies.
The Allergies which do not linked to any particular seasons is called Perennial Allergies. These allergies occurs at any time of the year.
Allergy to dust, insects bites, food substances and mites are the some examples of Perennial Allergies.