Pollinosan is a homeopathic medicinal product used within the homeopathic tradition to relieve the symptoms of hayfever and other forms of allergic rhinitis.  
Hayfever and allergic rhinitis are conditions where the body's immune system reacts abnormally to external irritants (allergens) such as pollen, animal dander (material shed from the body of animals) and dust. Symptoms include sneezing, blocked nose, runny and itchy nose, itchy eyes and throat.