The ingredient in carmine causing these delayed hypersensitivity reactions has not been studied. In contrast, there are numerous reports of immediate hypersensitivity reactions from carmine ...

Corneal disease is the primary cause of visual loss in allergic eye disease. It occurs almost exclusively in vernal keratoconjunctivitis and atopic keratoconjunctivitis. It is characterized by ...

Pay specific attention to antihistamines: An allergic reaction to a bug bite can range from mild redness and swelling to anaphylactic reaction, which is a medical emergency. Some reactions may ...