Rhinitis very common. Allergic rhinitis is more common in some countries than others; in the United States, about 10%–30% of adults are affected annually. Mixed rhinitis (MR) refers to patients with nonallergic rhinitis and allergic rhinitis. MR is a specific rhinitis subtype. It may represent between 50 and 70% of all AR patients. However, true prevalence of MR has not been confirmed yet. Rhinitis is categorized into three types (although infectious rhinitis is typically regarded as a separate clinical entity due to its transient nature): (i) infectious rhinitis includes acute and chronic bacterial infections; (ii) nonallergic (vasomotor) rhinitis includes idiopathic, hormonal,
Balsam of Peru listed by its name by mandatory labeling conventions. It can cause allergic reactions, with numerous large surveys identifying it as being in the "top five" allergens most commonly causing patch test reactions. It may cause inflammation, redness, swelling, soreness, itching, and blisters, including allergic contact dermatitis, stomatitis (inflammation and soreness of the mouth or tongue), cheilitis (inflammation, rash, or painful erosion of the lips, oropharyngeal mucosa, or angles of their mouth), pruritus, hand eczema, generalized or resistant plantar dermatitis, rhinitis, and conjunctivitis. Balsam of Peru is an aromatic viscous resin obtained by scorching or inflicting V-shaped wounds on the bark