Allergic rhinitisInvestigations1. Total and differential count:eosinophilia2. Nasal smearshows large number ofeosinophilsinallergicrhinitis.3. Skin test help to identifyspecificallergen.4.RAsT (radioallergosorbenttest)5.Nasalprovocationtest
Allergic rhinitis • Investigations 1. Total and differential count:eosinophilia 2. Nasal smear shows large number of eosinophils in allergic rhinitis. 3. Skin test help to identify specific allergen. 4. RAST (radioallergosorbent test) 5. Nasal provocation test
Allergic rhinitisComplications1. Recurrent sinusitis2. Nasal polypi.3. Serous otitis media.4. Orthodontic problem5. Bronchialasthma
Allergic rhinitis • Complications 1. Recurrent sinusitis 2. Nasal polypi. 3. Serous otitis media. 4. Orthodontic problem 5. Bronchial asthma
Allergic rhinitisTreatmentAvoidance of allergen2.Treatment with drugsAntihistaminicsa.b.Sympathomimetic drugsCorticosteroidsC.d. Sodium cromoglycate.3.lmmunotherapy: used when drug treatment failsto control
Allergic rhinitis • Treatment 1. Avoidance of allergen. 2. Treatment with drugs. a. Antihistaminics. b. Sympathomimetic drugs. c. Corticosteroids. d. Sodium cromoglycate. 3.Immunotherapy: used when drug treatment fails to control
Immunotherapymethod: increasing doses of injectedallergenuntil the maximumtolerated doseisreachedmaintenancedose(maximumtolerateddose)course:2years or more
Immunotherapy method: increasing doses of injected allergen until the maximum tolerated dose is reached maintenance dose(maximum tolerated dose ) course: 2 years or more
Two methods of immunotherapy·Sublingual Immunotherapy,SLITChanllergen
Two methods of immunotherapy • Sublingual Immunotherapy, SLIT Chanllergen