Clinical features: Allergic rhinitis is caused by sensitivity reaction in the blood vessels of the nasal mucosa e.g. due to pollen, animal hair or feathers. Is characterized by nasal obstruction, bouts of sneezing and excess nasal discharge which is usually watery but occasionally think and mucoid.
Treatment guidelines
Attempts should be made to identify the responsible allergen - which should then be avoided whenever possible. Desensitization for specific allergens should be done.
Ephedrine (O) give 15-30 mg every 8 hours
or
Chlorpheniramine (O) give 4 mg every 8 hours
or
Promethazine (O) give 25 mg every 12 hours
For patients unresponsive to antihistamines
Prednisolone (O) give 15-30 mg every 12 hours and then 'gradual tapering is recommended.
Children
Ephedrine (O) 0.5 mg/kg body weight every 8 hours
or
Chlorpheniramine (O) give 0.1 mg/kg body weight every 8 hours
or
Promethazine (O) give (O) 0.25-0.5 mg/kg body weight give every 12 hours
If unresponsive to antihistamines give
Prednisolone (O) as for adult dose above.
Surgery is indicated in the presence of polyps and drainage of purulent sinuses.