The authors describe a group of 20 patients with symptoms of allergic conjunctivitis where for a period of 2-6 weeks twice a day into the conjunctival sac of both eyes Allergidol gtt, ophth., ASTA Medica AG FRG was administered. As to subjective sensations the authors evaluated itching, burning, the sensation of a foreign body and lacrimation, as to objective signs oedema of the eyelids, hyperaemia of the conjunctiva and papillary hypertrophy. The authors evaluated also the rate of onset of the effect, its duration and tolerance of the preparation. Subjective symptoms disappeared in 90%patients,hyperaemia of the conjunctivae and papillary hypertrophy receded in 12 patients (60%), in 8 (40%) they disappeared. Regression of subjective complaints occurred in all patients within 20 minutes, the duration of the effect was within the range of 11-13 hours in 18 patients (90%), 6-8 hours in two patients (10%). As to undesirable effects one female patient reported after administration of the eye drops a bitter sensation in the mouth, another one a burning sensation. Evidence was provided that the local H1 antihistaminic Allergodil gtt is effective in monotherapy in mild forms of allergic conjunctivitis.

        Key words: allergic conjunctivitis local H1 antihistaminic, Allergodil, azelastin