This is a comparative, open label, parallel group, non interventional study to further demonstrate the effectiveness and tolerability of Ectoin Allergy Nasal Spray. In addition the effectiveness and safety shall be compared to a Cromoglycid acid containing nasal spray. The patient applies Ectoin Allergy Nasal Spray or Cromoglycid acid containing nasal spray according to the instructions for use. The observation takes place over a period of 14 days. Response to treatment is recorded at day 7 and day 14 by the physician and by the patient in a dairy at defined time intervalls.