Hi and thanks for using health care magic,
Anti allergic drugs shall range from local to systemic anti histamines
. In your case, you are on systemic anti histamines and may be, simply associating a systemic steroid might help.
A proper physical examination to exclude sinutis, allergic rhinitis
could be of help in orienting or modifying the treatment.
A better evaluation of your environment could help identify the allergen causing these symptoms. Consulting an allergologist with much expertise in this domain shall be very helpful. Better options, even in severe cases due exist for severe allergies like immune desensitization regimens.
Consulting an allergologist or allergy
specialist shall be of great help.
Thanks and best regards,