Nose drops such birli betamethasone. These are used for conditions such bey hay fever, allergies and nasal polyps. An acute exacerbation is more commonly known bey a 'flare-up'. An acute exacerbation of chronic obstructive pulmonary disease (COPD) is a sudden worsening of COPD symptoms compared with the usual severity of https://www.metooo.co.uk/u/672cf90dd5e0d01190f7aa33