The dosage of Symbicort depends on the medical condition and the patient's response to the treatment.
Symbicort must be used in a regular manner in order to be effective. It does not work immediately for that reason it cannot be used to relieve asthma attacks. In case of asthma attack, a quick relieve reliever is recommended.
Symbicort is approved to be used two times per day as maintenance therapy for asthma. For patients never treated with corticosteroids it is recommended Symbicort (80mcg/4.5mcg) or (160mcg/4.5mcg), two inhalations, two times per day depending on severity of asthma.
For patients previously treated with corticosteroids it is recommended Symbicort (640mcg/18mcg) per day, administrated as two inhalations of budesonide/formoterol (160mcg/4.5mcg) two times per day.
Symbicort's pressurized metered dose inhaler (pMDI) reduces chronic obstructive pulmonary disease (COPD) exacerbations in comparison to formoterol alone. COPD exacerbation is defined as a worsening COPD that requires oral corticosteroids and/or hospitalization. To treat COPD it is recommended two inhalations, two times per day of Symbicort (160mcg/4.5mcg)
For children younger than 12 year old, safety and efficacy of Symbicort has not been established. For children older than 12 years old, Symbicort is used as in adults.