Medicine Name: Symbicort 320mcg/9mcg Turbuhaler. Composition: Formoterol (9mcg) + Budesonide (320mcg). Side Effects: Headache Nausea Vomiting Stomach discomfort Dizziness Cough Nasopharyngitis inflammation of the throat and nasal passages Upper respiratory tract infection Sinus inflammation Fungal infection of oropharynx Tremors Palpitations Voice change.