Medicine Name: Symbicort 160mcg/4.5mcg Turbuhaler. Composition: Formoterol (4.5mcg) + Budesonide (160mcg). 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.