Your doctor will provide specific instructions on how often to use your `Symbicort 160mcg/4.5mcg Turbuhaler`. While you might notice some improvement after a few days, its full benefits for asthma and COPD symptom relief typically develop over several weeks. It's crucial to use this medicine regularly as prescribed, even if you feel well and don't have symptoms. Consistent use ensures it works effectively. Stopping `Symbicort 160mcg/4.5mcg Turbuhaler` prematurely can cause your symptoms to worsen. Please remember, this inhaler is not for sudden breathlessness; always use your rescue inhaler for immediate relief. Proper inhaler technique is essential to ensure you receive the full dose and maximum benefit from your `Symbicort 160mcg/4.5mcg Turbuhaler`.

Common side effects associated with `Symbicort 160mcg/4.5mcg Turbuhaler` include headache, nausea, vomiting, stomach discomfort, and respiratory tract infection. If these occur, do not stop your medication, but discuss them with your doctor. Rinsing your mouth and throat with water or brushing your teeth after each use can help prevent some side effects. If you experience any rare or serious side effects, contact your doctor immediately.

Before starting `Symbicort 160mcg/4.5mcg Turbuhaler`, inform your doctor about any existing kidney or liver conditions so they can determine the most suitable dose. It's also important to tell your doctor if you are pregnant, planning a pregnancy, or breastfeeding.