<p>Most common adverse reactions are pain, chest pain, back pain, diarrhea, sinusitis, leg cramps, dyspnea, rash, flu syndrome, peripheral edema and lung disorder. Arformoterol can cause serious side effects, including: People with asthma, who take LABA medicines, have an increased risk of death from asthma problems. Patient should get emergency medical care if:</p>

<ul>
	<li>Breathing problems worsen quickly</li>
	<li>After the use of rescue inhaler medicine, it does not relieve breathing problems.</li>
</ul>