<p>Side Effects</p>

<p>Potentially serious hypokalaemia may result from beta 2 - agonist therapy. This effect may be potentiated by hypoxia. Other side effects such as palpitation, fine tremors of the skeletal muscle (particularly the hand) and muscle cramps may occur. In few cases nervousness, headache, dizziness, fatigue and sleeplessness have also been reported.</p>