The following adverse reactions may occasionally occur: dryness of the mouth, thirst, drowsiness, fatigue, dizziness, heartburn, anorexia, abdominal discomfort and exanthema.
Methods To investigate the changes of appearance, weight increase by hygroscopy and degree of swelling of Vikon-U under different dryness and humidity conditions.
In some people, there's also dryness of the affected eye or mouth because the facial nerve innervates the lacrimal, submandibular, and sublingual glands.