| Adverse events from these studies were mild to moderate and included drowsiness, dizziness, and dry mouth. |
| You can relieve dry mouth, which may cause your mouth to burn or feel sore, by drinking plenty of water. |
| A dry mouth caused by certain drugs or after chemotherapy or radiotherapy to the head and neck may also lead to thrush. |
| The most common side effects, however, are relatively minor, with insomnia and dry mouth the commonest. |
| Reported adverse effects have included nausea, drowsiness, dry mouth, sweating, dizziness, muzziness, trembling, and sedation. |
| Other adverse physical effects include dry mouth, blurred vision, palpitations, tachycardia, and postural hypotension. |
