Common side effects include dry mouth, insomnia and headache.

Less common side effects include insomnia, fatigue, and muscle cramps.

Her symptoms, before medication, included irritability, too much energy and insomnia.

Symptoms may include headaches, nausea, insomnia and changes in sexual behavior.

Side effects include insomnia, dry mouth, constipation, palpitations and high blood pressure.

Less common side effects include vomiting, abnormal body movements, and insomnia.

Common withdrawal symptoms include, anxiety, insomnia, concentration problems and fatigue.

These symptoms include hot flushes, broken sleep patterns or insomnia, and changes in sexual response.

Its mild side effects include dry mouth, insomnia and constipation.

Side effects, often associated with longer term use, can include headaches, insomnia, and gastrointestinal problems.