Surely Medicines and their possible side effects can affect individual people in different ways. The following are some of side effects that are known to be associated with the medicine. Because a side effect is stated here, it does not mean that all people using this medicine will experience that or any side effect.

* Nausea

* Headache

* Difficulty sleeping (insomnia)

* Sleepiness

* Disturbances of the gut such as constipation, diarrhoea, vomiting, indigestion

* Changes in appetite

* Airway infections

* Mood swings

* Changes in sex drive

* Skin reactions such as rash or itching

* Increased urination

* Chest pain

* Increased blood pressure

The side effects listed above may not include all of the side effects reported by the drug's manufacturer.