Get emergency medical help if you have signs of an allergic reaction to Wakix: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
fast or pounding heartbeats;, fluttering in your chest;
shortness of breath; or
sudden dizziness (like you might pass out).
Common Wakix side effects may include:
nausea;
anxiety; or
sleep problems (insomnia).
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
 Wakix side effects (more detail)
