Get emergency medical help if you have signs of an allergic reaction to Apokyn: hives, itching; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
a light-headed feeling, like you might pass out;
extreme drowsiness, falling asleep suddenly, even after feeling alert;
confusion, hallucinations, unusual thoughts or behavior;
twitching or uncontrollable movements of your eyes, lips, tongue, face, arms, or legs;
fast or pounding heartbeats, fluttering in your chest, shortness of breath, and sudden dizziness (like you might pass out);
ongoing nausea or vomiting (even after taking anti-nausea medicine);
new or worsening cough, fever, pain when you breathe, feeling short of breath while lying down;
penis erection that is painful or lasts 4 hours or longer;
worsening of your Parkinson symptoms; or
severe nervous system reaction - very stiff (rigid) muscles, high fever, sweating, confusion, fast or uneven heartbeats, tremors, feeling like you might pass out.
Serious side effects may be more likely in older adults.
You may have increased sexual urges, unusual urges to gamble, or other intense urges while using this medicine. Talk with your doctor if this occurs.
Common Apokyn side effects may include:
dizziness, drowsiness;
nausea, vomiting;
pain or swelling in your nose, mouth, or throat;
numbness, tingling, burning pain;
swelling in your hands or feet;
confusion, hallucinations;
yawning;
runny nose; or
uncontrolled muscle movements.
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.
 Apokyn side effects (more detail)
