Get emergency medical help if you have signs of an allergic reaction to Seroquel: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Report any new or worsening symptoms to your doctor, such as: mood or behavior changes, anxiety, panic attacks, trouble sleeping, or if you feel impulsive, irritable, agitated, hostile, aggressive, restless, hyperactive (mentally or physically), more depressed, or have thoughts about suicide or hurting yourself.
Call your doctor at once if you have:
uncontrolled muscle movements in your face (chewing, lip smacking, frowning, tongue movement, blinking or eye movement);
mask-like appearance of the face, trouble swallowing, problems with speech;
a light-headed feeling, like you might pass out;
blurred vision, tunnel vision, eye pain, or seeing halos around lights;
severe nervous system reaction - very stiff (rigid) muscles, high fever, sweating, confusion, fast or uneven heartbeats, tremors, fainting;
high blood sugar - increased thirst, increased urination, hunger, dry mouth, fruity breath odor, drowsiness, dry skin, blurred vision, weight loss; or
low blood cell counts - sudden weakness or ill feeling, fever, chills, cold or flu symptoms, cough, sore throat, red or swollen gums, painful mouth sores, skin sores, trouble breathing.
Common Seroquel side effects may include:
speech problems;
dizziness, drowsiness, tiredness;
lack of energy;
fast heartbeats;
stuffy nose;
increased appetite, weight gain;
upset stomach, vomiting, constipation;
dry mouth; or
problems moving.
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.
 Seroquel side effects (more detail)
