Quetiapine (Oral Route)

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Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

More common
  • Chills
  • Cold sweats
  • Confusion
  • Dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly
  • Sleepiness or unusual drowsiness
Less common
  • Black, tarry stools
  • Blurred vision
  • Changes in patterns and rhythms of speech
  • Chest pain
  • Cough
  • Difficulty swallowing
  • Drooling
  • Fever, muscle aches, or sore throat
  • Inability to move eyes
  • Inability to sit still
  • Increased blinking or spasms of eyelid
  • Lip smacking or puckering
  • Loss of balance control
  • Mask-like face
  • Need to keep moving
  • Painful or difficult urination
  • Puffing of cheeks
  • Rapid or worm-like movements of tongue
  • Restlessness
  • Shakiness in legs, arms, hands, or feet
  • Shortness of breath
  • Shuffling walk
  • Slowed movements
  • Slurred speech
  • Sores, ulcers, or white spots on lips or in mouth
  • Sticking out of tongue
  • Stiffness of arms or legs
  • Sweating
  • Swelling of face, arms, hands, feet, or lower legs
  • Swollen glands
  • Trembling and shaking of hands and fingers
  • Trouble in breathing, speaking, or swallowing
  • Uncontrolled chewing movements
  • Uncontrolled movements of arms and legs
  • Uncontrolled twisting movements of neck, trunk, arms, or legs
  • Unusual bleeding or bruising
  • Unusual facial expressions
  • Unusual tiredness or weakness
Rare
  • Dry, puffy skin
  • Fast, pounding, or irregular heartbeat
  • Loss of appetite
  • Menstrual changes
  • Tiredness
  • Unusual secretion of milk (in females)
  • Weight gain
Incidence not known
  • Aching or discomfort in lower legs or sensation of crawling in legs
  • Hives
  • Itching
  • Painful or prolonged erection of the penis
  • Puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  • Skin rash
  • Tightness in chest
  • Tingling of hands or feet
  • Unusual weight gain or loss
  • Wheezing

Get emergency help immediately if any of the following symptoms of overdose occur:

Symptoms of overdose
  • Convulsions (seizures)
  • Decreased urine
  • Dry mouth
  • Increased thirst
  • Low blood pressure
  • Mood changes
  • Muscle pain or cramps
  • Nausea or vomiting
  • Numbness or tingling in hands, feet, or lips
  • Weakness

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common
  • Constipation
  • Headache
Less common
  • Abnormal vision
  • Acid or sour stomach
  • Belching
  • Decreased appetite
  • Decreased strength and energy
  • Headache
  • Heartburn
  • Increased appetite
  • Increased muscle tone
  • Increased sweating
  • Increased weight
  • Indigestion
  • Sneezing
  • Stomach discomfort, upset, or pain
  • Stuffy or runny nose

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

Precautions

DR601493

Portions of this document last updated:

Nov. 1, 2009

Source: Drug Information provided by: Micromedex

Copyright © 2009 Thomson Healthcare Inc. All rights reserved. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes.


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