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:

• Chills
• Cold sweats
• Confusion
• Dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
• Sleepiness or unusual drowsiness

• Black, tarry stools
• Blurred vision
• Changes in patterns and rhythms of speech
• Chest pain
• Cough
• Difficulty with swallowing
• Drooling
• Fever, muscle aches, or sore throat
• Inability to move the eyes
• Inability to sit still
• Increased blinking or spasms of the eyelid
• Lip smacking or puckering
• Loss of balance control
• Mask-like face
• Need to keep moving
• Painful or difficult urination
• Puffing of the cheeks
• Rapid or worm-like movements of the tongue
• Restlessness
• Shakiness in the legs, arms, hands, or feet
• Shortness of breath
• Shuffling walk
• Slowed movements
• Slurred speech
• Sores, ulcers, or white spots on the lips or in the mouth
• Sticking out of the tongue
• Stiffness of the arms or legs
• Sweating
• Swelling of the face, arms, hands, feet, or lower legs
• Swollen glands
• Trembling and shaking of the hands and fingers
• Trouble with breathing, speaking, or swallowing
• Uncontrolled chewing movements
• Uncontrolled movements of the arms and legs
• Uncontrolled twisting movements of the neck, trunk, arms, or legs
• Unusual bleeding or bruising
• Unusual facial expressions
• Unusual tiredness or weakness

• Dry, puffy skin
• Fast, pounding, or irregular heartbeat
• Loss of appetite
• Menstrual changes
• Tiredness
• Unusual secretion of milk (in females)
• Weight gain

• Aching or discomfort in the lower legs or sensation of crawling in the 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 the chest
• Tingling of the hands or feet
• Unusual weight gain or loss
• Wheezing

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

• Convulsions (seizures)
• Decreased urine
• Dry mouth
• Increased thirst
• Low blood pressure
• Mood changes
• Muscle pain or cramps
• Nausea or vomiting
• Numbness or tingling in the 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:

• Constipation
• Headache

• 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.

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