Quetiapine Teva
Quetiapine Teva is an antipsychotic medicine used to treat mental illnesses such as bipolar disorder, mania, and schizophrenia.
Form
tabletti, kalvopäällysteinen
Strength
100 mg
Active Ingredient
Quetiapine fumarate
Manufacturer
TEVA Sweden AB
How to Use
Dosage
Your doctor will determine your dose, which usually ranges from 150 mg to 800 mg per day.
Method
Take the tablets once a day at bedtime or twice a day, whole with water, with or without food. Do not drink grapefruit juice.
Important
The maximum daily dose is 800 mg.
Possible Side Effects
COMMON
- •Decreased hemoglobin levels
- •Dizziness (can lead to falls), headache, dry mouth
- •Drowsiness (can lead to falls)
- •Insomnia, nausea, headache, diarrhea, vomiting, dizziness, and irritability if the medicine is stopped suddenly
- •Weight gain
- •Abnormal muscle movements, such as difficulty starting movements, shaking, restlessness, or muscle stiffness
- •Changes in blood fat levels (triglycerides and cholesterol)
- •Fast heartbeat
- •Palpitations, fast heart rate, or missed heartbeats
- •Constipation, indigestion
- •Weakness
- •Swelling of hands or feet
- •Low blood pressure, especially when standing up, which can cause dizziness or fainting
- •High blood sugar
- •Blurred vision
- •Abnormal dreams and nightmares
- •Increased appetite
- •Irritability
- •Speech and language problems
- •Thoughts of self-harm and worsening depression
- •Shortness of breath
- •Vomiting (especially in older people)
- •Fever
- •Changes in thyroid hormone levels in blood
- •Changes in counts of certain blood cells
- •Increased liver enzymes in blood
- •Increased prolactin hormone in blood (may cause breast swelling and milk production, or missed/irregular periods)
RARE
- •Seizures or epileptic fits
- •Allergic reactions, such as hives and swelling around the skin and mouth
- •Unpleasant feeling in the legs (restless legs)
- •Difficulty swallowing
- •Uncontrolled movements of the face or tongue
- •Sexual dysfunction
- •Diabetes
- •Changes in the heart's electrical activity (QT prolongation on ECG)
- •Slower heart rate, which may be linked to low blood pressure and fainting
- •Difficulty urinating
- •Fainting (can lead to falls)
- •Nasal congestion
- •Decreased red blood cell count
- •Decreased sodium level in blood
- •Worsening of previously diagnosed diabetes
- •Confusion
- •High fever, sweating, muscle stiffness, and significant drowsiness or weakness (neuroleptic malignant syndrome)
- •Yellowing of skin and eyes (jaundice)
- •Liver inflammation (hepatitis)
- •Long-lasting and painful erection (priapism)
- •Breast swelling and unexpected milk production
- •Menstrual disorders
- •Blood clots, especially in leg veins (swelling, pain, and redness in legs)
- •Sleepwalking, sleep-talking, sleep-eating, or other activities during sleep
- •Decrease in body temperature (hypothermia)
- •Pancreatitis
- •Metabolic syndrome (including central obesity, low "good" cholesterol, high triglycerides, high blood pressure, high blood sugar)
- •Fever, flu-like symptoms, sore throat, or other infection combined with a very low white blood cell count (agranulocytosis)
- •Bowel obstruction
- •Increased blood creatine phosphokinase (a muscle substance) levels
- •Severe rash, blisters, or red patches on the skin
- •Severe allergic reaction (anaphylactic shock), which may cause difficulty breathing or shock
- •Rapid swelling of the skin, usually around the eyes, lips, or throat
- •Severe blistering of the skin, mouth, eyes, or genitals (Stevens-Johnson syndrome)
- •Abnormal secretion of a hormone that regulates urine volume
- •Muscle fiber damage and muscle pain (rhabdomyolysis)
- •Rash with irregular red patches (erythema multiforme)
- •Rapidly appearing red skin areas with small pus-filled blisters (acute generalized exanthematous pustulosis, AGEP)
- •Severe, sudden allergic reaction with fever, blisters, and skin peeling (toxic epidermal necrolysis)
- •DRESS syndrome (flu-like symptoms, rash, fever, swollen lymph nodes, and abnormal blood tests)
- •Withdrawal symptoms in newborns if the mother used the medicine during pregnancy
- •Heart muscle disease (cardiomyopathy)
- •Heart muscle inflammation (myocarditis)
- •Inflammation of blood vessels (vasculitis), often with red or purple spots
- •Stroke
Important Warnings
- Do not use if you are allergic to quetiapine or any other ingredients in this medicine.
- Do not use if you are taking certain HIV medicines, antifungal medicines, antibiotics (erythromycin or clarithromycin), or the antidepressant nefazodone.
- Seek immediate medical help if you have a high fever, stiff muscles, a lot of sweating, or are very sleepy.
- Tell your doctor immediately if you have a fast or irregular heartbeat, chest pain, difficulty breathing, or unusual tiredness.
- If you have uncontrolled movements of your face or tongue, tell your doctor.
Show 7 more warnings
- Severe dizziness or drowsiness can increase the risk of falls, especially in older people.
- Tell your doctor if you have seizures.
- Seek medical attention if you have a long-lasting and painful erection.
- If you have a fever, flu symptoms, sore throat, or an infection, tell your doctor right away.
- Tell your doctor if you have severe constipation or stomach pain that doesn't get better.
- If you have thoughts of harming yourself or suicide, contact a doctor or hospital immediately.
- Stop taking the medicine and seek immediate medical help if you get severe skin reactions like blisters, peeling skin, or widespread rashes.
Use in Elderly Patients
Category D
Avoid use in older adults. Anticholinergic. Sedative. For treatment of psychosis only. Inappropriate as a hypnotic. Increases the risk of cardiovascular events, QT prolongation and orthostatic hypotension. Increases risk of falls, extrapyramidal symptoms and cognitive impairment. Reduces the effectiveness of drugs for Alzheimer’s disease. Avoid grapefruit. (updated 15.1.2024)