Quetiapine Teva
Quetiapine Teva is a medicine used to help with mental health conditions like depression, strong mood swings (mania), and schizophrenia.
Form
tabletti, kalvopäällysteinen
Strength
300 mg
Active Ingredient
Quetiapine fumarate
Manufacturer
TEVA Sweden AB
How to Use
Dosage
Your doctor will tell you how much medicine to take. The usual daily dose is between 150 mg and 800 mg.
Method
Take the tablets once or twice a day, whole with water. You can take them with or without food. Do not drink grapefruit juice while taking this medicine.
Important
The most you should take in one day is usually 800 mg.
Possible Side Effects
COMMON
- •Reduced hemoglobin levels (a protein in red blood cells that carries oxygen)
- •Dizziness (can lead to falls), headache, dry mouth
- •Sleepiness (this may go away with continued use of Quetiapine Teva tablets) (can lead to falls)
- •Withdrawal symptoms from stopping the medicine, such as trouble sleeping, nausea, headache, diarrhea, vomiting, dizziness, and irritability. Stopping gradually over 1-2 weeks is recommended.
- •Weight gain
- •Abnormal muscle movements, such as difficulty starting movements, shaking, restlessness, or muscle stiffness without pain
- •Changes in certain fat levels (triglycerides and total cholesterol)
- •Fast heartbeat
- •Palpitations, fast heart rate, or missed heartbeats
- •Constipation, indigestion
- •Weakness
- •Swelling in arms or legs
- •Low blood pressure, especially when standing up, which can cause dizziness or faintness (can lead to falls)
- •High blood sugar
- •Blurred vision
- •Abnormal dreams and nightmares
- •Increased appetite
- •Irritability
- •Speech and language disturbances
- •Suicidal thoughts and worsening depression
- •Shortness of breath
- •Vomiting (mainly in the elderly)
- •Fever
- •Changes in thyroid hormone levels in the blood
- •Changes in the number of certain types of blood cells
- •Increased liver enzymes measured in blood
- •Increased prolactin hormone levels in the blood
RARE
- •Seizures or epileptic attacks
- •Allergic reactions, such as hives and swelling of the skin and around the mouth
- •Unpleasant feeling in the legs (restless legs syndrome)
- •Difficulty swallowing
- •Uncontrolled movements, especially of the face or tongue
- •Sexual dysfunction
- •Diabetes
- •Changes in the electrical activity of the heart seen on an ECG (QT prolongation)
- •Slower than normal heart rate, which may occur at the beginning of treatment and may be associated with low blood pressure and fainting
- •Difficulty urinating
- •Fainting (can lead to falls)
- •Stuffy nose
- •Reduced red blood cell count
- •Reduced sodium levels in the blood
- •Worsening of previously diagnosed diabetes
- •Confusion
- •A combination of symptoms including high fever, sweating, stiff muscles, marked drowsiness or weakness (neuroleptic malignant syndrome)
- •Yellowing of the skin and eyes (jaundice)
- •Liver inflammation (hepatitis)
- •Prolonged and painful erection (priapism)
- •Breast swelling and unexpected milk production (galactorrhea)
- •Menstrual disorders
- •Blood clots, especially in leg veins (symptoms include swelling, pain, and redness in the legs), which can travel to the lungs, causing chest pain and difficulty breathing. Seek immediate medical attention if you notice these symptoms.
- •Sleepwalking, sleep-talking, sleep-eating or other activities while asleep
- •Drop in body temperature (hypothermia)
- •Pancreatitis
- •Metabolic syndrome, where you may have at least three of the following: increased belly fat, decreased 'good' cholesterol (HDL), increased triglycerides (a type of fat) in the blood, high blood pressure, and increased blood sugar levels
- •A combination of fever, flu-like symptoms and sore throat or any other infection with a very low white blood cell count, a condition called agranulocytosis
- •Bowel blockage
- •Increased levels of creatine phosphokinase (a substance from muscles) in the blood
- •Severe rash, blisters or red patches on the skin
- •Severe allergic reaction (anaphylactic shock) that can cause breathing difficulties or shock
- •Rapid swelling of the skin, usually around the eyes, lips or throat (angioedema)
- •Severe blistering on the skin, in the mouth, eyes or genital area (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)
- •Rapid onset of red skin areas filled with small pus-filled blisters (acute generalized exanthematous pustulosis (AGEP))
- •Severe, sudden allergic reaction with symptoms like fever and skin blisters, and skin peeling (toxic epidermal necrolysis)
- •Drug reaction with eosinophilia and systemic symptoms (DRESS), including flu-like symptoms, rash, fever, swollen lymph nodes, and abnormal blood test results (including increased white blood cells (eosinophilia) and liver enzymes)
- •Withdrawal symptoms in newborns if the mother used Quetiapine Teva during pregnancy
- •Heart muscle disease (cardiomyopathy)
- •Heart muscle inflammation (myocarditis)
- •Blood vessel inflammation (vasculitis), often with a red or purple spotted rash
- •Stroke
Important Warnings
- Do not take this medicine if you are allergic to quetiapine or any of its ingredients. Also, do not take it if you are using certain medicines for HIV, fungal infections (azoles), certain antibiotics (erythromycin or clarithromycin), or medicine for depression (nefazodone).
- Tell your doctor if you or your family have had heart issues, such as an irregular heartbeat, weak heart muscle, or heart inflammation. Also, mention if you take medicines that affect your heart's rhythm.
- Tell your doctor if you have low blood pressure or have had a stroke, especially if you are older.
- Tell your doctor if you have liver problems, have had seizures (epilepsy), or have diabetes or are at risk of getting it. Your doctor will check your blood sugar levels if you have diabetes.
- Tell your doctor if you have had a low count of white blood cells in your blood.
Show 12 more warnings
- If you are an older person with dementia, you should not take this medicine, as it may increase the risk of stroke or, in some cases, death. Also, tell your doctor if you are older and have Parkinson's disease.
- Tell your doctor if you or someone in your family has had blood clots.
- Tell your doctor if you have sleep apnea (short stops in breathing during sleep) or if you are taking medicines that make your brain activity slower.
- Tell your doctor if you have had trouble emptying your bladder completely, an enlarged prostate, a blocked bowel, or high pressure in your eye.
- Tell your doctor if you have a history of abusing alcohol or other medicines.
- Seek immediate medical help if you have a high fever, very stiff muscles, sweating, and confusion (a serious condition). Also, seek immediate help for a fast or irregular heartbeat, trouble breathing, chest pain, or unusual tiredness. Contact your doctor right away if you have uncontrolled movements (especially of your face or tongue), feel very dizzy or sleepy (which can lead to falls), have seizures, or a long-lasting and painful erection.
- Tell your doctor immediately if you have a fever, flu-like symptoms, or a sore throat, as this may mean you have a low white blood cell count. Also tell your doctor if you have constipation and long-lasting stomach pain, as this can lead to a serious bowel blockage.
- If you have thoughts of harming yourself or feel your depression is getting worse, contact your doctor immediately.
- Stop using Quetiapine Teva and contact your doctor immediately if you get severe skin reactions like widespread rash, blisters, or skin peeling.
- You might gain weight. Your doctor will check your weight regularly.
- This medicine is not for children or teenagers under 18 years old.
- This medicine can make you feel sleepy. Do not drive or use machines until you know how it affects you.
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)