Quetiapine Teva
Quetiapine Teva is a medicine that helps with mental health conditions like depression, mania, and schizophrenia.
Form
tabletti, kalvopäällysteinen
Strength
25 mg
Active Ingredient
Quetiapine fumarate
Manufacturer
TEVA Sweden AB
How to Use
Dosage
Your doctor will decide your starting dose. The usual daily dose is between 150 mg and 800 mg, depending on your illness.
Method
Take the tablets once a day at bedtime or twice a day, as advised by your doctor. Swallow the tablets whole with water. You can take them with or without food.
Important
The maximum daily dose is usually 800 mg.
Possible Side Effects
COMMON
- •Feeling sleepy, headache, dizziness, dry mouth.
- •Gaining weight.
- •Unusual muscle movements like shaking or stiffness.
- •Fast or pounding heart.
- •Constipation, upset stomach.
- •Swelling in hands or feet.
- •Feeling dizzy or faint when standing up due to low blood pressure.
- •High blood sugar.
- •Blurry vision, strange dreams, more hunger.
- •Feeling annoyed, having trouble speaking.
- •Shortness of breath, throwing up (more common in older people).
- •Fever.
- •Changes in thyroid or liver blood tests.
- •Changes in white blood cells.
- •High levels of a hormone called prolactin, which can cause breast swelling or milk production in men and women, or irregular periods in women.
- •Feeling unwell if you stop the medicine suddenly (insomnia, nausea, headache, diarrhea, throwing up, dizziness, irritability).
RARE
- •Seizures (epilepsy).
- •Allergic skin reactions, like hives or swelling of the face/mouth.
- •Restless legs, difficulty swallowing.
- •Uncontrolled face or tongue movements.
- •Sexual problems.
- •Diabetes getting worse.
- •Changes in heart's electrical rhythm, slower heart rate, fainting.
- •Trouble urinating, stuffy nose.
- •Low salt levels in blood, confusion.
- •Very severe reactions like high fever, stiff muscles, sweating, feeling very sleepy or weak (neuroleptic malignant syndrome).
- •Yellow skin and eyes (jaundice), liver swelling.
- •Long-lasting, painful erection.
- •Blood clots (e.g., in legs, which can travel to lungs and cause chest pain/breathing trouble).
- •Sleepwalking or sleep-eating.
- •Low body temperature.
- •Pancreas inflammation.
- •Metabolic syndrome (a group of issues like extra belly fat, bad cholesterol, high blood pressure, high blood sugar).
- •Very low white blood cell count leading to serious infections.
- •Bowel blockage.
- •Signs of muscle damage in blood tests.
- •Very severe skin rashes with blisters or peeling (like Stevens-Johnson syndrome, toxic epidermal nekrolysis, DRESS, AGEP, erythema multiforme).
- •Severe full-body allergic reaction (anaphylaxis) with breathing trouble or shock, swelling around eyes, lips, or throat.
- •Hormone problems affecting urination.
- •Muscle breakdown (rhabdomyolysis).
- •Heart muscle disease or inflammation.
- •Blood vessel inflammation, stroke.
- •Withdrawal symptoms in newborns if mother took medicine during pregnancy (shaking, stiff/weak muscles, sleepiness, restlessness, breathing/feeding issues).
Important Warnings
- Do not use if you are allergic to quetiapine or any other ingredients in this medicine.
- Do not use with certain HIV medicines, antifungal medicines (azoles), erythromycin, clarithromycin, or the antidepressant nefazodone.
- Tell your doctor if you have heart problems, low blood pressure, liver problems, or diabetes.
- Tell your doctor if you have a history of stroke, seizures, or blood clots.
- If you are elderly and have dementia or Parkinson's disease, talk to your doctor before taking this medicine.
Show 12 more warnings
- Avoid alcohol and grapefruit juice during treatment.
- Do not stop taking the medicine suddenly, as this can cause withdrawal symptoms. Your doctor will advise you on how to stop gradually.
- This medicine can make you sleepy. Do not drive or use machines until you know how it affects you.
- Tell your doctor if you are pregnant, breastfeeding, or planning to become pregnant.
- If you get a high fever, severe muscle stiffness, sweating, or confusion, contact a doctor immediately.
- If you experience a fast or irregular heartbeat, chest pain, or shortness of breath, contact a doctor immediately.
- Tell your doctor immediately if you notice uncontrolled movements (especially of the face or tongue), seizures, or a long-lasting erection.
- Contact your doctor if you have fever, flu-like symptoms, sore throat, persistent stomach pain, or constipation that doesn't improve.
- Be aware of suicidal thoughts, especially if you are a young adult or are stopping the medicine. Contact a doctor immediately if you have such thoughts.
- Stop taking the medicine and contact a doctor immediately if you develop severe skin reactions, such as blisters or skin peeling.
- Weight gain has been observed with this medicine, so monitor your weight regularly.
- This medicine should not be used in children or adolescents under 18 years of age.
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)