This medicine contains the active ingredient quetiapine which belongs to a group of medicines called atypical antipsychotics. These medicines affect the chemical balance in the brain by restoring it. Quetiapine is prescribed for the treatment of different mood disorders such as schizophrenia (you see, hear, feel things that do not exist, have strange and frightening thoughts, you are depressed and anxious, you cannot differentiate between fiction and reality), bipolar depression (sadness, lack of energy, insomnia, loss of appetite, guilt) and mania (agitation, enthusiasm, hyperactivity, excitement, aggression).
Is Quetiapine suitable for me?
Quetiapine is not suitable for everyone. Do not use it
- if you have an allergy (hypersensitivity) to quetiapine or any other ingredient of this medicine
- if you are currently using some medicines for HIV, Azole’ medicines (for fungal infections), erythromycin or clarithromycin (for infections) or nefazodone (for depression)
In particular, you must tell the doctor if you:
- are pregnant or breast-feeding
- have low blood pressure
- have had a stroke
- have heart problems
- have problems with your liver
- have ever had a fit (seizure)
- have diabetes or have a risk of getting diabetes
- have had low levels of white blood cells in the past
- have liver, kidney, or prostate problems
- have a tumor on your adrenal gland (phaeochromocytoma)
- have epilepsy, Parkinson's disease, raised pressure in your eye (glaucoma) or muscle weakness, called myasthenia gravis
Quetiapine interacts with other medicines. It is most important that you tell the doctor all the medications and herbal supplements that you are currently taking.
See the package leaflet for a complete list of possible contraindications and warnings.
How should I take Quetiapine?
This medicine is available in form of a film-coated tablet.
You should take quetiapine exactly as instructed by your doctor or pharmacist. You will be prescribed a dose according to your condition and needs.
- The usual maintenance dose is between 150 mg and 800 mg taken once or twice a day.
Do not use more of it, do not use it more often, or do not use it for a longer time than your doctor instructed. Also, this medicine works best if there is a constant amount in the blood. To help keep this amount constant, do not miss any doses and take the medicine at the same time each day. Do not take two doses together if you miss a dose.
Read the information leaflet provided with your medication for additional information. Talk to your doctor if you have any additional questions.
What are Quetiapine side effects?
Like all medicines quetiapine can cause side effects, including:
- dry mouth
- nausea, vomiting
- abnormal muscle movements
- changes in the amount of certain fats (triglycerides and cholesterol) in the blood
- weight gain
- decreased levels of hemoglobin
- fast, irregular heartbeat
- shortness of breath
- low blood pressure
- constipation, indigestion
- sleep disturbances
- thoughts of suicide and worsening of your depression
- feel hungry
- disturbance in speech and language
- increases in the amount of the hormone prolactin in the blood
- blurred vision
- feeling irritated
- increased levels of liver enzymes in the blood
- changes in the amount of thyroid hormones (in your blood)
- decrease in number of certain blood cells
- increased levels of sugar in the blood
- feeling weak
- swelling of arms or legs
Consult a doctor if the side effects are severe. See the package leaflet for a complete list of side effects.