Quetiapin Orion

Quetiapin Orion is an antipsychotic medicine used to treat mental health conditions like bipolar disorder (including depression and mania) and schizophrenia.

Form
tabletti, kalvopäällysteinen
Strength
100 mg
Active Ingredient
Quetiapine fumarate
Manufacturer
Orion Corporation

How to Use

Dosage

Your doctor will decide your starting dose, and the usual daily dose for maintenance is between 150 mg and 800 mg.

Method

Take the tablets once a day at bedtime or twice a day, depending on your illness. Swallow the tablets whole with water, with or without food.

Important

The maximum usual daily dose is 800 mg.

Possible Side Effects

COMMON
  • Dizziness or headache
  • Dry mouth
  • Feeling sleepy (this may go away with continued use)
  • Symptoms when stopping the medicine, such as trouble sleeping, feeling sick, headache, diarrhea, vomiting, dizziness, and irritability
  • 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) in the blood
  • Fast heartbeat or heart palpitations
  • Constipation or indigestion
  • Weakness or swelling in the arms or legs
  • Low blood pressure when standing up (may cause dizziness or fainting)
  • High blood sugar
  • Blurred vision
  • Abnormal dreams or nightmares
  • Increased appetite or irritability
  • Trouble speaking or breathing
  • Thoughts of self-harm or worsening depression
  • Vomiting (especially in elderly patients)
  • Fever
  • Changes in thyroid hormone levels, reduced white blood cells, or increased liver enzymes in blood tests
  • Increased prolactin hormone in the blood, which can rarely cause breast swelling and unexpected milk production in men and women, or missed/irregular periods in women
RARE
  • Seizures or epilepsy
  • Allergic reactions like hives or swelling around the mouth
  • Unpleasant feeling in legs (restless legs syndrome)
  • Difficulty swallowing
  • Uncontrolled movements, especially of the face or tongue
  • Sexual problems
  • Diabetes that gets worse
  • Changes in heart's electrical activity (QT prolongation) or slower heart rate that can lead to low blood pressure or fainting
  • Difficulty urinating or fainting (may lead to falls)
  • Stuffy nose
  • Reduced red blood cells or low sodium in the blood
  • Confusion
  • Neuroleptic malignant syndrome (a combination of high fever, sweating, muscle stiffness, severe drowsiness or weakness)
  • Yellow skin or eyes (jaundice) or liver inflammation (hepatitis)
  • Prolonged and painful erection (priapism)
  • Breast swelling and unexpected milk production (galactorrhea) or menstrual problems
  • Blood clots in veins, especially in the legs (swelling, pain, redness) which can travel to the lungs (chest pain, breathing difficulties)
  • Sleepwalking, sleep-talking, sleep-eating, or other activities while asleep
  • Lower body temperature (hypothermia)
  • Inflammation of the pancreas (pancreatitis)
  • Metabolic syndrome (a combination of increased belly fat, decreased 'good' cholesterol, increased triglycerides, high blood pressure, and high blood sugar)
  • Fever, flu-like symptoms, sore throat, or other infection with very low white blood cells (agranulocytosis)
  • Bowel blockage or increased muscle substance (creatinine phosphokinase) in the blood
  • Severe rash with blisters or red patches on the skin
  • Severe allergic reaction (anaphylactic shock) causing breathing difficulties or shock
  • Sudden swelling of the skin, usually around the eyes, lips, or throat (angioedema)
  • Severe blistering skin disease (Stevens-Johnson syndrome, Toxic Epidermal Necrolysis, Erythema multiforme, AGEP, DRESS)
  • Abnormal secretion of a hormone that controls urine volume
  • Muscle fiber breakdown and muscle pain (rhabdomyolysis)
  • Heart muscle disease (cardiomyopathy) or inflammation (myocarditis)
  • Inflammation of blood vessels (vasculitis) often with red or purple skin bumps
  • Withdrawal symptoms in newborns if the mother used Quetiapin Orion during pregnancy
  • Stroke

Important Warnings

  • Do not take Quetiapin Orion if you are allergic to quetiapine or any other ingredient in the medicine.
  • Do not take this medicine with certain HIV medicines, antifungal medicines (azoles), specific antibiotics (erythromycin or clarithromycin), or the antidepressant nefazodone.
  • Tell your doctor if you have heart problems, low blood pressure, a history of stroke, liver problems, diabetes, or a history of seizures.
  • Quetiapin Orion is not for use in children and adolescents under 18 years of age.
  • Do not stop taking this medicine suddenly, even if you feel better, without talking to your doctor first.
Show 2 more warnings
  • Avoid grapefruit juice and be careful with alcohol, as they can affect how the medicine works or cause drowsiness.
  • Seek immediate medical attention if you experience high fever, severe muscle stiffness, sweating, confusion, uncontrolled movements, severe dizziness or sleepiness (risk of falls), seizures, a prolonged painful erection, or fast/irregular heartbeats.