This medicine contains the active ingredient risperidone which belongs to a group of medicines called atypical antipsychotics. These medicines affect the chemical balance in the brain by restoring it. Risperidone 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), mania (agitation, enthusiasm, hyperactivity, excitement, aggression) and aggression in people with Alzheimer’s dementia and in intellectually disabled children.
Is Risperidone suitable for me?
Risperidone is not suitable for everyone. Do not use it
- if you have an allergy (hypersensitivity) to risperidone or any other ingredient of this medicine
In particular, you must tell the doctor if you:
- are pregnant or breast-feeding
- have a history of blood clots
- have had low levels of white blood cells
- have an abnormally high level of the hormone prolactin in your blood
- have had a stroke
- have heart problems
- have ever had a fit (seizure)
- have diabetes or have a risk of getting diabetes
- have liver, kidney, or prostate problems
- have a tumor on your adrenal gland (a condition called phaeochromocytoma)
- have epilepsy, Parkinson's disease, neuroleptic malignant syndrome, raised pressure in your eye (glaucoma) or muscle weakness, called myasthenia gravis
Risperidone 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 Risperidone?
This medicine is available in form of orodispersible tablet and film-coated tablet.
You should take risperidone exactly as instructed by your doctor or pharmacist. You will be prescribed a dose according to your condition and needs.
- For the treatment of schizophrenia, the usual starting dose is 2 mg per day. The usual maintenance dose is 4 to 6 mg per day.
- For the treatment of mania, the usual starting dose is 2 mg once a day. The usual maintenance dose is between 1 and 6 mg per day.
- For the treatment of aggression in people with Alzheimer’s dementia, the usual starting dose is 0.25 mg twice a day. The usual maintenance dose is 0,5 or 1 mg twice a day.
- For the treatment of aggression in children and adolescents, the usual starting dose is 0.25 or 0,5 mg once a day. The usual maintenance dose is between 0.25 mg and 1,5 mg once 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 Risperidone side effects?
Like all medicines risperidone can cause side effects, including:
- difficulty falling or staying asleep
- impaired movement
- stiffness or tightness of the muscles
- slow, shuffling walk, tremor
- increased saliva and/or drooling
- loss of expression on the face
- feeling sleepy, or less alert
- infection of the chest (bronchitis)
- common cold symptoms
- sinus infection urinary tract infection ear infection
- men breast swelling
- difficulty in getting or maintaining erections, or other sexual dysfunction
- breast discomfort, leakage of milk from the breasts
- missed menstrual periods
- problems with your cycle
- weight gain
- increased appetite
- decreased appetite
- sleep disorder
- irritability, depression, anxiety, restlessness
- blurry vision, eye infection or "pink eye"
- rapid heart rate, high blood pressure
- shortness of breath
- sore throat, cough, nosebleeds
- abdominal pain, abdominal discomfort
- vomiting, nausea, constipation, diarrhea
- indigestion, dry mouth
- rash, skin redness
- muscle spasms
- bone or muscle ache
- back pain, joint pain
- incontinence (lack of control) of urine
- swelling of the body, arms or legs
- fever, chest pain
- weakness, fatigue (tiredness)
Consult a doctor if the side effects are severe. See the package leaflet for a complete list of side effects.