Risperidon ratiopharm
Risperidon ratiopharm is an antipsychotic medicine used for long-term treatment of schizophrenia to relieve symptoms and prevent them from returning.
Form
injektiokuiva-aine ja liuotin, depotsuspensiota varten
Strength
37.5 mg
Active Ingredient
Risperidone
Manufacturer
ratiopharm GmbH
How to Use
Dosage
Your doctor will decide your dose. The usual maintenance dose is 25 mg given as an injection every two weeks, but the dose may be adjusted to 37.5 mg or 50 mg if needed.
Method
A doctor or nurse will give you this medicine as an injection into a muscle (arm or buttock) every two weeks. The injection site will be alternated.
Important
The maximum single dose given is 50 mg every two weeks.
Possible Side Effects
COMMON
- •Flu-like illness
- •Trouble sleeping, feeling sleepy or tired
- •Feeling sad, worried, or irritable
- •Headache
- •Stiff or slow movements, shaking, mask-like face (Parkinson-like symptoms)
- •Dizziness
- •Jerky or twisting body movements
- •Blurred vision
- •Fast heartbeat
- •High or low blood pressure
- •Breathing difficulties (like cough or stuffy nose)
- •Stomach pain, nausea, vomiting, constipation, diarrhea
- •Skin rash
- •Muscle, bone, or joint pain
- •Problems controlling urination
- •Erection problems
- •Swelling in arms, legs, or body
- •Fever, feeling weak
- •Pain at the injection site
- •Weight gain or loss, changes in appetite
- •High blood sugar
- •High levels of a hormone called prolactin (can cause breast swelling, period problems)
- •Infections (like pneumonia, bronchitis, urinary tract infections)
RARE
- •Symptoms like a stroke (sudden weakness, numbness, slurred speech)
- •Uncontrolled jerking movements of the face, tongue, or other body parts
- •Blood clots (especially in legs, with swelling, pain, redness)
- •Very high fever, stiff muscles, confusion, sweating (Neuroleptic Malignant Syndrome)
- •Long-lasting or painful erection
- •Severe allergic reaction (rash, swelling of face/throat, trouble breathing, low blood pressure)
- •Low white blood cell count (increases risk of infection)
- •New or worsening diabetes, sugar in urine
- •Changes in blood fats (triglycerides, cholesterol)
- •Extreme mood changes (mania, confusion, nightmares)
- •Loss of consciousness, seizures, fainting
- •Balance problems, attention problems, changes in taste or sensation
- •Eye problems (inflammation, dry eyes, rolling eyes, light sensitivity, issues during cataract surgery)
- •Ringing in ears or ear pain
- •Irregular or slow heartbeat
- •Getting dizzy or fainting when standing up
- •Severe breathing problems (sleep apnea, breathing food into lungs, wheezing, nosebleeds)
- •Digestive issues (difficulty swallowing, blocked bowels, very hard stools, pancreas inflammation)
- •Severe skin reactions (blistering rash like Stevens-Johnson syndrome, hives, hair loss, eczema, acne)
- •Muscle breakdown and pain
- •Swelling of the face, mouth, lips, or tongue
- •Body temperature problems, chills
- •Yellowing of skin and eyes (jaundice)
- •Severe thirst, drinking too much water
- •Coma from uncontrolled diabetes
- •Sudden blindness or glaucoma
- •Withdrawal symptoms if medication is stopped
- •Heart palpitations when standing up
Important Warnings
- Do not take if you are allergic to risperidone or any other ingredient in this medicine.
- If you have never used risperidone before, you should start with oral risperidone before starting injections.
- Tell your doctor if you have heart problems, such as an irregular heartbeat or low blood pressure.
- Tell your doctor if you have risk factors for stroke, such as high blood pressure.
- Tell your doctor if you have ever had involuntary movements of your tongue, mouth, or face.
Show 17 more warnings
- Seek medical help immediately if you have a fever, muscle stiffness, sweating, or decreased consciousness.
- Tell your doctor if you have Parkinson's disease or dementia.
- Tell your doctor if you have a history of low white blood cell count.
- Tell your doctor if you have diabetes or epilepsy.
- If you are male and have had a prolonged or painful erection, tell your doctor.
- Tell your doctor if you have problems regulating your body temperature.
- Tell your doctor if you have kidney or liver disease.
- Tell your doctor if you have high prolactin hormone levels or a prolactin-related tumor.
- Tell your doctor if you or your family has a history of blood clots.
- Seek medical help immediately if you develop a rash, swollen throat, itching, or breathing difficulties after the injection.
- Your weight will be monitored regularly, as this medicine can cause weight gain.
- Your doctor will monitor your blood sugar for the development or worsening of diabetes.
- If you are scheduled for eye surgery, tell your eye doctor that you are taking this medicine.
- If you experience sudden mental changes or weakness in your face, arms, or legs, contact your doctor immediately.
- Avoid alcohol while taking this medicine.
- Consult your doctor if you are pregnant, breastfeeding, or planning a pregnancy.
- Do not drive or operate machinery if you experience dizziness, tiredness, or vision problems.
Use in Elderly Patients
Category D
Avoid use in older adults. For treatment of psychosis only. Use only in special cases and for a limited time in the management of severe behavioural symptoms of cognitive impairment. Reduce the dose already in mild renal impairment. Increases the risk of cardiovascular events, QT prolongation and orthostatic hypotension. Increases risk for falls and extrapyramidal symptoms. (updated 15.1.2024)