Risperdal Consta

Risperdal Consta is a medicine for schizophrenia that helps ease symptoms like hallucinations and delusions, and stops them from coming back.

Form
injektiokuiva-aine ja liuotin, depotsuspensiota varten
Strength
50 mg
Active Ingredient
Risperidone
Manufacturer
Janssen-Cilag Oy

How to Use

Dosage

The usual dose is 25 mg given as an injection every two weeks, but your doctor may decide you need a higher dose of 37.5 mg or 50 mg.

Method

Risperdal Consta is given as an injection into a muscle in your arm or buttock every two weeks by a nurse or doctor, and should not be given into a vein.

Important

The maximum dose per injection is 50 mg, given every two weeks, and your doctor will determine the best dose for you.

Possible Side Effects

COMMON
  • Cold symptoms
  • Trouble sleeping
  • Headache
  • Feeling down or worried (depression, anxiety)
  • Symptoms like Parkinson's disease (slow movements, stiffness, shaking)
  • Weight gain
  • High blood sugar
  • Dizziness
  • Stomach pain, feeling sick, constipation
  • Pain or swelling at the injection site
RARE
  • Sudden mental changes or weakness on one side (may be signs of a stroke)
  • Uncontrolled face or body movements
  • Blood clots (in legs or lungs)
  • Fever, stiff muscles, reduced consciousness
  • Prolonged or painful erection
  • Severe allergic reactions (swelling, breathing problems)
  • Low white blood cell count
  • Low blood sugar

Important Warnings

  • Do not use if you are allergic to Risperdal Consta or any of its ingredients.
  • If you have never used Risperdal before, your doctor will start you on oral Risperdal first.
  • Tell your doctor if you have heart problems, such as an irregular heartbeat, low blood pressure, or if you take heart medication.
  • Contact your doctor immediately if you experience a severe allergic reaction, such as a rash, throat swelling, itching, or breathing difficulties.
  • Risperdal Consta may cause weight gain and affect blood sugar levels, so your doctor will monitor these.
Show 4 more warnings
  • This medicine is not for elderly patients with dementia; if they experience sudden mental changes or weakness, contact your doctor immediately.
  • Avoid alcohol while taking this medicine.
  • Be careful when driving or operating machinery as this medicine may cause dizziness, tiredness, or vision problems.
  • If you are pregnant or breastfeeding, talk to your doctor before using this medicine.

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)