Skip to Main Content

Risperidone Prefilled Syringe (RISPERIDONE – SUBCUTANEOUS INJECTION)

Risperidone Prefilled Syringe (RISPERIDONE - SUBCUTANEOUS INJECTION)

For schizophrenia.

Brand Name(s): Perseris, Uzedy

Generic Name: Risperidone

Instructions

This medicine will be given to you at the doctor's office.

This medicine is used by injecting it into the skin. Please ask your doctor, nurse or pharmacist for the correct places on your body where this medicine can be injected.

After injection, this medication will change from a liquid to a solid form. The area may feel like a small bump under the skin. It should get smaller over time. Do not try to remove the medicine.

Do not rub or massage the area where the injection was given.

It may take several weeks for this medicine to fully work.

If you miss a dose, contact your doctor for instructions.

Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.

Tell your doctor if symptoms do not get better or if they get worse.

This medicine may cause higher blood sugar levels or diabetes. Please follow your doctor's instructions and check your blood sugar level regularly while on this medicine.

Keep all appointments for medical exams and tests while on this medicine.

Cautions

During pregnancy, this medicine should be used only when clearly needed. Talk to your doctor about the risks and benefits.

Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.

Some patients taking this medicine have experienced serious side effects. Please speak with your doctor to understand the risks and benefits associated with this medicine.

This medicine may cause dizziness or fainting. Do not stand or sit up quickly.

Your ability to stay alert or to react quickly may be impaired by this medicine. Do not drive or operate machinery until you know how this medicine will affect you.

Do not drink beverages with alcohol while on this medicine.

If possible, avoid using with marijuana or other medicines that can cause dizziness or drowsiness. These include allergy/cold products, muscle relaxers, sleep aids, and pain relievers.

Avoid becoming overheated during exercise or other activities. Try to stay cool in hot weather.

This medicine passes into breast milk. Ask your doctor before breastfeeding.

If you have a painful erection or an erection for more than 4 hours, seek medical care right away.

Side Effects

The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.

  • constipation
  • dizziness or drowsiness
  • drooling
  • lack of energy and tiredness
  • headaches
  • low blood pressure
  • pain, redness, swelling near injection
  • weight gain

Call your doctor or get medical help right away if you notice any of these more serious side effects:

  • breathing interruption during sleep
  • confusion
  • fainting
  • fever
  • swelling in the neck or throat
  • fast or irregular heart beats
  • high blood sugar
  • signs of kidney damage (such as change in urine color or bubbly urine)
  • mood changes
  • uncontrollable movement of face, tongue, arms or legs
  • muscle aches, spasms or abnormal movements
  • seizures
  • problems with sexual functions or desire
  • shakiness
  • difficulty swallowing
  • excessive thirst
  • increased urinary frequency

A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.

Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.

This information does not replace the advice of a doctor. Ignite Healthwise, LLC, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Ignite Healthwise, LLC.

This information does not replace the advice of a doctor. Ignite Healthwise, LLC, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.