Risperidone Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Severe expression

  • A Feeling Of Restlessness With Inability To Sit Still
  • Acute Infection Of The Nose, Throat Or Sinus
  • Dyskinesia
  • Extrapyramidal Reaction
  • Parkinson Symptoms
  • Problems With Eyesight

If experienced, these tend to have a Less Severe expression

  • Altered Interest In Having Sexual Intercourse
  • Altered Mental Status
  • Blurred Vision
  • Change In Appetite
  • Chronic Trouble Sleeping
  • Constipation
  • Cough
  • Diarrhea
  • Dizzy
  • Drowsiness
  • Dry Mouth
  • Feel Like Throwing Up
  • Feeling Agitated
  • Feeling Anxious
  • Head Pain
  • Increased Hunger
  • Increased Production Of Saliva
  • Indigestion
  • Inducing Of A Relaxed Easy State
  • Inflammation Of The Nose
  • Involuntary Quivering
  • Itching
  • Low Energy
  • Muscle Problems That Cause Abnormal Movement
  • Nervous
  • Problems With Bladder Control
  • Rash
  • Runny Nose
  • Sexual Problems
  • Signs And Symptoms At Injection Site
  • Stuffy Nose
  • Throat Irritation
  • Throat Pain
  • Throwing Up
  • Weight Gain

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • Abnormally Low Blood Pressure
  • Blood Pressure Drop Upon Standing
  • Discharge Of Milk In Men Or Women When Not Breastfeeding
  • Fast Heartbeat
  • High Blood Sugar

If experienced, these tend to have a Less Severe expression

  • Backache
  • Cannot Focus Thoughts
  • Confused
  • Excessive Fat In The Blood
  • Feeling Weak
  • Heart Throbbing Or Pounding
  • Increased Prolactin In The Blood
  • Joint Pain
  • Muscle Pain
  • Muscle Weakness
  • Nosebleed
  • Problem With Periods
  • Seborrhea
  • Stomach Cramps
  • Trouble Breathing
  • Uncoordinated

RARE side effects


If experienced, these tend to have a Severe expression

  • Abnormal Heart Electrical Signals
  • Abnormal Liver Function Tests
  • Abnormal Movements Of Face Muscles And Tongue
  • Altered Consciousness
  • Anemia
  • Atrial Fibrillation
  • Atrioventricular Heart Block
  • Blocked Bowels With Decreased Peristaltic Movement
  • Continued Painful Erection
  • Decreased Blood Platelets
  • Decreased Neutrophils A Type Of White Blood Cell
  • Decreased White Blood Cells
  • Deficiency Of Granulocytes A Type Of White Blood Cell
  • Diabetes
  • DRESS Syndrome
  • Eyelid Twitch
  • Falling
  • Feeling Faint
  • Fever
  • Giant Hives
  • Heart Block
  • High Blood Pressure
  • Hives
  • Infection Of Lung From Inhaling Stomach Contents
  • Intraoperative Floppy Iris Syndrome
  • Lack Of Blood Supply To The Brain
  • Life Threatening Allergic Reaction
  • Low Body Temperature
  • Lung Embolism
  • Neuroleptic Malignant Syndrome
  • Pancreatitis
  • Pneumonia
  • Problems With Food Passing Through The Esophagus
  • Prolonged QT Interval On EKG
  • Rhabdomyolysis
  • Seizures
  • Slow Heartbeat
  • Stomach Or Intestine Blockage
  • Stroke
  • Swollen Tongue
  • Syndrome Of Inappropriate Antidiuretic Hormone Secretion
  • Temporarily Stops Breathing While Sleeping
  • The Flu
  • Thrombotic Thrombocytopenic Purpura
  • Transient Ischemic Attack
  • Tumor Of The Pituitary Gland
  • Yellowing Of Skin Or Eyes From Liver Problems

If experienced, these tend to have a Less Severe expression

  • Absence Of Menstrual Periods
  • Accumulation Of Fluid In The Tissues Of The Eyelid
  • Breast Tenderness
  • Burning Stomach
  • Cannot Empty Bladder
  • Chest Pain Not Caused By Heart Problems
  • Crusting Of The Eyelid
  • Decrease In The Sharpness Of Vision
  • Difficulty Swallowing
  • Disturbance Of Attention
  • Dysarthria
  • Earache
  • Enlarged Breasts
  • Fluid Retention In The Legs, Feet, Arms Or Hands
  • Gas
  • Hair Loss
  • Increased Amount Of Blood In The Lining Of The Eye
  • Infection Of Ear
  • Inflammation Of The Lips
  • Joint Stiffness
  • Lip Swelling
  • Loss Of Appetite
  • Low Blood Sugar
  • Muscle Or Bone Pain
  • Muscle Spasm
  • Numbness
  • Perform Complex Natural Behaviors While Asleep
  • Problem With Ejaculation
  • Retrograde Ejaculation
  • Ringing In The Ears
  • Sensation Of Spinning Or Whirling
  • Sensitive To Light
  • Sleep Disorder
  • Sleepwalking
  • Taste Problems
  • Unable To Control Bowel Movement
  • Urinary Tract Infection
  • Visible Water Retention

Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, expect as may be authorized by the applicable terms of use.

CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.