Risperdal Side Effects by Likelihood and Severity

COMMON side effects

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If experienced, these tend to have a Severe expression

• A Change In Vision
• A Feeling Of Restlessness With Inability To Sit Still
• A Type Of Abnormal Movement Disorder Called Dyskinesia
• A Type Of Movement Disorder Called Parkinsonism
• Extrapyramidal Disease, A Type Of Movement Disorder

If experienced, these tend to have a Less Severe expression

• A Common Cold
• A Skin Rash
• A Sore Throat
• A Stuffy And Runny Nose
• Abnormal Muscle Movements
• Abnormal Sexual Function
• Agitation
• Altered Interest In Having Sexual Intercourse
• Anxious Feelings
• Blurred Vision
• Changes In Appetite
• Constipation
• Cough
• Diarrhea
• Difficulty Sleeping
• Dizziness
• Drowsiness
• Dry Mouth
• Excessive Saliva Production
• Headache
• Increased Hunger
• Indigestion
• Inducing Of A Relaxed Easy State
• Involuntary Leakage Of Urine
• Itching
• Low Energy
• Mental Status Changes
• Muscle Tremors
• Nausea
• Nervousness
• Reactions At The Site Of The Injection
• Runny Nose
• Stuffy Nose
• Throat Irritation
• Vomiting
• Weight Gain

INFREQUENT side effects

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If experienced, these tend to have a Severe expression

• Low Blood Pressure
• Orthostatic Hypotension, A Form Of Low Blood Pressure

If experienced, these tend to have a Less Severe expression

• A High Prolactin Level
• A Problem With Menstrual Periods
• Backache
• Breastmilk Production Not Associated With Childbirth Or Nursing
• Confusion
• Difficulty Concentrating
• Generalized Weakness
• Heart Throbbing Or Pounding
• High Amount Of Triglyceride In The Blood
• High Blood Sugar
• High Cholesterol
• Joint Pain
• Loss Of Muscle Coordination
• Muscle Pain
• Muscle Weakness
• Nosebleed
• Pain In The Arms Or Legs
• Seborrhea
• Stomach Cramps
• Trouble Breathing

RARE side effects

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If experienced, these tend to have a Severe expression

• A Clot In The Lung
• A Condition With Muscle Tissue Breakdown Called Rhabdomyolysis
• A Disorder With Excess Antidiuretic Hormone Called Syndrome Of Inappropriate Antidiuretic Hormone
• A Significant Type Of Allergic Reaction Called Anaphylaxis
• A Skin Disorder With Blistering And Peeling Skin Called Stevens-Johnson Syndrome
• A Skin Disorder With Blistering And Peeling Skin Called Toxic Epidermal Necrolysis
• A State Of Stupor And Unresponsiveness Called Catatonia
• A Stroke
• A Transient Ischemic Attack, A Type Of Stroke That Lasts Only A Few Minutes
• A Tumor Of The Pituitary Gland
• A Type Of Allergic Reaction Called Angioedema
• A Type Of Significant Allergic Skin Reaction Called DRESS Syndrome
• A Type Of Slowed Heart Rhythm Disorder Called Heart Block
• A Yellowing Of The Eyes Or Skin From Buildup Of Bilirubin Called Jaundice
• Abnormal Heart Electrical Signals
• Abnormal Liver Function Tests
• Accidental Falls
• Anemia
• Atrial Fibrillation
• Atrioventricular Block, A Type Of Slow Heart Rhythm Disorder
• Blockage Of The Stomach Or Intestine
• Blocked Bowels With Decreased Peristaltic Movement
• Cerebral Ischemia, A Lack Of Blood Supply To The Brain
• Decreased Alertness Or Consciousness
• Decreased Blood Platelets
• Diabetes
• Fever
• Floppy Iris During Eye Surgery
• High Blood Pressure
• Low Body Temperature
• Low Levels Of A Type Of White Blood Cell Called Neutrophils
• Low Levels Of White Blood Cells
• Neuroleptic Malignant Syndrome, A Reaction Characterized By Fever, Muscle Rigidity And Confusion
• Pancreatitis
• Pneumonia
• Pneumonia Due To Accidental Inhalation Of Vomit
• Priapism, A Prolonged Erection Of The Penis
• Problems With Food Passing Through The Esophagus
• Seizures
• Sinus Tachycardia, A Type Of Fast Heart Rate
• Sleep Apnea
• Slow Heartbeat
• Swelling Of The Tongue
• Tardive Dyskinesia, A Disorder Characterized By Involuntary Movements Of The Face, Mouth And Tongue
• The Flu
• Thrombotic Thrombocytopenic Purpura, A Type Of Blood Disorder
• Undue Retention Of Water With Sodium Depletion
• Very Low Levels Of Granulocytes, A Type Of White Blood Cell

If experienced, these tend to have a Less Severe expression

• A Change In The Ability To Pay Attention
• A Decrease In Sharpness Of Vision Called Reduced Visual Acuity
• A Sleep Disorder
• A Type Of Speech Disorder Called Dysarthria
• A Type Of Stomach Irritation Called Gastritis
• Absence Of Menstrual Periods
• Accumulation Of Fluid In The Tissues Of The Eyelid
• An Earache
• An Inability To Completely Empty The Bladder
• An Increased Amount Of Blood In The Lining Of The Eye Called Conjunctival Hyperemia
• An Infection Of The Ear
• Breast Pain
• Chest Pains Unrelated To Heart Problems
• Complex Sleep Behaviors Like Eating Or Driving While Asleep
• Crusting Of The Eyelid
• Decreased Appetite
• Difficulty Swallowing
• Enlarged Breasts
• Fainting
• Fluid Retention In The Legs, Feet, Arms Or Hands
• Gas
• Hair Loss
• Hives
• Inflammation Of The Lips
• Involuntary Eyelid Twitching
• Joint Stiffness
• Large Purple Or Brown Skin Blotches
• Lip Swelling
• Low Blood Sugar
• Muscle Spasm
• Numbness
• Pain In The Muscles Or Bones
• Poisoning Caused By Anticholinergic Medication
• Problems With Ejaculation
• Retrograde Ejaculation
• Ringing In The Ears
• Sensation Of Spinning Or Whirling
• Sleepwalking
• Taste Impairment
• The Inability To Control A Bowel Movement
• Urinary Tract Infection
• Visible Water Retention
• Visual Sensitivity To Light