Phenytoin Sodium Ampul Side Effects by Likelihood and Severity

COMMON side effects

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If experienced, these tend to have a Severe expression

• A Hypersensitivity Reaction To A Drug
• A Toxic Effect On The Central Nervous System, Which Consists Of The Brain And Spinal Cord

If experienced, these tend to have a Less Severe expression

• A Fever As A Result Of Taking The Medication
• A Skin Rash
• Confusion
• Constipation
• Dizziness
• Drowsiness
• Irritability
• Loss Of Muscle Coordination
• Muscle Tremors
• Nausea And Vomiting
• Nervousness
• Nystagmus, A Condition With Involuntary Eye Movements
• Over Excitement
• Overgrowth Of Gums Onto Teeth
• Slurred Speech
• Stuttering

INFREQUENT side effects

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If experienced, these tend to have a Severe expression

• Reactions At The Site Of The Injection

If experienced, these tend to have a Less Severe expression

• A Painful Condition That Affects The Nerves In The Legs And Arms Called Peripheral Neuropathy
• Abnormal Forward Position Of One Or Both Jaws
• Difficulty Sleeping
• Enlarged Breasts
• Enlargement Of The Lips
• Headache
• Hirsutism, A Condition Of Hair Growth On Parts Of The Body Normally Without Hair
• Muscle Twitching
• Taste Impairment

RARE side effects

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If experienced, these tend to have a Severe expression

• A Blockage Of The Bile Duct That Resulting In High Bilirubin Levels
• A Blood Disorder
• A Disorder Of The Body's Use Of Calcium
• A Disorder Of Vitamin D
• 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 Type Of Abnormal Movement Disorder Called Dyskinesia
• A Type Of Allergic Reaction Called Angioedema
• A Type Of Blood Disorder With A Decrease In All Types Of Blood Cells Called Pancytopenia
• A Type Of Bumpy Skin Rash Called A Maculopapular Rash
• A Type Of Significant Allergic Skin Reaction Called DRESS Syndrome
• A Type Of Skin Disorder Called Acute Generalized Exanthematous Pustulosis
• A Type Of Slowed Heart Rhythm Disorder Called Heart Block
• Abnormal Heart Rhythm
• Abnormal Muscle Movements
• Accidental Falls
• Acute Liver Failure
• Cerebellar Atrophy
• Complete Stoppage Of The Heart
• Damage To The Skin And Tissue Around The Injection Site
• Decreased Blood Platelets
• Increased Eosinophils In The Blood
• Inflammation Of The Liver Called Hepatitis
• Inflammation Of The Skin With Blisters
• Involuntary Movements Of The Limbs, Trunk, And Facial Muscles Called Paroxysmal Choreoathetosis
• Low Levels Of White Blood Cells
• Megaloblastic Anemia
• Multiple Organ Failure
• Peyronie's Disease
• Polyarteritis Nodosa
• Purple Glove Syndrome, A Skin Condition Where The Extremities Become Swollen, Purple And Painful
• Rapid Ventricular Heartbeat
• Significantly Low Blood Pressure
• Slow Heartbeat
• Swollen Lymph Nodes
• Systemic Lupus Erythematosus, An Autoimmune Disease
• Ventricular Fibrillation, A Heart Rhythm Disorder
• Very Low Levels Of Granulocytes, A Type Of White Blood Cell
• X-Ray Results Showing Lung Tissue Changes

If experienced, these tend to have a Less Severe expression

• A Feeling Of Pins And Needles On Skin
• High Blood Sugar
• Sensation Of Spinning Or Whirling