Fiorinal Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Less Severe expression

  • Chronic Trouble Sleeping
  • Conditions Of Excess Stomach Acid Secretion
  • Dizzy
  • Drowsiness
  • Feel Like Throwing Up
  • Heartburn
  • Irritation Of The Stomach Or Intestines
  • Nervous
  • Stomach Cramps
  • Throwing Up

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • Confused
  • Over Excitement
  • Sluggishness

If experienced, these tend to have a Less Severe expression

  • Chronic Trouble Sleeping
  • Constipation
  • Depression
  • Easily Angered Or Annoyed
  • Feel Like Throwing Up
  • Feeling Anxious
  • Feeling Faint
  • Head Pain
  • Nervous
  • Nightmares
  • Over Excitement
  • Sensation Of Spinning Or Whirling
  • Throwing Up

RARE side effects


If experienced, these tend to have a Severe expression

  • A Rupture In The Wall Of The Stomach Or Intestine
  • Abnormally Low Blood Pressure
  • Altered Consciousness
  • Anemia
  • Bleeding
  • Bleeding Of The Stomach Or Intestines
  • Blood Coming From Anus
  • Bronchospasm
  • Decrease In The Ability Of Platelet Cells To Clot
  • Decreased Blood Platelets
  • Decreased Calcification Or Density Of Bone
  • Decreased White Blood Cells
  • Deficiency Of Granulocytes A Type Of White Blood Cell
  • Drowsiness
  • Extra Heartbeat
  • Falling
  • Feeling Of Throat Tightness
  • Giant Hives
  • Hallucination
  • Hemolytic Anemia
  • Hemorrhage Within The Skull
  • Hepatitis Caused By Drugs
  • Hives
  • Hypersensitivity Drug Reaction
  • Inflammation Of Skin Caused By An Allergy
  • Interstitial Nephritis
  • Itching
  • Large Purple Or Brown Skin Blotches
  • Life Threatening Allergic Reaction
  • Loss Of Memory
  • Megaloblastic Anemia
  • Mental Problem
  • Rash
  • Rickets
  • Ringing In The Ears
  • Seizures
  • Short Periods Of Not Breathing
  • Skin Rash With Sloughing
  • Slow And Shallow Breathing
  • Slow Heartbeat
  • Small Skin Blister
  • Stevens-Johnson Syndrome
  • Stomach Or Intestinal Ulcer
  • Trouble Breathing
  • Wheezing

If experienced, these tend to have a Less Severe expression

  • Abnormal Liver Function Tests
  • Abnormal Nervous System Function Affecting Mental Alertness
  • Addiction To A Drug
  • Agitation
  • Black Tarry Stools
  • Blind Spot In The Eye
  • Burning Stomach
  • Collection Of Clotted Blood In An Organ, Space Or Tissue
  • Fast Heartbeat
  • Feel Like Throwing Up
  • Feeling Anxious
  • Hemorrhage From The Gums
  • Hyperactive Behavior
  • Increased Feeling Of The Skin
  • Indigestion
  • Loss Of Appetite
  • Nosebleed
  • Perform Complex Natural Behaviors While Asleep
  • Problem Thinking Clearly
  • Rash
  • Redness Of Skin
  • Ringing In The Ears
  • Shaking Extremities
  • Throwing Up
  • Uncoordinated

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, except 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.