FV Allergy Relief Tablet Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Less Severe expression

  • An Increase In The Thickness Of Lung Secretions
  • Dizziness
  • Drowsiness
  • Dry Mouth
  • Dryness Of The Nose
  • Headache
  • Poisoning Caused By Anticholinergic Medication
  • Throat Dryness

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • Abnormal Liver Function Tests

If experienced, these tend to have a Less Severe expression

  • A Skin Rash
  • An Infection Due To A Virus
  • Backache
  • Diarrhea
  • Difficulty Sleeping
  • Dizziness
  • Drowsiness
  • Dry Mouth
  • Dryness Of The Nose
  • False Sense Of Well-Being
  • Headache
  • Indigestion
  • Inducing Of A Relaxed Easy State
  • Inflammation Of The Tissue Lining The Sinuses
  • Intense Abdominal Pain
  • Low Energy
  • Muscle Pain
  • Muscle Weakness
  • Nausea
  • Nervousness
  • Nosebleed
  • Pain With Menstruation
  • Pink Eye
  • Throat Irritation
  • Vomiting

RARE side effects


If experienced, these tend to have a Severe expression

  • A Bacterial Infection Of The Middle Ear
  • A Blood Disorder
  • A Common Cold
  • A Hypersensitivity Reaction To A Drug
  • 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 Tonic-Clonic Seizure
  • A Type Of Allergic Reaction Called Angioedema
  • A Type Of Blood Disorder Where The Red Blood Cells Burst Called Hemolytic Anemia
  • A Type Of Bumpy Skin Rash Called A Maculopapular Rash
  • A Type Of Skin Disorder Called Acute Generalized Exanthematous Pustulosis
  • Abnormal Bleeding In The Brain Resulting In Damage To Brain Tissue, Called A Hemorrhagic Stroke
  • Abnormal Heart Rhythm
  • Abnormal Liver Function Tests
  • Acute Liver Failure
  • An Intense Headache
  • Blockage Of Normal Bile Flow
  • Bronchospastic Lung Disease
  • Chest Tightness
  • Damage To The Liver And Inflammation
  • Decreased Blood Platelets
  • Dehydration
  • Difficult Or Painful Urination
  • Difficulty Sleeping
  • Dizziness
  • Excessive Sweating
  • Extra Heartbeats
  • Fast Heartbeat
  • Hallucinations
  • Headache
  • Hearing Loss
  • Heart Throbbing Or Pounding
  • High Blood Pressure
  • Hives
  • Inflammation Of The Liver Called Hepatitis
  • Inflammation Of The Skin Due To An Allergy
  • Loss Of Skin Color
  • Low Blood Pressure
  • Low Levels Of A Type Of White Blood Cell Called Neutrophils
  • Low Levels Of White Blood Cells
  • Muscle Tremors
  • Nervousness
  • Seizures
  • Swelling Of The Tongue
  • Very Low Levels Of Granulocytes, A Type Of White Blood Cell
  • Visible Water Retention
  • Vocal Cord Swelling

If experienced, these tend to have a Less Severe expression

  • A Change In Vision
  • A Change In Voice
  • A Discolored Tongue
  • A Distorted Sense Of Smell Called Parosmia
  • A Feeling Of General Discomfort Called Malaise
  • A Feeling Of Pins And Needles On Skin
  • A Headache From Overuse Of Medications
  • A Migraine Headache
  • A Skin Rash
  • A Type Of Abnormal Movement Disorder Called Dyskinesia
  • A Type Of Bumpy Skin Rash Called A Maculopapular Rash
  • A Type Of Stomach Irritation Called Gastritis
  • Abdominal Bloating
  • Abnormal Dreams
  • Accidental Falls
  • Acne
  • Agitation
  • An Earache
  • An Extreme Sense Of Wellbeing Called Euphoria
  • An Inability To Completely Empty The Bladder
  • An Inability To Completely Empty The Bladder
  • Anxious Feelings
  • Blurred Vision
  • Bronchitis
  • Burping
  • Chest Discomfort
  • Chills
  • Confusion
  • Constipation
  • Cough
  • Decreased Appetite
  • Diarrhea
  • Difficult Or Painful Urination
  • Difficulty Concentrating
  • Difficulty Sleeping
  • Dizziness
  • Double Vision
  • Dry Mouth
  • Dryness Of The Nose
  • Erythema Or Redness Of Skin Or Mucous Membrane
  • Excessive Sweating
  • Fainting
  • Fast Heartbeat
  • Fever
  • Gas
  • Hair Loss
  • Hallucinations
  • Headache
  • Heart Throbbing Or Pounding
  • Hemorrhoids
  • Hives
  • Hyperactive Behavior
  • Increased Hunger
  • Increased Sensitivity Of The Skin To The Sun
  • Indigestion
  • Inducing Of A Relaxed Easy State
  • Intense Abdominal Pain
  • Involuntary Leakage Of Urine
  • Irritability
  • Itching
  • Leg Cramps
  • Loss Of Muscle Coordination
  • Low Energy
  • Memory Loss
  • Muscle Tremors
  • Nausea
  • Nervousness
  • Nightmares
  • Nosebleed
  • Over Excitement
  • Pain
  • Poisoning Caused By Anticholinergic Medication
  • Ringing In The Ears
  • Sensation Of Spinning Or Whirling
  • Stomach Cramps
  • Stomatitis, A Condition With Painful Swelling And Sores Inside The Mouth
  • Taste Impairment
  • Throat Dryness
  • Throat Irritation
  • Trouble Breathing
  • Unsteady Walking
  • Vomiting
  • Weight Gain
  • Wheezing

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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.