Allegra Allergy Side Effects by Likelihood and Severity

Sorry, we have no data available. Please contact your doctor or pharmacist.

INFREQUENT side effects

If experienced, these tend to have a Less Severe expression

  • A Skin Rash
  • An Infection Due To A Virus
  • Backache
  • Dizziness
  • Drowsiness
  • Dry Mouth
  • Head Pain
  • Indigestion
  • Inflammation Of The Tissue Lining The Sinuses
  • Low Energy
  • Muscle Pain
  • Nausea
  • Pain With Menstruation
  • Throat Irritation
  • Vomiting

RARE side effects

If experienced, these tend to have a Severe expression

  • A Bacterial Infection Of The Middle Ear
  • A Common Cold
  • A Hypersensitivity Reaction To A Drug
  • A Significant Type Of Allergic Reaction Called Anaphylaxis
  • Hives

If experienced, these tend to have a Less Severe expression

  • Agitation
  • An Earache
  • Cough
  • Difficulty Sleeping
  • Fever
  • Itching
  • Nervousness
  • Nightmares
  • Pain
  • Stomach Cramps

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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.