Fexofenadine: What to Know Before You Take It
Also known as Allegra
A patient-focused safety profile with information from public regulatory sources.
In plain language
What Fexofenadine is used for
Uses reduces hives and relieves itching due to hives (urticaria). This product will not prevent hives or an allergic skin reaction from occurring.
Read before you decide
Risks and precautions
Risks and warnings
Severe Allergy Warning: Get emergency help immediately if you have hives along with any of the following symptoms: trouble swallowing dizziness or loss of consciousness swelling of tongue swelling in or around mouth trouble speaking wheezing or problems breathing drooling These symptoms may be signs of anaphylactic shock. This condition can be life threatening if not treated by a health professional immediately. Symptoms of anaphylactic shock may occur when hives first appear or up to a few hours later Not a Substitute for Epinephrine. If your doctor has prescribed an epinephrine injector for “anaphylaxis” or severe allergy symptoms that could occur with your hives, never use this product as a substitute for the epinephrine injector. If you have been prescribed an epinephrine injector, you should carry it with you at all times.
FDA safety data
Most-reported side effects
Based on 23,410 FAERS reports. Reports do not prove the drug caused the effect.
Regulatory record
FDA recalls (17)
CGMP Deviations: Microbial contamination was reported in stagnant water in the duct of the manufacturing equipment.
Recalling firm: SUN PHARMACEUTICAL INDUSTRIES INC
Failed Impurities/Degradation Specifications
Recalling firm: L. Perrigo Company
Failed Impurities/Degradation Specifications
Recalling firm: L. Perrigo Company
Failed Impurities/Degradation Specifications
Recalling firm: L. Perrigo Company
Failed Impurities/Degradation Specifications
Recalling firm: L. Perrigo Company
Failed Impurities/Degradation Specifications
Recalling firm: L. Perrigo Company
Failed Impurities/Degradation Specifications
Recalling firm: L. Perrigo Company
Failed Impurities/Degradation Specifications
Recalling firm: L. Perrigo Company
Failed Impurities/Degradation Specifications
Recalling firm: L. Perrigo Company
Failed Impurities/Degradation Specifications
Recalling firm: L. Perrigo Company
Failed Impurities/Degradation Specifications
Recalling firm: L. Perrigo Company
Failed Dissolution Specifications
Recalling firm: Dr. Reddy's Laboratories, Inc.
Common questions
Patient questions
What is Fexofenadine prescribed for?
Uses reduces hives and relieves itching due to hives (urticaria). This product will not prevent hives or an allergic skin reaction from occurring.
What are the key warnings and safety precautions for Fexofenadine?
Severe Allergy Warning: Get emergency help immediately if you have hives along with any of the following symptoms: trouble swallowing dizziness or loss of consciousness swelling of tongue swelling in or around mouth trouble speaking wheezing or problems breathing drooling These symptoms may be signs of anaphylactic shock. This condition can be life threatening if not treated by a health professional immediately. Symptoms of anaphylactic shock may occur when hives first appear or up to a few hours later Not a Substitute for Epinephrine. If your doctor has prescribed an epinephrine injector for “anaphylaxis” or severe allergy symptoms that could occur with your hives, never use this product as a substitute for the epinephrine injector. If you have been prescribed an epinephrine injector, you should carry it with you at all times.
Does Fexofenadine interact with other medications or foods?
Fexofenadine has 0 documented drug interaction(s) and 0 food interaction(s) in clinical databases. Always provide your complete medication list to your clinician.
This information is educational — not medical advice.
This page is provided for general educational purposes and summarizes publicly available data from sources such as the U.S. Food & Drug Administration. It is not a substitute for the judgment of a licensed clinician and should not be used to start, stop, or change any medication. It may be incomplete or out of date, and individual circumstances vary. Always talk with your prescriber or pharmacist about your specific medications and health conditions. If you think you may have a medical emergency, call 911.