Fexofenadine Hcl
Also sold as Fexofenadine HCL, Childrens Allergy Relief, Allergy Relief
From 6 official FDA drug labels · RxNorm 997420
What it is used for
These are the uses the FDA has approved for this label. Using it for anything else is “off-label”: ask your prescriber why.
Uses reduces hives and relieves itching due to hives (urticaria). This product will not prevent hives or an allergic skin reaction from occurring.
How to take it
Directions adults and children 12 years of age and over: take one 180 mg tablet with water every once a day; do not take more than 1 tablet in 24 hours children under 12 years of age: do not use adults 65 years of age and older: ask a doctor consumers with kidney disease: ask a doctor
Do not take it if
Do not use to prevent hives from any known cause such as: foods insect stings medicines latex or rubber gloves because this product will not stop hives from occurring. Avoiding the cause of your hives is the only way to prevent them. Hives can sometimes be serious. If you do not know the cause of your hives, see your doctor for a medical exam. Your doctor may be able to help you find a cause. if you have ever had an allergic reaction to this product or any of its ingredients
Ask a doctor or pharmacist before using it if
Ask a doctor before use if you have kidney disease. Your doctor should determine if you need a different dose. hives that are an unusual color, look bruised or blistered hives that do not itch
Serious warnings and precautions
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.
When using this product
When using this product do not take more than directed do not take at the same time as aluminum or magnesium antacids do not take with fruit juices (see Directions)
Stop using it and ask a doctor if
Stop use and ask a doctor if an allergic reaction to this product occurs. Seek medical help right away. symptoms do not improve after 3 days of treatment the hives have lasted more than 6 weeks
If you are pregnant or breastfeeding
If pregnant or breast-feeding, ask a health professional before use.
Keep out of reach of children
Keep out of reach of children In case of overdose, get medical help or contact a Poison Control Center right away.
Forms and strengths available
From RxNorm. Which forms and strengths are actually stocked varies by pharmacy and country.
Reactions people have reported
These are counts from 8 voluntary reports to the FDA. They show what has been reported — they are not how common a side effect is, and they do not prove the medicine caused it.
Recalls
Research & studies
Recent higher-quality studies about Fexofenadine Hcl, from PubMed. We link to the source — titles only. This is not medical advice.
Similar medicines
Fexofenadine Hcl belongs to the Other antihistamines for systemic use class. Other medicines in it:
Questions to ask your doctor or pharmacist
- Is this the right medicine for my condition, and how long should I take it?
- What side effects should I watch for, and which ones need urgent attention?
- Does this interact with my other medicines, supplements, or alcohol?
- What should I do if I miss a dose or take too much?
Why you can trust this
Everything above comes from official FDA drug labels (openFDA), not written by us. Here are the exact labels used.
- FDA labelCVS· version 5· published Dec 19, 2025· retrieved Oct 19, 2026· View this label on DailyMed
- FDA labelCVS· version 5· published Dec 19, 2025· retrieved Oct 19, 2026· View this label on DailyMed
- FDA labelPLD Acquisitions LLC DBA Avma Pharma Solutions· version 6· published Feb 13, 2023· retrieved Oct 19, 2026· View this label on DailyMed
- FDA labelPD-Rx Pharmaceuticals, Inc.· version 9· published Oct 8, 2025· retrieved Oct 19, 2026· View this label on DailyMed
- FDA labelAkron Pharma Inc.· version 4· published Aug 20, 2024· retrieved Oct 19, 2026· View this label on DailyMed
- FDA labelPLD Acquisitions LLC DBA Avma Pharma Solutions· version 3· published Feb 9, 2023· retrieved Oct 19, 2026· View this label on DailyMed