How does fexofenadine work?
When you have an allergic reaction, your body releases histamine, which causes swelling, itching, and other symptoms. Fexofenadine blocks histamine receptors, stopping the reaction and providing relief from allergy symptoms.
What is fexofenadine used to treat?
Fexofenadine is commonly used for:
- Hay fever (seasonal allergic rhinitis)
- Hives (urticaria)
- Skin allergies and reactions
- Allergic reactions to insect bites or stings
Who can take fexofenadine?
Most adults and children over 6 years old can take fexofenadine for allergies. It’s often recommended for people who need a non-drowsy option.
Who might not be able to take fexofenadine?
Fexofenadine may not be suitable if you:
- Are allergic to fexofenadine or similar antihistamines
- Have kidney or liver problems
- Are pregnant or breastfeeding (check with your doctor first)
Can I take fexofenadine if I’m pregnant or breastfeeding?
Fexofenadine is not usually recommended during pregnancy unless advised by a doctor. If needed, your doctor may suggest an alternative antihistamine that is safer during pregnancy.
What if I miss a dose?
If you forget to take a dose, take it as soon as you remember. If it’s nearly time for your next dose, skip the missed one—don’t take two doses at once.
How effective is fexofenadine?
Fexofenadine starts working within an hour and provides relief for up to 24 hours, making it a reliable option for managing allergy symptoms.
What should I do if I take too much?
Taking too much fexofenadine may cause dizziness, dry mouth, or drowsiness. If you accidentally take too much, seek medical help if you feel unwell.
What dose of fexofenadine is usually taken?
The usual doses are:
- Hay fever: 120mg once daily
- Chronic hives: 180mg once daily
- Children (aged 6–11): 30mg twice daily
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What are the side effects of fexofenadine?
Most people tolerate fexofenadine well, but some may experience:
Serious side effects are rare but may include swelling of the face or difficulty breathing—seek medical help if this happens.
How should I take fexofenadine?
Fexofenadine tablets should be swallowed whole with water. Avoid taking them with fruit juice, as this can affect absorption.
When should fexofenadine be taken?
Fexofenadine is usually taken once a day, preferably before exposure to allergens (such as pollen). Taking it at the same time each day ensures continuous protection.
What are the brand names for fexofenadine?
Fexofenadine is available under the brand name Telfast in the UK.
Final thoughts
Fexofenadine is a fast and effective non-drowsy antihistamine that provides long-lasting relief from allergy symptoms. If you experience persistent allergies, it can help you go about your day with fewer interruptions. Always follow the dosage instructions and speak to a healthcare professional if you have any concerns.