Fexofenadine
Perennial Allergic Rhinitis, Urticaria
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Drug Status
Government Approvals
US(FDA), UK(BNF)
WHO Essential Medicine
NO
Known Teratogen
NO
Pharmaceutical Class
Histamine-1 Receptor Antagonist
Controlled Drug Substance
NO
Fexofenadine
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Click HereSummary
Fexofenadine is used to relieve allergy symptoms associated with seasonal allergic rhinitis like runny nose, sneezing and itchy eyes. It is also used to treat chronic urticaria, which includes symptoms like hives and itching.
Fexofenadine works by blocking the effects of histamine, a substance in the body that causes allergy symptoms. By preventing histamine from binding to its receptors, it reduces symptoms like sneezing, runny nose and itchy eyes.
For adults and children 12 years and older, the usual dose is 180 mg once daily or 60 mg twice daily. For children aged 2 to under 12 years, the dose is 5 mL of the suspension every 12 hours. Always follow your doctor's advice for the correct dosage.
Common side effects of Fexofenadine include headache, dizziness, diarrhea, and fatigue. Serious side effects, though rare, include difficulty breathing, swelling and severe allergic reactions.
Do not use Fexofenadine if you have had an allergic reaction to it or its ingredients. Consult a doctor if you have kidney disease, are pregnant or breastfeeding. Avoid taking it with fruit juices or antacids containing aluminum or magnesium.
Indications and Purpose
What is Fexofenadine used for?
Fexofenadine is indicated for the relief of allergy symptoms associated with seasonal allergic rhinitis, such as runny nose, sneezing, and itchy eyes. It is also used to treat chronic urticaria, which includes symptoms like hives and itching.
How does Fexofenadine work?
Fexofenadine works by blocking the effects of histamine, a substance in the body that causes allergy symptoms. By preventing histamine from binding to its receptors, it reduces symptoms like sneezing, runny nose, and itchy eyes.
Is Fexofenadine effective?
Fexofenadine is an effective antihistamine that relieves allergy symptoms by blocking histamine, a substance in the body that causes allergic reactions. Clinical studies have shown it to be effective in reducing symptoms like runny nose, sneezing, and itchy eyes.
How does one know if Fexofenadine is working?
The benefit of Fexofenadine is evaluated by its effectiveness in relieving allergy symptoms like runny nose, sneezing, and itchy eyes. If symptoms persist or worsen, consult your doctor for further evaluation.
Directions for Use
What is the usual dose of Fexofenadine?
For adults and children 12 years and older, the usual dose is 180 mg once daily or 60 mg twice daily. For children aged 2 to under 12 years, the dose is 5 mL of the suspension every 12 hours. Always follow your doctor's advice for the correct dosage.
How do I take Fexofenadine?
Take Fexofenadine with water, and avoid taking it with fruit juices like orange, grapefruit, or apple juice, as they can reduce its effectiveness. It can be taken with or without food, but follow your doctor's instructions for best results.
For how long do I take Fexofenadine?
Fexofenadine is typically used as long as allergy symptoms persist. It is important to continue taking it even if you feel well, as it controls symptoms but does not cure the condition. Always follow your doctor's guidance on the duration of use.
How long does it take for Fexofenadine to start working?
Fexofenadine typically starts working within one hour of taking it. It reaches its maximum effect in about 6 hours and provides relief for up to 24 hours.
How should I store Fexofenadine?
Store Fexofenadine in its original container, tightly closed, at room temperature, away from excess heat and moisture. Keep it out of reach of children and do not store it in the bathroom.
Warnings and Precautions
Who should avoid taking Fexofenadine?
Do not use Fexofenadine if you have had an allergic reaction to it or its ingredients. Consult a doctor if you have kidney disease, are pregnant, or breastfeeding. Avoid taking it with fruit juices or antacids containing aluminum or magnesium.
Can I take Fexofenadine with other prescription drugs?
Fexofenadine should not be taken with antacids containing aluminum or magnesium, as they can reduce its effectiveness. Consult your doctor about any other medications you are taking to avoid potential interactions.
Can I take Fexofenadine with vitamins or supplements?
From all available and reliable information, there is no confirmed data on this. Please consult a doctor for personalized advice.
Can Fexofenadine be taken safely while pregnant?
There is limited data on the use of Fexofenadine during pregnancy. It should only be used if clearly necessary and prescribed by a doctor. Consult your healthcare provider for personalized advice.
Can Fexofenadine be taken safely while breastfeeding?
Fexofenadine is not recommended for breastfeeding mothers, as it may pass into breast milk. Consult your doctor for alternative treatments if you are breastfeeding.
Is Fexofenadine safe for the elderly?
Elderly patients should consult their doctor before using Fexofenadine, as they may require a different dosage. There is limited data on its use in this age group, so caution is advised.
Is it safe to exercise while taking Fexofenadine?
Fexofenadine does not typically limit the ability to exercise. It is a non-sedating antihistamine, so it should not cause drowsiness or fatigue that would affect physical activity. If you experience unusual symptoms during exercise, consult your doctor.
Is it safe to drink alcohol while taking Fexofenadine?
From all available and reliable information, there is no confirmed data on this. Please consult a doctor for personalized advice.
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