Information about Fexofenadine

Fexofenadine Uses

Fexofenadine is used in the treatment of allergic conditions.

How Fexofenadine works

Fexofenadine is an antihistaminic medication. It treats allergy symptoms such as itching, swelling, and rashes by blocking the effects of a chemical messenger (histamine) in the body.

Common side effects of Fexofenadine

Headache, Drowsiness, Nausea, Dizziness
Written By
PhD (Pharmacology), PGDPRA
Reviewed By
MD (Pharmacology), MBBS
Last updated:
08 May 2020 | 06:53 AM (UTC)
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Available Medicine for Fexofenadine

FexyLupin Ltd
113 to ₹1983 variant(s)
HistakindMankind Pharma Ltd
70 to ₹1213 variant(s)
HhfexoHegde and Hegde Pharmaceutical LLP
99 to ₹1452 variant(s)
FexovaIpca Laboratories Ltd
140 to ₹1962 variant(s)
AllerfexTorrent Pharmaceuticals Ltd
117 to ₹1412 variant(s)
FexidineInd Swift Laboratories Ltd
108 to ₹1813 variant(s)
DelpodineDelcure Life Sciences
30 to ₹1464 variant(s)
FX 24Hetero Drugs Ltd
75 to ₹993 variant(s)
FexolifeDr. Johns Laboratories Pvt Ltd
137 to ₹1592 variant(s)
RexhistRowan Bioceuticals Pvt Ltd
1141 variant(s)

Expert advice for Fexofenadine

  • Fexofenadine is an antihistaminic medication. It treats allergy symptoms such as itching, swelling, and rashes by blocking the effects of a chemical messenger (histamine) in the body.
  • It is less likely to make you feel sleepy than some other similar medicines.
  • Do not take it with any fruit juices (such as apple, orange, or grapefruit) as they might make the drug less effective.
  • It may cause nausea. Stick to simple meals, and do not eat rich or spicy food.
  • Avoid using antacids 30 minutes before or after taking this medicine. It can make it harder for your body to absorb this medication.

Frequently asked questions for Fexofenadine


Q. Can Fexofenadine make you sleepy?

Yes, drowsiness is a common side effect of this medicine. However, it does not affect everyone. But in case the drowsiness starts hampering your daily life, consult your doctor who might suggest another anti-allergic medicine that does not cause sleepiness.

Q. Can you overdose on Fexofenadine?

No, never take an overdose of any medicine. Overdose of Fexofenadine may cause dizziness, drowsiness, fatigue, and dry mouth. If you accidentally take more than the recommended dose of Fexofenadine, seek emergency medical service in a nearby hospital or contact your doctor immediately.

Q. How quickly does Fexofenadine work?

Fexofenadine starts working within an hour of taking it. The maximum benefit of this medicine is seen within 6 hours and the effect lasts for 24 hours.

Q. Does Fexofenadine relieve symptoms of outdoor and indoor allergies?

Yes, Fexofenadine relieves the symptoms of upper respiratory allergies or hay fever which can be caused by outdoor and indoor allergens. It relieves the symptoms of itchy or watery eyes, runny nose, and sneezing, or itching of the nose or throat.

Q. How to cope with dizziness caused by Fexofenadine?

If you feel dizzy while taking Fexofenadine, lie down for some time and then get up slowly. Moving slowly and cautiously can also help cope up with dizziness. Avoid coffee, cigarettes, alcohol, and recreational drugs. If dizziness persists or worsens, consult your doctor.

Q. Can I take antacids while taking Fexofenadine?

Some antacids contain aluminum and magnesium. Such antacids may decrease the absorption of Fexofenadine and lower its levels, thereby interfering with the working of this medicine. It is recommended that you keep a gap of 2 hours between the two medicines.

Q. How should I take Fexofenadine?

Fexofenadine should be taken exactly as prescribed by your doctor. Swallow the tablets whole with water, and do not chew or crush it. Usually, it is advised to take the tablet before meals.

Q. Is there any food or drink that I need to avoid while taking Fexofenadine?

Avoid drinking grape juice, orange juice, and apple juice while taking Fexofenadine. These might make you more likely to have side effects.

Q. Can Fexofenadine cause heart problems?

People who are already suffering from heart disease should be careful while taking Fexofenadine. Inform your doctor about your heart problem, as this medicine may cause fast or irregular heartbeat and palpitations.


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