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Fexofenadine

Antihistamine

Uses of Fexofenadine

  • Fexofenadine relieves allergic rhinitis symptoms such as sneezing, runny nose, congestion, stuffiness, and watery eyes. It belongs to the group of antihistamines.

Side effects of Fexofenadine

  • Headache
  • Dizziness
  • Nausea and vomiting 
  • Diarrhoea
  • Fever

How Fexofenadine works

  • Fexofenadine is an antihistamine. When you come into contact with allergens like pollen or pet dander, your body releases a substance called histamine, which causes allergy symptoms like sneezing and runny nose. Fexofenadine blocks the histamine receptors in your body, preventing histamine from binding to them.

Certified content

Written By

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Amit SharmaClinical Health & Medical Writer| 4 years

B. Pharm

Reviewed By

Amatul Ameen
Amatul Ameen Clinical Health & Medical Writer| 13 years

B. Pharm, MSc.

Expert Advice

Dosage Forms Available

  • Fexofenadine is available in the form of tablets and capsules to be taken orally.

Age and Dose Restrictions

  • This medicine is meant for adults and children above six years of age.

Contraindications

  • The medication is not recommended in patients with a known allergy to Fexofenadine.

Other Medications to Avoid

  • Fexofenadine interacts with various medications, including midodrine, used for low blood pressure, and ketoconazole, prescribed for fungal infections. It may also interact with antibiotics like erythromycin and rifampicin, as well as HIV treatments such as ritonavir and lopinavir. Additionally, interactions can occur with theophylline, used for respiratory conditions, pseudoephedrine, a decongestant, and indigestion remedies containing aluminium or magnesium.

Overdose and Missed Dose

  • An overdose of this medication may cause symptoms like stomach pain, tiredness, thirst, headache, vomiting, dry mouth, dizziness, and hyperactivity. If you observe these symptoms, inform your doctor and follow the advice accordingly.
  • If you forget to take this medicine, take it as soon as you remember. But avoid repeating the dose.

Management of Side Effects

  • Most side effects are temporary and generally harmless and resolve when discontinuing this medicine. However, if you experience any severe side effects or worsening of any of the symptoms, please consult your doctor.

Use in Driving and Operating Machinery

  • This medication may impair your ability to drive and operate heavy machinery. Avoid such activities.

Use in Pregnancy and Lactation

  • Fexofenadine is not recommended for use in breastfeeding unless recommended by your doctor. It is recommended to be cautious while taking this medication during pregnancy.

Caution in Other Conditions

  • Patients with a history of heart problems and epilepsy (fits) should be cautious.
  • Avoid alcohol when taking Fexofenadine.

Special Dietary and Lifestyle Recommendations

  • Staying hydrated is essential for those with a cough or cold. Consuming fluids at room temperature may help relieve coughing, sneezing, and a runny nose.
  • Managing stress is crucial, as it can weaken the immune system and increase the risk of illness. Engaging in activities like regular exercise, meditation, deep breathing, and progressive muscle relaxation can help reduce stress.
  • To maintain overall health and immunity, aim for 7-9 hours of sleep each night.
  • Avoid exposure to allergens such as pollen, dust, or any food items that trigger allergic reactions.
  • Practice personal hygiene and ensure a clean environment to promote overall well-being.

Frequently asked questions

Fexofenadine typically starts working within one to three hours after taking a dose, with peak effects occurring in about two to three hours.

Avoid consuming fruit juice, as they may reduce its effectiveness. Do not take it with antacids containing aluminium or magnesium within two hours of the dose.

If Fexofenadine is prescribed for chronic conditions, consult your doctor before discontinuing it.

Patients with kidney problems may require a lower dose, as this medicine is eliminated through the kidneys. It is generally safe for liver patients, but medical advice is recommended before use.

There is no evidence to suggest that Fexofenadine negatively affects fertility in men or women. However, if planning pregnancy, consult your doctor for guidance.

Terms & Conditions


List of Medicines for Fexofenadine

Histafree 120 Tablet 10
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Air 120 Tablet 10
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Air 180 Tablet 10
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Allegra 120mg Tablet 10
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Odifex 120 Tablet 10
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Allegra Raspberry Vanilla Flavour Suspension 100ml
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Odifex 180 Tablet 10
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