Allegra 120 MG Tablet

Manufacturer: Sanofi India Ltd
Medicine composition: Fexofenadine
Prescription vs OTC: Prescription by Doctor not required
Last Updated: November 02, 2022

Allegra 120 MG Tablet is used in the treatment of seasonal allergies-like itchy throat, itchy eyes, sneezing or runny nose. Itchy skin and hives are also treated with Allegra 120 MG Tablet. This medication is an antihistamine – It blocks a chemical substance in the body called histamine that is responsible for allergy-related symptoms in the body. It is advised to avoid Allegra 120 MG Tablet if you are allergic to any of its ingredients.

There are certain precautions that need to be adhered to before taking the medication. You need to inform your doctor of the following conditions before taking the medication – allergic to any medications, problems in the liver or kidney, pregnancy or plans to become pregnant and whether you are taking dietary supplements or using herbal products.

Consult with your physician before taking Allegra 120 MG Tablet with other medications. You also need to follow certain guidelines while taking this medication – taking the medication orally with water, avoiding drinking fruit juice at the time of consumption, and avoiding taking antioxidants. Do not overdose if you have missed a dose.

Allegra 120 MG Tablet can result in dizziness if consumed with alcohol. It can also cause disturbances while undergoing skin allergy tests. Elderly people are more susceptible to its effect, so exercise caution. Consult your doctor if you are pregnant or breastfeeding before taking this medication.

Some common side effects of Allegra 120 MG Tablet are stomach upset, dizziness and headache. You may also experience serious side effects like rashes, swelling and vomiting. It is advisable to consult a doctor if you experience these side effects.

Limited information from overdose describes dizziness, drowsiness, and dry mouth. Not effectively removed by hemodialysis. Doses of up to 690 mg twice daily were administered for 1 month without significant adverse effects. Treatment is supportive.

Take as directed; do not exceed recommended dose. Store at room temperature in a dry place. Avoid the use of other depressants, alcohol, or sleep-inducing medications unless approved by the prescriber.

Allegra 120 MG Tablet is used to treat the following problems:

  • Seasonal Allergic Rhinitis

  • Urticaria

  • Hypersensitivity

Side effects of Allegra 120 MG Tablet are as follows:

  • Vomiting

  • Headache

  • Cough

  • Diarrhoea

  • Painful Menstruation

  • Pain In The Legs

  • Redness Of Skin

  • Swelling Of Face, Lips, Eyelids, Tongue, Hands And Feet

  • Difficulty In Breathing

  • Difficulty In Swallowing

  • How long is the duration of effect?

    The duration of the effect of Allegra 120 mg Tablet lasts for 12 hours to 14 hours.

  • What is the onset of action?

    Allegra 120 mg Tablet reaches its peak of action within 1 to 2 hours of consumption.

  • Are there any pregnancy warnings?

    Use of Allegra 120 mg Tablet for pregnant women must be after taking the doctor’s advice and under caution.

  • Is it habit forming?

    Allegra 120 mg Tablet is not habit forming.

  • Are there any breast-feeding warnings?

    Breast feeding while on Allegra 120 mg Tablet must only be done with the doctor’s instruction.

  • Is It safe with alcohol?

    Allegra 120 mg Tablet, when consumed with alcohol can cause dizziness.

  • Is it safe to drive while on this medicine?

    It is safe to drive while on Allegra 120 mg Tablet.

  • Does this affect kidney function?

    Allegra 120 mg Tablet can affect the functioning of kidneys if administered to patients with a history of kidney disorders.

  • Does this affect liver function?

    Limited data is available regarding its use in patients with liver disease. Kindly consult your doctor before taking this medicine.

Below is the list of medicines, which have the same composition, strength and form as Allegra 120 MG Tablet , and hence can be used as its substitute.

  • Are there any overdose instructions?

    Overdose of Allegra 120 mg Tablet can cause dizziness, restlessness, and confusion. It required the immediate attention of a qualified medical professional.

  • Are there any missed dose instructions?

    The missed dose of Allegra 120 mg Tablet must be made up for unless it is almost time for the next dose.

Allegra 120 MG Tablet selectively inhibits the peripheral H1 receptors thereby reducing the histamine levels in the body. It specifically acts on allergies caused in the stomach and intestine, blood vessels and airways leading to the lung.

Whenever you take more than one medicine, or mix it with certain foods or beverages, you"re at risk of a drug interaction.

  • Interaction with Alcohol

    Allegra 120 mg Tablet interacts with alcohol to heighten dizziness.

  • Interaction with Lab Test

    Skin allergy test

    Report the use of this medicine before taking a skin allergy test. This medicine can interfere with the results of this test and hence use should be discontinued at least 2-4 days before.
  • Interaction with Medicine

    • Allegra 120 mg Tablet interacts with Erythromycin, Ketoconazole, Rifampicin and Antacids.
    • In two separate studies, Allegra 120 MG Tablet twice daily (high doses) was coadministered with standard doses of erythromycin or ketoconazole to healthy volunteers and although fexofenadine peak plasma concentrations increased, no differences in adverse events or QTc intervals were observed. It remains unknown if a similar interaction occurs with other azole antifungal agents (eg, itraconazole) or other macrolide antibiotics (eg, clarithromycin).
  • Interaction with Disease

    Allegra 120 mg Tablet should not be used in patients with kidney impairment. Safety and effectiveness in pediatric patients <12 years of age has not been established. Allegra 120 MG Tablet is classified in FDA pregnancy category C and no data is yet available evaluating its use in breast-feeding women.

  • Interaction with Food

    Do not consume large quantities of juices of fruits like grapefruit, orange, and apple while taking this medicine. These food items should be avoided while taking this medicine.

Ques: What is Allegra 120 MG Tablet?

Ans: Allegra 120 MG Tablet belongs to a medical group that consists of fexofenadine as an active ingredient present. It is used for the treatment of Urticaria and Rhinitis. Allegra 120 mg tablet is prescribed to the patients having skin allergies and itching. It also prevents from conditions like skin rashes, bumps, and hives.

Ques: What is the use of Allegra 120 MG Tablet?

Ans: Allegra 120 MG Tablet is used for the treatment of allergic symptoms. It is also used in conditions like sneezing and skin itching. It helps to improve Urticaria. This medicine is prescribed to the patients having rhinitis, hives and skin rashes.

Ques: What are the side effects of Allegra 120 MG Tablet?

Ans: Allegra 120 MG Tablet has many common side effects such as Cough and Diarrhea. There are some serious side effects of this medicine like swollen lips, eyelids, feet and hands. In the case of patients, having any of the side effects or issues like breathing issues and difficulty in swallowing. It is advised to stop the consumption of Allegra 120 MG Tablet and contact to doctor as soon as possible.

Ques: For what treatment Allegra 120 MG Tablet used for?

Ans: Allegra 120 MG Tablet is used to treat Rhinitis and seasonal allergies. It is also used to control Running Nose. It helps to improve Urticaria.

Ques: How long do I need to use Allegra 120 MG Tablet before I see improvement in my condition?

Ans: In most of the cases, the average time taken by this medication to reach its peak effect is around 3 days to 1 week, before noticing an improvement in the condition. But the same duration is not mandatory for everyone and so, it is not a standard time period for this medication's action. Please consult your doctor, for the time period you need to consume this medication.

Ques: At what frequency do I need to use Allegra 120 MG Tablet?

Ans: Allegra 120 MG Tablet is generally used once or twice a day, as the time interval to which this medication has an impact, is around 12 to 24 hours, but it is not the standard frequency, for using this medication. It is advised to consult your doctor before the usage, as the frequency also depends on the patient's condition.

Ques: Should I use Allegra 120 MG Tablet empty stomach, before food or after food?

Ans: Allegra 120 MG Tablet is advised to be consumed orally. The salts involved in this medication, work properly on an empty stomach. It is advised to consume this medication, 1 hour before having food and at least 2 hours after having food. Taking it with food may upset your stomach. Please consult the doctor before use.

Ques: What are the instructions for the storage and disposal of Allegra 120 MG Tablet?

Ans: Allegra 120 MG Tablet contains salts which are suitable to store only at room temperature, as keeping this medication above or below that, can cause an inadequate effect. Protect it from moisture and light. Keep this medication away from the reach of children. It is advised to dispose of the expired or unused medication, for avoiding its inadequate effect.

Ques: Can Allegra 120 MG Tablet make you sleepy?

Ans: Yes, this drug can make you feel sleepy. Sleepiness is a common side effect of this medicine.

Ques: Can you overdose on Allegra 120 MG Tablet?

Ans: Do not take an overdose of this drug as this can cause adverse reactions and may increase the risk of side effects like dizziness, drowsiness, fatigue, and dry mouth.

Ques: How quickly does Allegra 120 MG Tablet work?

Ans: Allegra 120 MG Tablet starts working within 1 hour of consuming it. The peak benefit of this drug is observed within 6 hours.

Ques: Does Allegra 120 MG Tablet relieve symptoms of outdoor and indoor allergies?

Ans: Yes, this medication can help relieve symptoms that may be caused by outdoor and indoor allergens such as upper respiratory allergies, hay fever, watery eyes, runny nose, and sneezing, or itching of the nose or throat.

Ques: How to cope with dizziness caused by Allegra 120 MG Tablet?

Ans: Take some rest after taking this medicine if you feel dizzy or sleepy. Do not use heavy machinery or drive and move very slowly. Exercise caution and if there is extreme dizziness, then consult a doctor as soon as possible.

Ques: Can I take antacids while taking Allegra 120 MG Tablet?

Ans: This drug should not be used in combination with antacids as the interaction between them can result in a decreased absorption of Allegra 120 MG Tablet.

Ques: How should I take Allegra 120 MG Tablet?

Ans: This drug should be taken in dose and duration as recommended by the doctor. Do not take an overdose as this can affect your health adversely.

Ques: Is there any food or drink that I need to avoid while taking Allegra 120 MG Tablet?

Ans: Do not consume juices like grapefruit juice, orange juice and apple juice if you are on the course of medication with Allegra 120 MG Tablet.

Ques: Can Allegra 120 MG Tablet cause heart problems?

Ans: Those who suffer from heart disorders should exercise caution and must look out for some other alternative of this medicine.
Disclaimer: The information produced here is best of our knowledge and experience and we have tried our best to make it as accurate and up-to-date as possible, but we would like to request that it should not be treated as a substitute for professional advice, diagnosis or treatment.

Lybrate is a medium to provide our audience with the common information on medicines and does not guarantee its accuracy or exhaustiveness. Even if there is no mention of a warning for any drug or combination, it never means that we are claiming that the drug or combination is safe for consumption without any proper consultation with an expert.

Lybrate does not take responsibility for any aspect of medicines or treatments. If you have any doubts about your medication, we strongly recommend you to see a doctor immediately.

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Content Details
Written By
PhD (Pharmacology) Pursuing, M.Pharma (Pharmacology), B.Pharma - Certificate in Nutrition and Child Care
Pharmacology
Reviewed By
MBA( CHA), MBBS, PGDMCH
General Physician
Table of Content
About Allegra 120 MG Tablet
What are the uses of Allegra 120 MG Tablet
What are the contraindications of Allegra 120 MG Tablet ?
What are the side effects of Allegra 120 MG Tablet ?
Key highlights of Allegra 120 MG Tablet
What are the substitutes for Allegra 120 MG Tablet ?
What are the dosage instructions?
How does this medication work?
What are the interactions of Allegra 120 MG Tablet ?
FAQs about Allegra 120 MG Tablet