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What is Allegra 120?

Allegra 120 Tablet is used for Allergic skin conditions, Allergic rhinitis and other conditions. Allegra 120 Tablet may also be used for purposes not listed in this medication guide.
Allegra 120 Tablet contains Fexofenadine as an active ingredient.
Allegra 120 Tablet works by inhibiting the release of histamine.
Sanofi Aventis manufactures Allegra 120 Tablet.
Detailed information related to Allegra 120 Tablet's uses, composition, dosage, side effects and reviews is listed below.

Allegra 120 Tablet Uses

Allegra 120 Tablet is used for the treatment, control, prevention, & improvement of the following diseases, conditions and symptoms:
References: 1
Learn more: Uses

Allegra 120 Tablet Working, Mechanism of Action and Pharmacology

Allegra 120 Tablet improves the patient's condition by performing the following functions:
References: 1

Allegra 120 Tablet - Composition and Active Ingredients

Allegra 120 Tablet is composed of the following active ingredients (salts)
Please note that this medicine may be available in various strengths for each active ingredient listed above.

Allegra 120 Tablet - Side-effects

The following is a list of possible side-effects that may occur from all constituting ingredients of Allegra 120 Tablet. This is not a comprehensive list. These side-effects are possible, but do not always occur. Some of the side-effects may be rare but serious. Consult your doctor if you observe any of the following side-effects, especially if they do not go away.
If you notice other side-effects not listed above, contact your doctor for medical advice. You may also report side-effects to your local food and drug administration authority.
References: 1
Learn more: Side-effects

Allegra 120 Tablet - Precautions & How to Use

Before using Allegra 120 Tablet, inform your doctor about your current list of medications, over the counter products (e.g. vitamins, herbal supplements, etc.), allergies, pre-existing diseases, and current health conditions (e.g. pregnancy, upcoming surgery, etc.). Some health conditions may make you more susceptible to the side-effects of the drug. Take as directed by your doctor or follow the direction printed on the product insert. Dosage is based on your condition. Tell your doctor if your condition persists or worsens. Important counseling points are listed below.
References: 1, 1

Allegra 120 Tablet - Drug Interactions

If you use other drugs or over the counter products at the same time, the effects of Allegra 120 Tablet may change. This may increase your risk for side-effects or cause your drug not to work properly. Tell your doctor about all the drugs, vitamins, and herbal supplements you are using, so that you doctor can help you prevent or manage drug interactions. Allegra 120 Tablet may interact with the following drugs and products:
References: 1
Learn more: Interactions

Allegra 120 Tablet - Contraindications

Hypersensitivity to Allegra 120 Tablet is a contraindication. In addition, Allegra 120 Tablet should not be used if you have the following conditions:
References: 1
Learn more: Contraindications

Where to Buy Allegra 120 Tablet

Click here to find nearby pharmacies/medical stores where you can buy Allegra 120 Tablet.

Allegra 120 Tablet - Frequently asked Questions

  • Is Allegra 120 Tablet safe to consume or apply when pregnant?
    References: 1
  • Is Allegra 120 Tablet safe while breastfeeding?
    References: 1
  • Can Allegra 120 Tablet be used for allergic skin conditions and allergic rhinitis?
    Yes, allergic skin conditions and allergic rhinitis are among the most common reported uses for Allegra 120 Tablet. Please do not use Allegra 120 Tablet for allergic skin conditions and allergic rhinitis without consulting first with your doctor. Click here and view survey results to find out what other patients report as common uses for Allegra 120 Tablet.
  • How long do I need to use Allegra 120 Tablet before I see improvement of my conditions? website users have reported 1 week and same day as the most common time it takes before they saw improvements in their conditions. These times may not be reflective of what you may experience or how you should use this medicine. Please consult with your doctor to check how long do you need to use Allegra 120 Tablet. Click here and view survey results to find out what other patients report as time for effectiveness for Allegra 120 Tablet.
  • At what frequency do I need to use Allegra 120 Tablet? website users have reported once a day and twice a day as the most common frequency of using Allegra 120 Tablet. Please follow your doctor's advice on how often you need to Allegra 120 Tablet. Click here and view survey results to find out what other patients report as frequency of using Allegra 120 Tablet.
  • Should I consume Allegra 120 Tablet empty stomach, before food or after food? website users have most commonly reported consuming Allegra 120 Tablet after food. However, this may not be reflective of how you should consume this medicine. Please follow your doctor's advice on how you should use this medicine. Click here and view survey results to find out what other patients report as timing of using Allegra 120 Tablet.
  • Is it safe to drive or operate heavy machinery when consuming?
    If you experience drowsiness, dizziness, hypotension or a headache as side-effects when using Allegra 120 Tablet medicine then it may not be safe to drive a vehicle or operate heavy machinery. One should not drive a vehicle if using the medicine makes you drowsy, dizzy or lowers your blood-pressure extensively. Pharmacists also advise patients not to drink alcohol with medicines as alcohol intensifies drowsiness side-effects. Please check for these effects on your body when using Allegra 120 Tablet. Always consult with your doctor for recommendations specific to your body and health conditions.
  • Is this medicine or product addictive or habit forming?
    Most medicines don't come with a potential for addiction or abuse. Usually, government's categorizes medicines that can be addictive as controlled substances. Examples include schedule H or X in India and schedule II-V in the US. Please consult the product package to make sure that the medicine does not belong to such special categorizations of medicines. Lastly, do not self-medicate and increase your body's dependence to medicines without the advice of a doctor.
  • Can it be stopped immediately or do I have to slowly ween off consumption?
    Some medicines need to be tapered or cannot be stopped immediately because of rebound effects. Please consult with your doctor for recommendations specific to your body, health and other medications that you may be using.

Other important Information on Allegra 120 Tablet

Missing a dose

In case you miss a dose, use it as soon as you notice. If it is close to the time of your next dose, skip the missed dose and resume your dosing schedule. Do not use extra dose to make up for a missed dose. If you are regularly missing doses, consider setting an alarm or asking a family member to remind you. Please consult your doctor to discuss changes in your dosing schedule or a new schedule to make up for missed doses, if you have missed too many doses recently.
References: 2, 3, 4, 5

Overdosage of Allegra 120 Tablet

  • Do not use more than prescribed dose. Taking more medication will not improve your symptoms; rather they may cause poisoning or serious side-effects. If you suspect that you or anyone else who may have overdosed of Allegra 120 Tablet, please go to the emergency department of the closest hospital or nursing home. Bring a medicine box, container, or label with you to help doctors with necessary information.
  • Do not give your medicines to other people even if you know that they have the same condition or it seems that they may have similar conditions. This may lead to overdosage.
  • Please consult your physician or pharmacist or product package for more information.
References: 6, 7, 8

Storage of Allegra 120 Tablet

  • Store medicines at room temperature, away from heat and direct light. Do not freeze medicines unless required by package insert. Keep medicines away from children and pets.
  • Do not flush medications down the toilet or pour them into drainage unless instructed to do so. Medication discarded in this manner may contaminate the environment. Please consult your pharmacist or doctor for more details on how to safely discard Allegra 120 Tablet.
References: 9, 10, 11, 12

Expired Allegra 120 Tablet

  • Taking a single dose of expired Allegra 120 Tablet is unlikely to produce an adverse event. However, please discuss with your primary health provider or pharmacist for proper advice or if you feel unwell or sick. Expired drug may become ineffective in treating your prescribed conditions. To be on the safe side, it is important not to use expired drug. If you have a chronic illness that requires taking medicine constantly such as heart condition, seizures, and life-threatening allergies, you are much safer keeping in touch with your primary health care provider so that you can have a fresh supply of unexpired medications.
References: 13, 14

Dosage Information

Please consult your physician or pharmacist or refer to product package.

Questions - Allegra 120 Tablet

No questions have been asked.

News and Updates

Latest news and updates related to Allegra 120 Tablet. Subscribe to get latest posts via email or subscribe to a RSS feed.
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Allegra 120 Tablet - Packages and Strengths

Allegra 120 Tablet is available in the following packages and strengths
Allegra 120 Tablet - Packages: 10 Tablet

Allegra 120 Tablet - Manufacturers

The medicine is manufactured by the following companies

Allegra 120 Tablet - Demographic Information


  1. Dailymed LABEL: ALLEGRA- fexofenadine hydrochloride tablet, film coated (Accessed on 1/3/17)
  2. - Accessed: July 14, 2016.
  3. - Accessed: July 3, 2016.
  4. Cancer.Net (2014). - Accessed: July 3, 2016.
  5. Schachter, S.C., Shafer, P. O. &; Sirven, J.I. (2013). - Accessed: May 28, 2016.
  6. National Institute of Drug Abuse (2010). - Accessed: July 21, 2016.
  7. eMedicinehealth (2016). - Accessed: July 21, 2016.
  8. Centers for Disease Control and Prevention (2010). - Accessed: July 21, 2016.
  9. Centers for Disease Control and Prevention. December 12, 2011. - Accessed: June 10, 2016.
  10. The Center for Improving Medication Management and the National Council on Patient Information and Education. - Accessed: June 10, 2016.
  11. U.S. Food and Drug Administration. December 24, 2013. - Accessed: June 10, 2016.
  12. World Health Organization: - Accessed: July 1, 2016.
  13. Lyon, R. C., Taylor, J. S., Porter, D. A., et al. (2006) Stability profiles of drug products extended beyond labeled expiration dates. Journal of Pharmaceutical Sciences; 95:1549-60 - Accessed: July 3, 2016.
  14. Harvard Medical School (2016). - Accessed: May 1, 2016.

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APA Style Citation

  • Allegra 120 Tablet - Uses, Side-effects, Reviews, and Precautions - Sanofi Aventis - - India. (n.d.). Retrieved January 18, 2018, from

MLA Style Citation

  • "Allegra 120 Tablet - Uses, Side-effects, Reviews, and Precautions - Sanofi Aventis - - India" N.p., n.d. Web. 18 Jan. 2018.

Chicago Style Citation

  • "Allegra 120 Tablet - Uses, Side-effects, Reviews, and Precautions - Sanofi Aventis - - India" Accessed January 18, 2018.

Last updated date

This page was last updated on 1/17/2018.
This page provides information for Allegra 120 Tablet in English.
Read Reviews » Allegra 120 Tablet

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