Allegra 120 MG Tablet : Uses, Side Effects and Dosage

Manufactured by Sanofi Aventis Pvt. Ltd, Allegra 120 belongs to the antihistamine class of drugs prescribed for the treatment of symptoms of seasonal allergic conditions like itchy throat, itchy and watery eyes, runny or sneezy nose, skin allergies etc.

Nature of Allegra 120: Antihistamine
Uses of Allegra 120: Seasonal allergic reactions, rhinitis, Urticaria
Composition of Allegra 120: Fexofenadine (120mg/180mg)
Side effects of Allegra 120: Dizziness, Sneezing, Headache, Muscle and Joint Pain, Fatigue, Weakness, Diarrhea, Swelling of the limbs
Precautions of Allegra 120: Infants and patients having kidney related disorders
Allegra 120 MG Tablet

Allegra 120 mg Tablet Composition:

Allegra 120 tablets consist of the following active ingredient (salt):

  • Fexofenadine - 120 mg

Note- This medicine is available in varied strengths of the active component.

It helps in preventing the blood pressure from rising to dangerously high levels. It is made up of Bisoprolol. This chemical element is used to manage heart-related ailments and managing blood pressure measures in the body. Heart failure and chest pain arising from a lack of adequate blood flow to and from the heart. This medicine is available at pharmacies only by prescription.

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Allegra 120 mg Tablet Uses:

This anti-allergic drug is mainly prescribed for the management of seasonal as well as long-term allergic symptoms associated with touching or inhaling certain allergens like mold, plant pollen or pet dander, food or medication allergies listed below.

Allergies usually affect parts of the upper respiratory system like the throat, sinuses, nose etc.

  • Seasonal allergic rhinitis like watery eyes, sneezing and runny nose.
  • Chronic urticaria symptoms like itchy skin, rashes, bumps and hives.
  • Rhinorrhea
  • Postnasal discharge
  • Ocular pruritus
  • Nasal pruritus

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Allegra 120 mg Tablet Side Effects:

Other than the intended benefits of this drug, Allegra 120 may also cause some unpleasant side effects in some patients.

A few of these side effects are listed below:

  • A headache
  • Drowsiness
  • A cough and running nose
  • Diarrhea
  • Nausea
  • Vomiting
  • Blurred vision
  • Stomach discomfort
  • Dizziness
  • Upper respiratory tract infection
  • A backache
  • A sore throat
  • Rashes
  • Dry mouth
  • Painful periods in women
  • Arms and legs ache
  • Hives
  • Difficulty breathing
  • Swallowing difficulty
  • Inflammation of face, lips, tongue, eyelids, hands, and feet.

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Allegra 120 mg Tablet Dosage:

  • This medication should be taken only in the dosage and for the duration prescribed by a registered medical practitioner to avoid any risk associated with overdosage.
  • Allegra 120 tablets are suggested to be taken on an empty stomach. It should either be taken an hour before the meal or two hours after a meal.
  • This tablet should be swallowed whole with only water. Taking it with citrus fruit juices may cause stomach irritation. It is not advisable to crush, break or chew the tablet.
  • As this medicine induces drowsiness, it is best to take the tablet at bedtime.
  • In the case of a missed dose, it should be taken immediately as soon as possible. However, if it is already time for the next course, it is advisable to skip the missed dose to avoid overdose complications.
  • In case of an overdose, it is essential to immediately report the same to the prescribing doctor, especially on experiencing any side effects to seek medical treatment.

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How Allegra 120 mg Tablet works?

Fexofenadine, the main component in Allegra 120 tablet belongs to the antihistamine category of medication that treats allergic reactions like itching, inflammation, and rashes by blocking the production of chemical messengers known as histamines in the body.

Precautions and Warning Related to Allegra 120 mg Tablet:

  • It is not prescribed to be consumed by pregnant women unless it is unavoidable as animal studies have indicated adverse effects on the fetus. It is best to consult a doctor before use.
  • This drug is relatively safe for lactating women as it does not pass through breast milk in considerable quantity and thus cannot harm the feeding infant.
  • This medicine should not be used by patients who are allergic to any of its active components.
  • Allegra 120 should be used with utmost caution in patients with a history of any kidney, renal or liver ailments. The appropriate quantity for such patients generally varies from the course from other patients. It should be completely avoided in patients with severe kidney or liver damage/ailments.
  • It is best to avoid driving or operating machinery immediately after taking Allegra 120 as it may cause drowsiness in some patients.
  • It is advisable to avoid using antacids within 15 minutes of taking Allegra 120 as it is likely to disrupt the absorption of this medication.
  • It is essential to maintain a gap of at least a couple of hours between taking Allegra and any other indigestion relieving medicines.
  • It is vital for heart patients to inform the doctor before taking this drug as it may cause irregular or fast heartbeat, especially in the elderly.
  • Alcohol consumption should be avoided while taking Allegra 120 as it can potentially cause liver damage besides causing excessive drowsiness.
  • This medication should only be taken under strict medical supervision in children below 6 years and elderly patients.

Allegra 120 mg Tablet Substitutes:

The medicines below can be used in place of Allegra 120 as they have the same strength and composition:

  • Allerhin D plus 120 mg manufactured by the
  • Altiva 120 MG Tablet manufactured by the Ranbaxy Laboratories Ltd
  • Fexigra 120 MG Tablet manufactured by the Cipla Ltd
  • Nasivion Allergy 120 MG Tablet manufactured by the Merck Consumer Health Care Ltd
  • Histafree 120 MG Tablet manufactured by the Mankind Pharmaceuticals Ltd
  • Fegra 120 MG Tablet manufactured by the Comed Chemicals Pvt Ltd
  • Alert 120 MG Tablet manufactured by the Alkem Laboratories Ltd.
  • Fexofast 120 MG Tablet manufactured by the Micro Labs Ltd.
  • Histafree 120 MG Tablet manufactured by the Mankind Pharmaceuticals Ltd.
  • Histakind 120 MG Tablet manufactured by the Mankind Pharmaceuticals Ltd.
  • Rhinofex 120 MG Tablet manufactured by the Astra Zeneca Pharma India Ltd
  • Faxodas 120 mg manufactured by the Shreya Life Sciences Pvt. Ltd.

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Allegra 120 mg Tablet Interactions:

  • It is advised to keep a doctor informed about any herbal supplements, vitamins or any other drugs that are being consumed by the patient before commencing a dose of Allegra 120 as they may either alter the effects of this drug or increase the event of occurrence of a side effect.
  • It is also important to keep a doctor informed if the patient is trying to get pregnant or undergo any medical procedures like surgery before taking this drug to avoid any possible complications.

Allegra 120 can possibly interact with the below-mentioned drugs and thus require a dose adjustment or a safety test:

  • Erythromycin
  • Ketoconazole
  • Rifampin
  • Antacids
  • Consuming alcohol with this drug can increase the risk of stomach bleeding

This medication can possibly interfere with the results of a skin allergy lab test and hence should not be consumed for at least 2 days before taking the test.

Allegra 120 mg Tablet FAQs Answered:

1) How much time does this medicine take to show effect?

Ans: The effects of Allegra 120 can be usually observed within 1 to 2 hours of oral administration.

2) How long does the effect of this drug last?

Ans: The results of this medication have been observed to usually last between 12 to 14 hours.

3) Can Allegra be administered to pregnant females?

Ans: No. It is not prescribed to be consumed by pregnant women unless it is unavoidable as animal studies have indicated adverse effects on the fetus. It is best to consult a doctor before use.

5) Is Allegra a steroid?

Ans: No, Allegra is not a steroid.

6) Is the medication of Allegra safe?

Ans: This medicine is safe if taken according to the prescribed doses and duration, as suggested by the doctor. A patient should always consult according to the advice of a doctor.

7) How should Allegra be taken?

Ans: Take this medicine as prescribed by the doctor. Avoid taking this medicine in larger amounts and more than the recommended dose.  This medicine must be taken at least 2 hours after eating food or an hour before having food.

8) What should I do if I missed a dose?

Ans: If you are following a schedule then take the missed dose as soon as you remember it. You can skip the next course if it is time for the next course. Avoid taking extra medicine in case you missed a dose to avoid the complications arising out of overdosage.

9) What things should I keep in mind while taking Allegra and aspirin?

Ans: There have been no reported negative side effects on interactions of Allegra and Aspirin.  But a doctor must be consulted before consuming two medicines simultaneously to rule out the occurrence of side effects.

10) What drugs can cause disruption to the mechanism of Allegra?

Ans: Medicines such as Rifampicin Erythromycin, Antacids and Erythromycin have been noted to cause disruption to the mechanism of the course of Allegra. If Allegra is consumed alongside any of the mentioned drugs, they have the ability to show adverse effects on the health of the patient and may also end up in getting the patient hospitalized.

11) What are the harmful effects of Allegra(if any)?

Ans: This medicine is not very harmful. It is safe for consumption for pregnant women and people above the age of 60. It has a very mild medicine and does not have very severe side effects. It is also safe to use in treating allergic reactions and seasonal allergies in children.

12) How effective is Allegra?

Ans: This medicine has a long-lasting effect on the body if administered on a regular basis. It shows effect within 1 hour of consuming the medicine and the effect usually last for about 24 hours. The course prescribed by the doctor must be strictly adhered to.

13) What are the dietary instructions that should be followed?

Ans: You can take Allegra with food or without food in the morning. There must be a gap of at least 1 hour if it is being consumed before meals and 2 hours if it is being consumed after meals. Always consult your doctor as to how you should consume the medicine.

14) Can Allegra cause hives and redness of the skin?

Ans: This medicine is very effective in helping to subside the various symptoms associated with seasonal allergies and skin rashes. Hives and redness are common side effects of consumption of Allegra. In the case of skin hives and redness post consumption of Allegra, a doctor must be contacted immediately to either alter the course of the medicine or replace it with a substitute.

15) Is Allegra a habit-forming medicine?

Ans: Allegra does not fall under the category of addictive medicines Schedule H & X which need a medical prescription to purchase. It does not show any habit-forming tendencies and must not be consumed in a course over what has been prescribed by a medical practitioner.

16) How much time does Allegra take to show its effect in the body?

Ans: It has been noted that Allegra is a fast release medicine and may take up to 60 minutes to show its effect in the body. Upon administration of the medicine on a regular basis as per prescription, it has a long-term effect of managing and regulating allergic reactions and upper respiratory allergies in the body.

17) Is Allegra safe to consume with alcohol?

Ans: The interaction of alcohol with Allegra has shown the arising of adverse effects such as nausea, dizziness, and change in pulse rate and impairment in judgment.

18) How long does the effect of a single dose of Allegra last in the body?

Ans: The effect of Allegra lasts for at least 12 hours in the body. The maximum noted duration for the effect to last in the body is 24 hours.

19) Do the elements of Allegra be passed on the baby during breastfeeding?

Ans: Yes. The elements of Allegra are passed on to the baby in small amounts during lactation. This medicine is recommended for females during their lactation period post consultation with a doctor. If a doctor prescribed a breastfeeding mother to consume a few doses of Allegra to control the symptoms of an allergy, rash or other allied ailments, it can be consumed without the occurrence of any ill effects.

20) Are regular consumers of Allegra susceptible to having trouble while sleeping?

Ans: The nature of Allegra is an antihistamine. Excess amounts of antihistamine in the body blocks acetylcholine, a chemical message released by nerve cells to send signals to other cells. This can cause anxiety and insomnia. Although this side effect is very rare, it is possible.

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Last updated on : 26-09-2019

Disclaimer : Docprime doesn’t endorse or take any guarantee of the accuracy or completeness of information provided under this article and these are the views strictly of the writer. Docprime shall not be held responsible for any aspect of healthcare services administered with the information provided on this article.

User Comments (1)



Sat May 18 2019

For how many days one can consume Allegra 120 tablets


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