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  3. Allerfex 120 mg Tablet 10's

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Allerfex 120 mg Tablet 10's, Pack of 10 TABLETS
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Written By Bayyarapu Mahesh Kumar , M Pharmacy
Reviewed By Veda Maddala , M Pharmacy

Allerfex 120 mg Tablet is used to treat various kinds of allergies. It contains Fexofenadine, which blocks the effects of a chemical messenger known as histamine, that is naturally involved in allergic reactions. It is widely used to treat hay fever (an allergy caused by pollen or dust), conjunctivitis (red, itchy eye), eczema (dermatitis), hives (red, raised patches or dots), reactions to insect bites and stings and some food allergies. In some cases, you may experience headaches, nausea, or dizziness. Before taking this medicine, you should tell your doctor if you are allergic to any of its components or if you are pregnant/breastfeeding, and about all the medications you are taking and pre-existing medical conditions. Do not take this medicine with dairy products as it may lower its efficacy.

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Composition :

FEXOFENADINE-120MG

Manufacturer/Marketer :

Unichem International

Consume Type :

ORAL

Return Policy :

Not Returnable

Expires on or after :

About Allerfex 120 mg Tablet

Allerfex 120 mg Tablet is primarily used to treat various kinds of allergies. An allergy is an immune system response to foreign elements typically not harmful to your body. Allergic condition varies from person to person.

Allerfex 120 mg Tablet contains fexofenadine, which blocks the effects of a chemical messenger known as histamine, which is naturally involved in allergic reactions. 

In some cases, you may experience side effects like headaches, nausea, or dizziness. Most of these side effects of Allerfex 120 mg Tablet do not require medical attention and gradually resolve over time. However, if the side effects are persistent, reach out to your doctor.

You can take Allerfex 120 mg Tablet with food or without food. It should be swallowed whole with a glass of water. Do not chew, bite, or break it. Your doctor will advise you on how often you take your tablets based on your medical condition.

You should not take the Allerfex 120 mg Tablet if you are allergic to it, are currently breastfeeding, have severe kidney failure (creatinine clearance less than 10 ml/min), have a urinary retention problem, or have fructose intolerance. Inform your doctor if you are taking midodrine, and ritonavir or lopinavir for HIV infection before taking Allerfex 120 mg Tablet .

Uses of Allerfex 120 mg Tablet

Allerfex 120 mg Tablet is used to treat allergic conditions such as hay fever, eczema, hives, reactions to insect bites and stings, and some food allergies. The detailed uses of Allerfex 120 mg Tablet are as follows:

  • Allergy Relief: Allerfex 120 mg Tablet helps ease seasonal allergy symptoms like sneezing, runny nose, itchy eyes, and nasal congestion due to its antihistamine properties.
  • Chronic Urticaria: Allerfex 120 mg Tablet treats chronic urticaria by inhibiting histamine, a substance that causes hives and itching, hence providing relief from symptoms.
  • Skin Allergies: Allerfex 120 mg Tablet is involved in providing relief from skin allergy symptoms, including itching, redness, and rashes, helping to soothe and calm irritated skin.
  • Respiratory Allergies: Allerfex 120 mg Tablet helps alleviate symptoms of respiratory allergies, such as hay fever, by relieving nasal congestion, sneezing, and discomfort in the airways, making it easier to breathe.
  • Non-Drowsy Formula: Allerfex 120 mg Tablet provides effective allergy relief without causing sedation, making it perfect for daytime use, allowing you to stay alert and focused.
  • Manage Insect bites and stings symptoms: Allerfex 120 mg Tablet can help alleviate symptoms caused by insect bites and stings, such as itching, redness, and swelling, providing relief from discomfort.
  • Manage food allergy symptoms: Allerfex 120 mg Tablet can help alleviate symptoms of food allergies, such as hives, itching, and swelling, providing relief from mild to moderate reactions.

Have a query?

Directions for Use

  • Allerfex 120 mg Tablet should be taken on an empty stomach, one hour before or two hours after food, as advised by the doctor.
  • It should be taken once a day or as recommended by the doctor.
  • Swallow Allerfex 120 mg Tablet as a whole with a glass of water.
  • Do not chew, crush or break it.

Medicinal Benefits

  • Allerfex 120 mg Tablet is known as a non-drowsy antihistamine.
  • It's less likely to make you feel sleepy than some other antihistamines.
  • Allerfex 120 mg Tablet provides instant relief from allergic reactions and symptoms by blocking histamine action, a substance which causes immune responses & inflammations in the body. 
  • Allerfex 120 mg Tablet is widely used to treat hay fever (an allergy caused by pollen or dust), conjunctivitis (red, itchy eye), eczema (dermatitis), hives (red, raised patches or dots), reactions to insect bites and stings and some food allergies.

How Allerfex 120 mg Tablet Works

Allerfex 120 mg Tablet contains fexofenadine, a non-drowsy antihistamine. It is less likely to make you feel sleepy than some other antihistamines. However, some people still find it makes them feel quite sleepy, which is used to treat allergies as it blocks the effects of a chemical messenger known as histamine, which is naturally involved in allergic reactions. Allerfex 120 mg Tablet is widely used to treat hay fever (an allergy caused by pollen or dust), conjunctivitis (red, itchy eye), eczema (dermatitis), hives (red, raised patches or dots), reactions to insect bites and stings and some food allergies.

Storage

• Store in a cool and dry place away from sunlight. • Keep out of sight and reach of children. • Non cold chain - To be stored in cool places at 10ºC to 25ºC or below 30ºC.
Side effects of Allerfex 120 mg Tablet
To prevent, manage, and treat Constipation caused by medication usage, follow these steps:
  • Preventing Vomiting (Before it Happens)
  • Take medication exactly as prescribed by your doctor. This can help minimize side effects, including vomiting.
  • Having a small meal before taking your medication can help reduce nausea and vomiting.
  • Talk to your doctor about taking anti-nausea medication along with your prescribed medication.
  • Managing Vomiting (If it Happens)
  • Try taking ginger in the form of tea, ale, or candy to help alleviate nausea and vomiting.
  • What to Do if Vomiting Persists
  • Consult your doctor if vomiting continues or worsens, consult the doctor for guidance on adjusting your medication or additional treatment.
Dealing with Medication-Induced Headache:
  • Hydrate your body: Drink enough water to prevent dehydration and headaches.
  • Calm Your Mind: Deep breathing and meditation can help you relax and relieve stress.
  • Rest and Recharge: Sleep for 7-8 hours to reduce headache triggers.
  • Take rest: lie down in a quiet, dark environment.
  • Cold or warm compresses can help reduce tension.
  • Stay Upright: Maintain good posture to keep symptoms from getting worse.
  • To treat headaches naturally, try acupuncture or massage therapy.
  • Over-the-counter pain relievers include acetaminophen and ibuprofen.
  • Prescription Assistance: Speak with your doctor about more substantial drug alternatives.
  • Severe Headaches: Seek emergency medical assistance for sudden, severe headaches.
  • Frequent Headaches: If you get reoccurring headaches, consult your doctor.
  • Headaches with Symptoms: Seek medical attention if your headaches include fever, disorientation, or weakness.
Here are the steps to manage the medication-triggered Cough:
  • Tell your doctor about the cough symptoms you're experiencing, which may be triggered by your medication.
  • Your doctor may adjust your treatment plan by changing your medication, adding new medications, or providing guidance on managing your cough symptoms.
  • Practice good hygiene, including frequent handwashing, avoiding close contact with others, and avoiding sharing utensils or personal items.
  • Stay hydrated by drinking plenty of fluids, such as water, tea, or soup, to help thin out mucus and soothe your throat.
  • Get plenty of rest and engage in stress-reducing activities to help your body recover. If your cough persists or worsens, consult your doctor for further guidance.
Here are the precise steps to cope with diarrhoea caused by medication usage:
  • Inform Your Doctor: Notify your doctor immediately about your diarrhoea symptoms. This allows them to adjust your medication or provide guidance on managing side effects.
  • Stay Hydrated: Drink plenty of fluids to replace lost water and electrolytes. Choose water, clear broth, and electrolyte-rich drinks. Avoid carbonated or caffeinated beverages to effectively rehydrate your body.
  • Follow a Bland Diet: Eat easy-to-digest foods to help firm up your stool and settle your stomach. Try incorporating bananas, rice, applesauce, toast, plain crackers, and boiled vegetables into your diet.
  • Avoid Trigger Foods: Steer clear of foods that can worsen diarrhoea, such as spicy, fatty, or greasy foods, high-fibre foods, and dairy products (especially if you're lactose intolerant).
  • Practice Good Hygiene: Maintain good hygiene to prevent the spread of infection. To stay healthy, wash your hands frequently, clean and disinfect surfaces regularly, and avoid exchanging personal belongings with others.
  • Take Anti-Diarrheal Medications: If your doctor advises, anti-diarrheal medications such as loperamide might help manage diarrhoea symptoms. Always follow your doctor's directions.
  • Keep track of your diarrhoea symptoms. If they don't get better or worse or are accompanied by severe stomach pain, blood, or dehydration signs (like extreme thirst or dark urine), seek medical help.
Managing back pain as a side effect of medication requires a combination of self-care techniques, lifestyle modifications, and medical interventions. Here are the steps:
  • Talk to your doctor about your back pain and potential medication substitutes or dose changes.
  • Try yoga or Pilates and other mild stretching exercises to increase flexibility and strengthen your back muscles.
  • To lessen the tension on your back, sit and stand upright and maintain proper posture.
  • To alleviate discomfort and minimize inflammation, apply heat or cold packs to the afflicted area.
  • Under your doctor's supervision, think about taking over-the-counter painkillers like acetaminophen or ibuprofen.
  • Make ergonomic adjustments to your workspace and daily activities to reduce strain on your back.
  • To handle tension that could make back pain worse, try stress-reduction methods like deep breathing or meditation.
  • Use pillows and a supportive mattress to keep your spine in the right posture as you sleep.
  • Back discomfort can worsen by bending, twisting, and heavy lifting.
  • Speak with a physical therapist to create a customized training regimen to increase back strength and flexibility.
Here's a comprehensive approach to managing medication-triggered fever:
  • Inform your doctor immediately if you experience a fever after starting a new medication.
  • Your doctor may adjust your medication regimen or dosage as needed to minimize fever symptoms.
  • Monitor your body temperature to monitor fever progression.
  • Drink plenty of fluids, such as water or electrolyte-rich beverages, to help your body regulate temperature.
  • Get plenty of rest and engage in relaxation techniques, such as deep breathing or meditation, to help manage fever symptoms.
  • Under the guidance of your doctor, consider taking medication, such as acetaminophen or ibuprofen, to help reduce fever.
  • If your fever is extremely high (over 103°F), or if you experience severe symptoms such as confusion, seizures, or difficulty breathing, seek immediate medical attention.

What if I have taken an overdose of Allerfex 120 mg Tablet

Do not take more than the prescribed dose of Allerfex 120 mg Tablet as it may cause overdose. The symptoms of overdose include dizziness, dry mouth or drowsiness. If you suspect you have taken overdose or notice signs of overdose, please consult a doctor immediately.

Drug Warnings

  • Inform your doctor if you are allergic to Allerfex 120 mg Tablet .
  • Patients with a history of cardiovascular disease should be warned that antihistamines as a medicine class have been associated with adverse reactions, tachycardia and palpitations.
  • Allerfex 120 mg Tablet isn't normally recommended during pregnancy and breastfeeding. Talk to your doctor about the benefits and possible harms of taking Allerfex 120 mg Tablet during pregnancy and breastfeeding.
  • It will also depend on how many weeks pregnant you are and the reason you need to take Allerfex 120 mg Tablet .
  • Please inform your doctor if you have had a kidney, liver disease, or severe illness.
  • Inform your doctor if you are taking midodrine, and ritonavir or lopinavir for HIV infection before taking Allerfex 120 mg Tablet .

Drug-Drug Interactions

verifiedApollotooltip
FexofenadineBosutinib
Severe
FexofenadineEluxadoline
Severe

Drug-Drug Interactions

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FexofenadineBosutinib
Severe
How does the drug interact with Allerfex 120 mg Tablet:
Allerfex 120 mg Tablet can considerably increase blood levels of bosutinib. This may exacerbate the adverse effects of bosutinib.

How to manage the interaction:
Although there is a possible interaction between Bosutinib and Allerfex 120 mg Tablet, you can take these medicines together if prescribed by your doctor. Do not discontinue any medications without consulting your doctor.
FexofenadineEluxadoline
Severe
How does the drug interact with Allerfex 120 mg Tablet:
When Allerfex 120 mg Tablet and Eluxadoline are taken together, increase levels of Allerfex 120 mg Tablet by decreasing metabolism.

How to manage the interaction:
Taking Allerfex 120 mg Tablet with Eluxadoline together can possibly result in an interaction, but it can be taken if a doctor has advised it. If you notice any symptoms related to your condition, it's important to contact a doctor right away. Do not stop using any medications without talking to a doctor.

Drug-Food Interactions

verifiedApollotooltip
No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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Diet & Lifestyle Advise

  • Some anti-inflammatory compounds in ginger can relax membranes in the airways, which could reduce coughing.
  • Staying hydrated is vital for those with a cough or cold. Drinking liquids at room temperature can alleviate cough, runny nose, and sneezing.
  • The immune system is affected by stress and raises the risk of being sick. An individual can exercise regularly, meditate, do deep breathing, and try progressive muscle relaxation techniques to relieve stress.
  • To stay fit and safe, try to sleep 7-9 hours each night.
  • It is advised to avoid contact with known allergens (allergy-causing agents) such as pollen, dust, etc. Certain food items are known to cause allergies to you.
  • Maintain personal hygiene and keep your surroundings clean.

Habit Forming

No

Therapeutic Class

ANTIHISTAMINE

Allerfex 120 mg Tablet Substitute

Substitutes safety advice
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Alcohol

Unsafe

Avoid alcohol consumption while taking Allerfex 120 mg Tablet as it may cause increased drowsiness.

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Pregnancy

Consult your doctor

Allerfex 120 mg Tablet should not be used during pregnancy unless clearly necessary. Please consult your doctor.

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Breast Feeding

Consult your doctor

Caution should be exercised, it is advisable to consult a doctor before using it.

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Driving

Unsafe

Drive only if you are physically stable and mentally focussed, If you experience drowsiness after taking Allerfex 120 mg Tablet you should not drive or operate any machinery or vehicles.

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Liver

Caution

Allerfex 120 mg Tablet to be taken with caution, especially if you have a history of liver disease.

bannner image

Kidney

Caution

Allerfex 120 mg Tablet to be taken with caution, especially if you have a history of kidney disease. The dose may have to be adjusted by your doctor.

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Children

Unsafe

Allerfex 120 mg Tablet is not recommended for use in children below 12 years of age.

FAQs

Allerfex 120 mg Tablet is used to treat allergic conditions such as hay fever (an allergy caused by pollen or dust), conjunctivitis (red, itchy eye), eczema (dermatitis), hives (red, raised patches or dots), reactions to insect bites and stings and some food allergies.

Allerfex 120 mg Tablet contains fexofenadine (anti-histamine), which is used to treat allergies as it blocks the effects of a chemical messenger known as ‘histamine,’ which is naturally involved in allergic reactions.

Hay fever is an allergy caused due to outdoor or indoor allergens, such as pollen, dust mites, or tiny flecks of skin and saliva shed by cats, dogs, and other animals with fur or feathers (pet dander). It leads to cold-like symptoms (running nose, watery eyes).

Allerfex 120 mg Tablet is known as a non-drowsy antihistamine. It's less likely to make you sleepy than some other antihistamines; however, in some people, it may cause sleepiness and induce drowsiness during the day. Hence you are recommended to take it in the nighttime in case you are experiencing excessive drowsiness during the day.

You should not take Allerfex 120 mg Tablet if you have had an allergic reaction to Allerfex 120 mg Tablet , food additives containing E218 or E216, are intolerant to lactose or sorbitol, have liver or kidney failure, epilepsy (fits), or difficulty in peeing. Tell your doctor that you are taking Allerfex 120 mg Tablet and have booked an allergy test as it might affect the diagnostic result.

Take the missed dose as soon as you remember. If it is almost time for your next dose, wait until then to take Allerfex 120 mg Tablet and skip the missed dose. Do not take extra medicine to make up the missed dose.

Depending upon the severity of allergic conditions due to allergens, Allerfex 120 mg Tablet can be safely taken daily until you get complete relief and as long as your doctor has advised you to take it.

While taking Allerfex 120 mg Tablet , avoid drinking grapefruit, orange, or apple juice. It may increase your chances of experiencing side effects.

No, do not take two doses of Allerfex 120 mg Tablet at the same time. Take Allerfex 120 mg Tablet only as per the dose and duration prescribed by the doctor.

Inform the doctor if you are allergic to any medicines, have any other medical conditions or if you are pregnant or breastfeeding.

If you miss a dose of Allerfex 120 mg Tablet take it as soon as you remember, However, if it is almost time for the scheduled dose, skip the missed dose and take the next dose at the scheduled time.

Allerfex 120 mg Tablet should not be taken by people who are allergic to any of its components.

Do not discontinue Allerfex 120 mg Tablet without consulting your doctor. Continue taking Allerfex 120 mg Tablet for the prescribed duration even though you feel better.

No, Allerfex 120 mg Tablet is not an antibiotic. It contains fexofenadine, an antihistamine used to treat allergy conditions.

Allerfex 120 mg Tablet may cause side effects like headaches, nausea, or dizziness. If the side effects are persistent, reach out to your doctor.

Avoid drinking grapefruit, orange, or apple juice as it may increase your chances of experiencing side effects.

Country of origin

India

Manufacturer/Marketer address

Unichem Laboratories Ltd., Unichem Bhavan, Prabhat Estate, Off S.V.Road, Jogeshwari (West), Mumbai – 400 102
Other Info - ALL0146

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Author Details

Bayyarapu Mahesh KumarDoctor badge

Written By

Bayyarapu Mahesh Kumar

M Pharmacy

Veda MaddalaDoctor badge

Reviewed By

Veda Maddala

M Pharmacy

Last Updated

Aug 8, 2025 | 12:11 PM IST

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Reference

  1. https://www.nhs.uk/medicines/fexofenadine/
  2. https://www.medicines.org.uk/emc/product/3487/smpc
  3. https://www.medicines.org.uk/emc/files/pil.3487.pdf

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