By Medically reviewed by Panel Perubatan Hello Doktor

Know the basics

What is Telfast® used for?

Telfast® contains fexofenadine, an antihistamine. It is commonly used for dealing with seasonal allergy symptoms such as sneezing, runny nose, itchy throat, or itchy, watery eyes. It is also used to treat hives and skin itching.

Telfast® may also be used for other conditions as determined by your doctor.

How should I take Telfast®?

  • Take fexofenadine by mouth with or without food;
  • Take fexofenadine with a full glass of water. Do not drink fruit juice at the same time that you take fexofenadine because it may lower drug’s effect;
  • Do not take antacids that contain aluminum or magnesium at the same time as fexofenadine.

How do I store Telfast®?

Telfast® is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store Telfast® in the bathroom or the freezer. There may be different brands of Telfast® that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.

You should not flush Telfast® down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.

Know the precautions & warnings

What should I know before using Telfast®?

Before using Telfast®, you should talk to doctor if:

  • You have any allergy;
  • You have kidney disease or troubles with urination;
  • You are pregnant, planning to become pregnant, or are breastfeeding;
  • If you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement.

Is it safe during pregnancy or breastfeeding?

There are no adequate studies in women for determining risk when using Telfast® during pregnancy or while breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking Telfast®. Telfast® is pregnancy risk category C according to the US Food and Drug Administration (FDA).

FDA pregnancy risk category reference below:

  • A=No risk;
  • B=No risk in some studies;
  • C=There may be some risk;
  • D=Positive evidence of risk;
  • X=Contraindicated;
  • N=Unknown.

Know the side effects

What side effects can occur from Telfast®?

Major side effects

  • Chest tightness;
  • Feeling of warmth, redness of the face, neck, arms and occasionally, upper chest;
  • Swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs;
  • Shortness of breath, difficult or labored breathing.

Minor side effects

  • Vomiting, diarrhea;
  • Body aches or pain, back pain, joint pain, muscle aching or cramping;
  • Muscle pains or stiffness;
  • Difficulty with moving, dizziness;
  • Ear congestion, earache, loss of voice;
  • Fever, chills, coughing, headache, and nausea;
  • Nasal congestion.

Not everyone experiences these side effects. There may be some side effects not listed above. If you have any concerns about a side-effect, please consult your doctor or pharmacist.

Know the interactions

What drugs may interact with Telfast®?

Telfast® may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs, and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval.

  • Erythromycin or ketoconazole has been found to result in a 2-3 times increasing in the level of Telfast® in plasma.
  • The administration of an antacid containing aluminium and magnesium hydroxide gels 15 minutes prior to Telfast® cause a reduction in the effect.

Does food or alcohol interact with Telfast®?

Telfast® may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.

What health conditions may interact with Telfast®?

Telfast® may interact with your health condition. This interaction may worsen your health condition or alter the way the drug works. It is important to always let your doctor and pharmacist know all the health conditions you currently have.

  • Patient with renal and hepatic impaired;
  • Patients with a history or ongoing cardiovascular disease.

Understand the dosage

The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using Telfast®.

What is the dose of Telfast® for an adult?

Seasonal Allergic Rhinitis/Chronic hives

Oral route: 60 mg twice a day or 180 mg once a day.

What is the dose of Telfast® for a child?

Seasonal Allergic Rhinitis

Oral route:

  • <2 years: use not recommended;
  • 2-12 years: 30 mg twice a day;
  • >12 years: 60 mg twice a day or 180 mg once a day.

Chronic hives

  • <6 months: use not recommended;
  • 6 months-2 years: 15 mg twice a day;
  • 2-12 years: 30 mg twice a day;
  • >12 years: 60 mg twice a day or 180 mg once a day.

How is Telfast® available?

Telfast® is available in the following dosage forms and strengths:

  • 60mg, 120mg, 180mg tablets.

What should I do in case of an emergency or overdose?

In case of an emergency or an overdose, call your local emergency services (115) or go to your nearest emergency room.

What should I do if I miss a dose?

If you miss a dose of Telfast®, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.

Hello Health Group does not provide medical advice, diagnosis or treatment.

Share now :

Review Date: September 25, 2016 | Last Modified: December 19, 2019

You might also like