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Fexofenadine contains the active ingredient fexofenadine hydrochloride, which is an antihistamine. Fexofenadine is a non drowsy antihistamine medication used to treat hay fever and mild allergy symptoms. It is usually prescribed as one 120mg tablet once a day. It works quickly to improve your hayfever and allergy symptoms, but it is not a cure for the condition. This means it will only work while you are taking it.
Patients experiencing the following mild to moderate symptoms of anaphylaxis should take an anti-histamine and have their EpiPen® ready in case of worsening symptoms:
Fexofenadine helps to manage the allergy symptoms by blocking the action of histamine. Histamine is one of the chemicals your body releases when it reacts to an allergen. When you suffer from mild allergy symptoms, your body makes histamines. In an allergic reaction histamines can cause itchy, watery eyes, a running nose and sneezing. By reducing the effects of histamines in your body, Fexofenadine clears up your symptoms.
Fexofenadine usually takes effect in one to two hours and is an effective treatment for the early stages of an allergic reaction. As the medication is classed as a non-drowsy treatment, it may be a better solution than other antihistamines.
Patients experiencing the following mild to moderate symptoms of anaphylaxis should take an anti-histamine and have their EpiPen® ready in case of worsening symptoms:
Fexofenadine lasts around 24 hours, and therefore is usually taken as a single 120/180mg tablet once daily. It should always be taken before a meal. You can take it any time of the day, but you should try to take it at the same time every day.
You can usually take it for as long as you need it, as long as your clinician has told you to. If you miss a dose, do not double your next dose to compensate. Drinking alcohol with fexofenadine may increase the likelihood of feeling drowsy or sleepy.
If you need tablets for hayfever, then you may need to take them regularly during the spring and summer. It will work until you stop taking it, but as it does not cure hay fever, your symptoms are likely to return when you stop if what's triggering your hay fever is still around.
Always use this medication exactly as your clinician has told you. Check with our clinical team or your GP or pharmacist if you are not sure.
Medicines and their possible side effects can affect individual people in different ways. The following are some of the side effects that are known to be associated with this medicine. Just because a side effect is stated here, it does not mean that all people using this medicine will experience that or any side effect.
The common side effects of Fexofenadine include:
The uncommon side effects of Telfast include:
Some uncommon side effects include:
Most side effects will go away within a few days of taking Fexofenadine. You can speak to our clinical team if they do not go away or you’re struggling to manage them.
For full information on side effects and correct use, see the patient information leaflet. If any side effects concern you, or you are experiencing any of the side effects mentioned in the patient information leaflet whilst taking this medication, please contact our clinical team or speak to your GP.
Inform our clinical team before taking Fexofenadine if you:
Fexofenadine is not recommended in pregnancy as there is not enough evidence to support its safety during pregnancy. Your clinician may recommend another hay fever medication that is suitable for pregnancy. You should speak to your clinician if you are breastfeeding. While there is no evidence that this is dangerous for your baby, it's usually not advised.
Get emergency medical help if you have signs of an allergic reaction to this medication. These include:
It is important that you let us know which prescription, over-the-counter medicines and recreational drugs you are currently taking. You must also tell us about any other medical conditions that you currently have (or had in the past). This will help us ensure the prescribed medication is safe and appropriate for you to take.
For full information on warnings, medication interactions and contraindications, refer to the Patient Information Leaflet. Please read all packaging and the Patient Information Leaflet before taking any new medicine and inform our clinical team or your GP of medicines you are taking or intend to take.
