How to use
Allegra (Fexofenadine) should be taken orally, usually twice a day. You can take this medication with or without food, but do not use it in combination with certain fruit juices (e.g. apple, grapefruit and orange) as they may decrease the absorption of these pills. If you are taking the rapidly dissolving tablets, do so on an emtpy stomach, and place them on your tongue until dissolved. Follow the instructions of your doctor exactly, even if they differ from the usually recommended dose.
Do not take Allegra (Fexofenadine) for several days before a scheduled allergy test, as the pills may affect the results of this test.
A possible symptom of an Allegra (Fexofenadine) overdose is unusual drowsiness.
If you suspect you have taken too much of this medication, you should contact your local poison control center or the emergency medical services.
If you miss a dosage of Allegra (Fexofenadine), take it as soon as you remember. If it is nearly time for your next scheduled dose, just skip the missed dose and take the next one, then resume your usual schedule. Do not double up on this medication to make up for a missed dose.
Avoid taking antacids containing aluminium and magnesium 2 hours before and after taking Allegra (Fexofenadine), as they may decrease the absorption of this medication.
Store Allegra (Fexofenadine) at room temperature between 59 and 86 degrees F (15-30 degrees C) and away from light and moisture. KEEP THIS AND ALL MEDICATIONS OUT OF REACH OF CHILDREN.
The above information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed that the taking of this medication is safe, appropriate or effective for you.
Before taking Allegra (Fexofenadine), tell your doctor if you suffer from any of the following:
- Any allergies
- Kidney diseases
- Heart problems
If you suffer from any of the above conditions, you may not be able to take Allegra (Fexofenadine) or you may need a dosage adjustment.
This medication is excreted by the kidneys and elderly people often suffer from decreased kidney function. Therefore, caution is advised if Allegra (Fexofenadine) is taken by anyone in this age group.
Allegra (Fexofenadine) is classed as Pregnancy Category C by the FDA, which means it is not know whether this medication can be harmful to an unborn baby. Discuss the risks and benefits of using this medication with your doctor if you are currently pregnant or planning to become pregnant during treatment.
It is not known whether Allegra (Fexofenadine) passes into breast milk. Talk to your doctor before taking this medication if you are currently breastfeeding a nursing infant.
Before using Allegra (Fexofenadine), inform your doctor of all other medication you are currently using, including:
- Antacids containing aluminum and magnesium
- St. John's wort
- Other medication containing antihistamines
This is only a partial list of medicines that could potentially interact with Allegra (Fexofenadine). Notify your doctor of all other prescription and non-prescription medication you are using, including dietary supplements, vitamins, herbal pills and medication prescribed by other doctors. Do not stop or start taking any medication without consulting your doctor first.
The following common side effects of Allegra (Fexofenadine) may occur:
- Stomach upsets
- Menstrual cramps
- Back pain
- Stuffy nose
If any of the above side effects persist or worsen, notify your doctor immediately.
In unlikely cases, you may experience an allergic reaction to Allegra (Fexofenadine). Symptoms of a severe allergic reaction include:
- Itching or swelling (especially of the face, tongue or throat)
- Severe dizziness
- Trouble breathing
This is only a partial list and other side effects may occur. Notify your doctor straightaway if you experience any other side effects than the ones mentioned above, especially if they are bothersome.