What is Allegra Allergy: Uses, Warnings & Interactions

Your doctor will tell you how much medicine to use. Do not use more than directed.

It is best to take the tablet with water.

Shake the oral liquid well before using. Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.

Take the oral disintegrating tablet on an empty stomach.

Make sure your hands are dry before you handle the disintegrating tablet. Peel back the foil from the blister pack, then remove the tablet. Do not push the tablet through the foil. Place the tablet in your mouth. After it has melted, swallow or take a drink of water. Do not chew or break the tablet.

Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

Make sure your hands are dry before you handle the disintegrating tablet. Peel back the foil from the blister pack, then remove the tablet. Do not push the tablet through the foil. Place the tablet in your mouth. After it has melted, swallow or take a drink of water. Do not chew or break the tablet.

It is best to take the tablet with water.

Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

Shake the oral liquid well before using. Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

Take the oral disintegrating tablet on an empty stomach.

Your doctor will tell you how much medicine to use. Do not use more than directed.

Your doctor will tell you how much medicine to use. Do not use more than directed.

Follow the instructions on the medicine label if you are using this medicine without a prescription.

Drink plenty of fluids.

You may take this medicine with food to lessen stomach upset.

Swallow the extended-release tablet, extended-release capsule, or liquid-filled capsule whole. Do not crush, chew, or break it.

The chewable tablet must be chewed completely before you swallow it.

Make sure your hands are dry before you handle the disintegrating tablet. Peel back the foil from the blister pack, then remove the tablet. Do not push the tablet through the foil. Place the tablet in your mouth. After it has melted, swallow or take a drink of water.

Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup. You might need to shake the medicine before using it.

You may take this medicine with food to lessen stomach upset.

Make sure your hands are dry before you handle the disintegrating tablet. Peel back the foil from the blister pack, then remove the tablet. Do not push the tablet through the foil. Place the tablet in your mouth. After it has melted, swallow or take a drink of water.

The chewable tablet must be chewed completely before you swallow it.

Swallow the extended-release tablet, extended-release capsule, or liquid-filled capsule whole. Do not crush, chew, or break it.

Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup. You might need to shake the medicine before using it.

Your doctor will tell you how much medicine to use. Do not use more than directed.

Follow the instructions on the medicine label if you are using this medicine without a prescription.

Drink plenty of fluids.

You should not use two doses at the same time.

May be taken as soon as possible.

Skip the missed dose if it is almost time for your next dose.

This medicine is not right for everyone. Do not use it if you had an allergic reaction to fexofenadine or terfenadine.

You should not use this medicine if you have had an unusual or allergic reaction to Chlor-Trimeton®, Dimetane®, Polaramine®, Actifed®, Tavist® or other antihistamines. You should not use this medicine if you have taken Furoxone®, Marplan®, Eutonyl®, Nardil®, or Matulane® within the last 2 weeks. Do not give any over-the-counter (OTC) cough and cold medicine to a baby or child under 4 years old. Using these medicines in very young children might cause serious or possibly life-threatening side effects.

This medicine may cause drowsiness. If it does, avoid driving a car or using machinery.

This medicine may cause a skin rash when you are out in the sun. Use a sunscreen when you are outside, and try not to spend long periods in direct sunlight.

Ask your doctor before taking this medicine if you are pregnant or breastfeeding, or if you have glaucoma or trouble urinating.

This medicine might contain phenylalanine. This is only a concern if you have a disorder called phenylketonuria (a problem with amino acids). Talk to your doctor before using this medicine.

Side effects of this medicine may occur more frequently in young children and older adults.

Some antihistamine syrups contain alcohol.

Call your doctor if your symptoms do not improve or if they get worse.

Keep all medicine out of the reach of children. Never share your medicine with anyone.

Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease or a condition called phenylketonuria (PKU).

This medicine may make you dizzy or drowsy. Do not drive or doing anything else that could be dangerous until you know how this medicine affects you.

Some medicines and foods can affect how fexofenadine works. Tell your doctor if you are also using any of the following: ErythromycinKetoconazole

If you use an antacid that contains aluminum or magnesium, take it at least 15 minutes before or after you take fexofenadine.

Do not eat grapefruit or drink grapefruit, orange, or apple juice while you are using this medicine.

Keep all medicine out of the reach of children. Never share your medicine with anyone.

Avoid drinking alcohol while taking this medicine.

Avoid taking this medicine with other antihistamines.

Make sure your doctor knows if you are taking any medicine that makes you sleepy, such as sedatives, narcotic pain killers, or antidepressants while you are receiving this medicine.

Some antihistamine syrups contain alcohol.

This medicine may cause drowsiness. If it does, avoid driving a car or using machinery.

This medicine may cause a skin rash when you are out in the sun. Use a sunscreen when you are outside, and try not to spend long periods in direct sunlight.