Allegra-D

1 What is Allegra-D?

Brand: Allegra-D, Allegra-D 24Hour

Generic: Fexofenadine and Pseudoephedrine

Allegra-D is a combination of Fexofenadine and Pseudoephedrine. Fexofenadine is an antihistamine and pseudoephedrine is a decongestant. The combination of these two medications is used to treat nasal congestion, sneezing and runny nose caused by allergies.

Do not give any over the counter medications to a baby or child under 4 years of age. Using these medications in very young children may cause serious or life-threatening side effects.

This medication is only available with your doctor’s prescription.

This medication is available in the following forms:

  • Extended release tablet, 24 HR
  • Extended release tablet

2 What to Know Before Using

As with all medicines, the risks of using Allegra-D must be compared to how much this medication will help you. This is a decision that you and your doctor will make together.

For this medication, there are many things that need to be considered:

  • Allergies: Inform your doctor if you have ever had an allergic reaction to Doxorubicin or to any other medications. It is also important to inform your doctor of any non-medicine allergies such as foods, dyes, preservatives or animals.
  • Pediatric: Use of this medication is not recommended for children under 12 years of age. In children 12 years of age and older, this medication is not expected to cause different problems or side effects than it does in adults.Do not give any over the counter medications to a baby or child under 4 years of age. Using these medications in very young children may cause serious or life-threatening side effects.
  • Geriatric: Some side effects may be more likely to occur in elderly patients, who are normally more sensitive to the effects of this medication.
  • Pregnancy: This medication is listed as Pregnancy Category C. This means that animal studies have shown an adverse effect and no studies have been performed on pregnant women OR there are no adequate studies on pregnant animals and pregnant women.
  • Breastfeeding: There are no up-to-date studies in women for determining infant risk when using this medication while breastfeeding. Weigh the potential risks with the benefits before taking this medication while breastfeeding.
  • Drug Interactions: Certain medications should not be used together. However, in certain cases, two medications may be used together, even if an interaction might occur. In these cases, your doctor may want to change your dose or take other precautions.When taking this medication, it is important that you inform your doctor if you are taking any of the medications listed below. The following interactions were selected on the basis of potential significance and are not all-inclusive.Using this medication with any of the following is not recommended.Your doctor may decide not to treat you with this medication, or change some of the other medications you take:
    • Dihydroergotamine
    • Furazolidone
    • Iproniazid
    • Isocarboxazid
    • Linezolid
    • Methylene Blue
    • Moclobemide
    • Nialamide
    • Phenelzine
    • Procarbazine
    • Rasagiline
    • Safinamide
    • Selegiline
    • TranylcypromineUsing this medication with any of the following medication is not recommended, but may be unavoidable in some cases.Your doctor may make the decision not to treat you with this medication or change some of the other medications you take:
    • Eliglustat
    • Guanethidine
    • Iobenguane I 123
    • Lomitapide
    • Methyldopa
    • Midodrine
    • Nilotinib
    • Simeprevir
    • TocophersolanUsing this medication with any of the following medications may increase your risk of side effects. However, using both medications may be the best treatment for you.If both medications are prescribed together, your doctor may change the dose or how often you take one or both medications:
    • Aluminum Carbonate, Basic
    • Aluminum Hydroxide
    • Aluminum Phosphate
    • Dihydroxyaluminum Aminoacetate
    • Dihydroxyaluminum Sodium Carbonate
    • Magaldrate
    • Magnesium Carbonate
    • Magnesium Hydroxide
    • Magnesium Oxide
    • Magnesium Trisilicate
    • St John's Wort
  • Other Interactions: Certain medications should not be used while eating, or while eating certain foods in the case of negative interactions. Using alcohol or tobacco with certain medications may also cause negative interactions. Talk with your doctor about the use of your medication with food, alcohol or tobacco.Using this medication with any of the following is not normally recommended, but may be unavoidable.If used together, your doctor may change the dose or how often you take your medication or give you special instructions about the use of food, alcohol or tobacco:
    • Apple Juice
    • Grapefruit Juice
    • Orange Juice
  • Other Medical Problems: Pre-existing medical problems may affect the use of this medication.Be sure to tell your doctor if you have any other medical problems, especially:
    • Diabetes Mellitus (sugar diabetes) - Use of this medicine may cause an increase in blood glucose levels..
    • Enlarged prostate
    • Urinary tract blockage or difficult urination - Use of this medicine may cause urination to be more difficult. You should not take this medicine if you have these conditions:
      • Glaucoma
      • Increased pressure in the eye - Use of this medicine may make the condition worse. 
      • Heart or blood vessel disease
      • High blood pressure (hypertension) - Use of this medicine may make the condition worse. You should not take this medicine if you have high blood pressure, especially if it is severe.
      • Kidney disease - Effects may be increased because of slower removal of the medicine from the body. The 24-hour extended-release tablet should not be used if you have kidney problems.
      • Overactive thyroid - Serious effects on the heart may occur.

3 Proper Usage

To use Allegra-D properly, you must follow all instructions given by your doctor. 

Swallow the extended-release tablet. Do not crush, break or chew before swallowing. Take this medication on an empty stomach, either one hour before a meal or two hours after a meal.

Take this medication with water. Do not take it with fruit juices or antacids.

Dosing

Different patients will be given a different dose of this medication based on the strength of the medication.

The number of doses you take each day, the time between doses and the length of time you take this medication depends on the reason you are taking this medication.

The following information only includes the average dose of this medication. If your dose is different, do not change it without first speaking to your doctor.

Extended-release tablet, 12 HR:

  • Adults and teenagers - 1 tablet twice a day
  • Children 4 years of age and older - Use and dose must be determined by your doctor.
  • Children under 4 years of age - Use is not recommended.

Extended-release tablet, 24 HR:

  • Adults and teenagers - 1 tablet once a day
  • Children 4 years of age and older - Use and dose must be determined by your doctor.
  • Children under 4 years of age - Use is not recommended.

Missed Dose

If you miss a dose of this medication, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and resume your normal dosing schedule. Do not double dose.

Storage

Store this medication in a closed container at room temperature. Keep it away from heat, moisture, and direct light. Do not freeze. Keep out of the reach of children.

Do not keep expired medication or medication you no longer need. Ask your doctor how to dispose of any medication you do not use.

4 Potential Side Effects

Allegra-D may produce unwanted effects along with the intended effects. Although not all of these side-effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if you experience any of the following side-effects:

More Common

Some patients may experience other side effects that are not listed. Check with your doctor if you notice any other side effects.

Ask your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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