Children's Allegra (Fexofenadine)

Also Known as Telfast

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What if I find a lower price with another pharmacy?

We guarantee the lowest price on all of our prescription products. If you find your medications cheaper at any other recognized licensed mail order pharmacy, we will not only match their price, we will beat it by 25% of the difference. It is our 125% price match guarantee!

Example: If you find a product on Canada Drugs Direct for $50.00 and find the same product for $40.00 at another mail order pharmacy, we will provide you with a $12.50 discount, bringing your total to $37.50.

To get the discount please make sure to mention the price match to the customer service team when they call to collect payment for your order. Or call toll free at 1-888-904-8467 to place the order through the phone.

Terms & Conditions of Program

  • Guaranteed lowest price is only valid at the time of sale.
  • We will only match the current advertised price.
  • Products must be identical and in stock at the time of placing an order with a licensed mail order pharmacy. They must be an online Canadian pharmacy with an address in Canada.
  • Products must be authentic in brand and size (same manufacturer, same country of manufacture, same pack size, same strength and same quantity).
  • Products must be new. We cannot match the price of any used, short expiry or expired product.
  • Price match can only be issued over the phone with our customer service team. Please note at this time we cannot offer price matching for the products Ozempic or Saxenda.
What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.

Description

Children’s Allegra is a medicine that helps relieve allergy symptoms in kids ages 2 to 12. It treats symptoms like sneezing, runny nose, itching, and watery eyes, which are common with allergic rhinitis or hay fever. Children’s Allegra contains an antihistamine that works by blocking histamine chemicals that cause these symptoms. It usually comes as a fruit-flavored liquid or orally disintegrating tablet. Unlike some allergy medicines, Children’s Allegra does not usually make children feel sleepy or affect their ability to concentrate

Fact Table

Formula

C32H39NO4

License

US FDA

Bioavailability

33% (oral)

Legal status

OTC (over-the-counter)

Chemical Name

(±)-4-[1-Hydroxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]butyl]-a,a-dimethylbenzeneacetic acid

Elimination half-life

14.4 hours (children), ~14.4–15 hours (adults)

Dosage (Strength)

Children’s Allegra Oral Suspension: 30 mg/5 mL (recommended: 30 mg every 12 hours for children aged 2–11)

Pregnancy

Category C (use only if clearly needed)

Brands

Children’s Allegra, Allegra, Allegra ODT, Mucinex Allergy

Protein binding

60–70%

PubChem CID

208789

MedlinePlus

a697045

ChEBI

5005

ATC code

R06AX26

DrugBank

DB00950

KEGG

D07803

Routes of administration

Oral (liquid suspension, tablets, ODT)

Directions

Children's Allegra is taken by mouth, either as tablets or a liquid suspension. The usual dosage for children ages 6 to 11 is 30 mg every 12 hours, with no more than 60 mg in 24 hours. Children ages 12 and older take 60 mg every 12 hours, up to 120 mg per day. Use the included dosing cup for liquid forms, shake the suspension well before use, and avoid taking it with fruit juice, as juices may lower the effectiveness. Always follow a healthcare professional’s instructions and read the product label for specific directions.

Ingredients

Children's Allegra contains the active ingredient Fexofenadine.

Contraindications

Avoid taking or using this medication if any of the following apply:

  • Known allergy or hypersensitivity to Fexofenadine or any of its ingredients
  • History of severe allergic reactions to similar antihistamines

Cautions

  • Before giving Children’s Allegra, you may want to consult a healthcare provider about the following:
    • Any existing health conditions
    • Any allergies
    • A list of all medications currently being taken
  • Children’s Allegra should not be used if your child has ever had an allergic reaction to this medication or any of its ingredients. If a reaction occurs, get medical help right away.
  • Children with kidney disease may need a different dose. Talk to your child’s doctor before using this product.
  • Don’t take it at the same time as antacids that contain aluminum or magnesium.
  • Although rare, some children may still have an allergic reaction to Children’s Allegra. If this happens, stop using it and seek medical help right away.
  • The orally disintegrating tablets (ODT) version of Allegra contains phenylalanine, a substance some people with PKU need to avoid. Each 30 mg tablet has 5.3 mg of phenylalanine. Other forms of Children’s Allegra do not contain phenylalanine.
  • In case of an accidental overdose, call Poison Control or get medical help immediately.

Side Effects

Children’s Allegra is generally well tolerated, with side effects varying by age group. In children ages 6 to 11, the most common side effects include cough, upper respiratory tract infections, fever, and ear infections, each occurring in more than 2% of children. Among younger children (ages 6 months to 5 years), vomiting, diarrhea, and sleepiness were most commonly reported. These reactions were generally mild and occurred at similar or lower rates than in the placebo group.

In older children and teens (ages 12 and up), headache, back pain, dizziness, and stomach discomfort were reported, especially at higher doses. Serious allergic reactions are rare but have been reported, including rash, hives, and swelling. Postmarketing experience has also included cases of insomnia, nervousness, and sleep disturbances.

References

  1. Allegra (Fexofenadine) Product Monograph. Bridgewater, NJ: Sanofi-Aventis U.S. LLC; 2008.
  2. Allegra (Fexofenadine) Drug Label Information. Chattanooga, TN: Chattem, Inc.; 2025.


IMPORTANT NOTE: The information provided above is for general awareness and educational purposes only. It is not intended to diagnose, treat, or replace professional medical or veterinary advice. Always consult your physician, pharmacist, or veterinarian regarding the safety, suitability, and proper use of any medication for yourself or your pet.

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