Allegra 120mg with an active component, of fexofenadine HCl, is an effective non-drowsy antihistamine that is widely employed throughout Australia for relieving symptoms from allergies, hayfever, and urticaria (hives). With the trust of pharmacists and doctors all over the world, Allegra offers fast and reliable relief that does not cause the feeling of sedation. This allows you to be alert and active.
What is Allegra 120mg?
Allegra can be described as an oral antihistamine that works by reducing the actions of the natural chemical the body produces when you experience reactions to allergies. It helps to reduce the symptoms of allergies, including sneezing, eye itching, a runny nose, as well as skin rashes.
How Allegra Works
Mechanism of Action
Fexofenadine is a selective blocker of the peripheral H1 histamine receptors, which prevent histamine from creating allergy-related symptoms. Contrary to older antihistamines, Allegra doesn’t easily pass through the blood-brain barrier. Therefore, it is not able to cause drowsiness or the feeling of sedation.
Key Features
| Feature | Details |
| Active Ingredient | Fexofenadine hydrochloride |
| Strength | 120mg tablets |
| Form | Oral tablets |
| Use | The treatment of allergic rhinitis, as well as the urticaria |
| Dosage | Take one tablet twice or once every day (as prescribed) |
| Prescription Status | It is available OTC as well as on prescription in Australia |
| Suitable for | Children and adults older than 12 years |
| Common Side Effects | Headache, nausea, dizziness (rare) |
| Storage | Keep it below 30°C, and away from light and moisture |
Benefits of Allegra 120mg
Fast Relief from Allergy Symptoms
Allegra is active within an hour and provides quick relief from:
- Sneezing and nasal congestion
- Itchy, watery eyes
- Skin hives and rashes
Non-Drowsy Formula
Contrary to first-generation antihistamines, Allegra lets you stay active, making it the ideal choice for work, daytime, or driving.
Long-Lasting Effects
Each tablet provides a to 24-hour period of relief from symptoms in just a couple of tablets a day.
How to Use Allegra 120mg
- Use the tablet along with water.
- Don’t take it along with juices from fruit (orange, grapefruit, apple, or grapefruit) since they may decrease the absorption.
- Use the dosage recommended by your GP or according to the directions on the package.
- Limit your intake to the recommended daily dosage.
Potential Side Effects
Allegra is usually well-tolerated; however, some people may experience:
- Headache
- Dry mouth
- Dizziness or fatigue (uncommon)
- Nausea
If you are experiencing serious allergic reactions or symptoms that become worse, get medical attention immediately.
Precautions
- Contact your doctor if you are suffering from liver or kidney issues.
- Do not use Allegra along with any other antihistamines unless you are advised by a doctor.
- Use caution if pregnant or breastfeeding–consult your healthcare professional first.
- Unsuitable for children younger than 12 unless they have medical advice.
Storage and Handling
- Place Allegra in an area that is dry and cool at a temperature of 30°C or less.
- Be sure to keep away from youngsters.
- Don’t use the product until the expiry date is shown on the package.
Who Should Use Allegra 120mg?
Allegra is ideal for those with:
- Seasonal allergic rhinitis (hay fever)
- Chronic urticaria (hives)
- Allergies that cause sneezing, eyes that are itchy or a runny nose.
When to Avoid Allegra
- An allergy is known to fexofenadine and any of the ingredients used that are in the formula.
- A severe kidney impairment that is not controlled by dosage adjustment.
- Children younger than 12 years old do not require medical attention.
Frequently Asked Questions (FAQs)
What is Allegra 120mg used for?
Allegra helps treat symptoms of allergy, asthma, and chronic hives by blocking histamine.
How fast does Allegra work?
Many people notice relief after an hour of using the tablet.
Can Allegra cause drowsiness?
No, there is no need to worry, Allegra is a non-drowsy antihistamine. Therefore, it generally isn’t a cause of sedation.
Can children take Allegra?
Allegra 120mg is a good choice for children and adults over 12 years old. Consult your doctor for younger children.
Can I take Allegra with other medications?
Talk to your physician before combining Allegra with any other medication, including other antihistamines.
Can Allegra be taken during pregnancy?
Consult your GP or pharmacist before using Allegra in case you are expecting or nursing.
How should I take Allegra?
Drink the tablet in the aid of water. Avoid any juices during the course of taking the tablet to ensure absorption.
Are there any side effects?
A few users can suffer from nausea, headaches, or dizziness. However, the risk of serious adverse effects is extremely low.
How should I store Allegra?
Maintain Allegra at a temperature of 30°C in a dry location and away from direct sunlight and humidity.
How long does Allegra last?
Each dose offers relief for symptomatic pain for up to 24 hrs.
Final Thoughts
Allegra 120 mg (Fexofenadine) is a quick, safe, non-drowsy, and efficient relief from allergies for Australians looking for effective control of symptoms. When it comes to battling hay fever or hives, Allegra can help you return to work with no jitters of sleepiness.

















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