Description

Allegra 180 mg

Allegra 180 mg is a powerful, non-drowsy antihistamine designed to provide swift relief from seasonal allergy symptoms. Formulated with 180 mg of active fexofenadine, it effectively combats sneezing, runny nose, and itchy, watery eyes without impairing alertness.

This fast-acting medication supports a busy lifestyle by mitigating bothersome allergic reactions, making it ideal for both adults and children. With its unique blend of efficiency and safety, Allegra 180 mg is a trusted option for managing allergy discomfort.

Uses

Allegra 180 mg is used to alleviate seasonal allergy symptoms and provide non-drowsy relief. It effectively treats allergic rhinitis, which includes sneezing, runny nose, and itchy or watery eyes.Additionally, Allegra 180 mg is beneficial for managing chronic idiopathic urticaria, reducing hives and itching associated with allergic reactions.

Its active ingredient, fexofenadine, works by blocking histamine receptors, preventing the cascade of allergy symptoms. With a fast-acting formula, it supports an active lifestyle without causing drowsiness.

How to use it ?

ake Allegra 180 mg once daily with water, preferably on an empty stomach (1 hour before or 2 hours after a meal). Swallow the tablet whole; do not crush or chew. Avoid fruit juices (orange, apple, grapefruit) as they reduce absorption.

Do not take with antacids containing aluminum or magnesium within 2 hours. Common side effects include headache, dizziness, nausea, and dry mouth. Consult your doctor if pregnant, breastfeeding, or having kidney disease.

How Allegra 180 mg Works ?

Allegra (Fexofenadine) is a second-generation antihistamine that works by blocking histamine (H1 receptors) in the body. Histamine is a chemical released during allergic reactions, causing symptoms like sneezing, runny nose, itching, and hives.

By preventing histamine from binding to its receptors, Allegra reduces these symptoms without causing significant drowsiness, unlike older antihistamines . It starts working within 1 hour, reaches peak effect in 2–3 hours, and provides relief for 24 hours with a single dose.

Dosage

For Allergic Rhinitis (Hay Fever) & Chronic Urticaria (Hives):

• Adults & Children (12 years and older): 180 mg once daily with water.
• Children (under 12 years): Not recommended without a doctor’s advice.
• Elderly or Patients with Kidney Issues: A lower dose (e.g., 60 mg once daily) may be recommended by a doctor.

Important Guidelines:

• Take on an empty stomach (1 hour before or 2 hours after a meal).
• Swallow whole; do not chew or crush.
• Avoid fruit juices (orange, apple, grapefruit) and antacids within 2 hours.

Benefits of Allegra 180 mg

• Relieves Allergy Symptoms – Effectively reduces sneezing, runny nose, itchy/watery eyes, and throat irritation caused by seasonal allergies (hay fever).
• Treats Chronic Hives (Urticaria) – Helps relieve itching, redness, and swelling from chronic idiopathic urticaria.
• Non-Drowsy Formula – Unlike older antihistamines, Allegra does not cause significant drowsiness, making it ideal for daily use.
• Fast-Acting & Long-Lasting – Begins working within 1 hour and provides 24-hour relief with a single dose.
• Well-Tolerated – Minimal side effects compared to first-generation antihistamines.

Side Effects of Allegra 180 mg

Common Side Effects 

• Headache
• Dizziness
• Nausea
• Dry mouth
• Drowsiness (rare)

Less Common but Possible:

• Fatigue
• Stomach discomfort
• Back pain

Rare but Serious 

• Trouble breathing
• Swelling of face, lips, or throat (allergic reaction)
• Severe dizziness
• Fast or irregular heartbeat

Precautions 

• Take on an Empty Stomach – At least 1 hour before or 2 hours after a meal for better absorption.
• Avoid Fruit Juices – Orange, apple, and grapefruit juices reduce effectiveness; take with plain water.
• Do Not Take with Antacids – Avoid aluminum or magnesium-based antacids within 2 hours, as they interfere with absorption.
• Kidney Disease – Consult a doctor for a possible lower dose.
• Pregnancy & Breastfeeding – Use only if prescribed by a doctor.
• Avoid Alcohol & Sedatives – May increase drowsiness, though Allegra is generally non-drowsy.
• Check for Allergies – If you have severe allergic reactions to antihistamines, inform your doctor.

Frequently Asked Questions

What is Allegra 180 mg used for?

Allegra 180 mg is used to treat seasonal allergic rhinitis (hay fever) and chronic urticaria (hives) by relieving symptoms like sneezing, runny nose, itchy/watery eyes, and skin itching.

How long does Allegra 180 mg take to work?

It starts working within 1 hour, reaches peak effect in 2–3 hours, and provides relief for 24 hours with a single dose.

Can I take Allegra 180 mg daily?

Yes, Allegra can be taken daily for allergy relief, but it’s best to use it only when needed. Consult your doctor for long-term use.

Does Allegra 180 mg cause drowsiness?

No, Allegra is a non-drowsy antihistamine, but in rare cases, some people may feel slightly sleepy.

Can I take Allegra 180 mg with food?

It’s best to take it on an empty stomach (1 hour before or 2 hours after a meal) for better absorption.

 Can I drink fruit juice while taking Allegra?

Avoid orange, apple, and grapefruit juice, as they reduce the effectiveness of Allegra. Take it with water instead.

Can I take Allegra with other medications?

Avoid taking it with antacids (aluminum/magnesium-based) within 2 hours. Always check with your doctor before combining it with other medicines.

 Is Allegra 180 mg safe during pregnancy or breastfeeding?

Consult your doctor before using Allegra if you are pregnant or breastfeeding to ensure it’s safe for you.

What should I do if I miss a dose?

Take it as soon as you remember, but skip it if it’s almost time for your next dose. Do not double the dose.

What are the common side effects of Allegra?

Mild side effects include headache, dizziness, nausea, dry mouth, and stomach discomfort. Serious reactions are rare but seek medical help if you have difficulty breathing or swelling.

Conclusion

Allegra 180 mg is an effective, non-drowsy antihistamine that provides 24-hour relief from allergies and chronic hives. It works by blocking histamine to reduce symptoms like sneezing, itching, and runny nose.

For best results, take it on an empty stomach with water, avoiding fruit juices and antacids. While generally safe, consult a doctor if pregnant, breastfeeding, or having kidney issues.