Prescription requiredAnti-allergic (Allergic rhinitis therapy)

Allegra Duo Nasal Spray — Side Effects & Warnings

Known side effects of Allegra Duo Nasal Spray include Nasal irritation or burning, nosebleed (epistaxis), headache, unpleasant taste, throat irritation, dryness in nose/throat, sneezing, drowsiness. Not everyone experiences these side effects.

Common Side Effects

Nasal irritation or burning
nosebleed (epistaxis)
headache
unpleasant taste
throat irritation
dryness in nose/throat
sneezing
drowsiness

This is not an exhaustive list. Consult your doctor if you notice any unusual symptoms.

Important Warnings

Use with caution in patients with recent nasal surgery/trauma or nasal infections. Prolonged use of intranasal corticosteroids may rarely cause nasal ulceration/perforation, cataract/glaucoma risk or effects on growth in children—use the lowest effective dose. Stop and seek medical help if severe nosebleeds, vision changes, or signs of allergy occur. If it causes drowsiness, avoid driving/operating machinery.

Drug Interactions

Allegra Duo Nasal Spray may interact with the following:

Other CNS depressants (may increase drowsiness)
strong CYP3A4 inhibitors (e.g.
ketoconazole
ritonavir/cobicistat) may increase systemic corticosteroid exposure
other intranasal steroids/antihistamines (additive effects).

Always tell your doctor about all medicines you are taking, including over-the-counter drugs and supplements.

Pregnancy Safety

Consult doctor

Alcohol Interaction

Use with caution (may increase drowsiness in some users)

Habit Forming

Storage

Store below 25°C in a cool, dry place. Protect from direct sunlight and heat. Do not freeze. Keep the canister upright and out of reach of children.

Allegra Duo Nasal Spray — Safety Summary

Composition: Fluticasone Furoate (27.5mcg) + Azelastine (140mcg)
Prescription: Required (Rx)
Pregnancy: Consult doctor
Alcohol: Use with caution (may increase drowsiness in some users)
Habit forming: No

Allegra Duo Nasal Spray — Safety FAQs

What should I do if I experience side effects?

Mild side effects often resolve on their own. If side effects are severe or persistent, stop the medicine and consult your doctor immediately.

Are all listed side effects common?

No. Some side effects are common while others are rare. Not everyone experiences side effects. Consult your doctor if you are concerned.

Can I take this medicine with other drugs?

Some medicines interact with each other. Always inform your doctor about all medicines you are currently taking.

When should I seek emergency help?

Seek immediate medical attention if you experience severe allergic reactions (difficulty breathing, swelling of face/throat), chest pain, or any life-threatening symptoms.

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Safety disclaimer

This information is for educational purposes only and is not a substitute for professional medical advice. If you experience severe side effects, seek medical attention immediately.