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Fenadin 120 Tablet: Uses, Dosage, Side Effects – 2026

A top-down view of a Fexo 120 box sitting above two silver foil blister packs, showing white oval-shaped tablets.

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Fenadin 120 is a highly effective, non-sedating antihistamine containing Fexofenadine Hydrochloride. It is used to provide rapid relief from various allergic symptoms by blocking H1-receptors in the body. Produced by Renata Limited, it is widely regarded for its ability to treat allergies without causing the drowsiness associated with older medications. Here is the updated guide for 2026.

What is Fenadin 120 Used For?

Fenadin 120 contains 120 mg of Fexofenadine and is primarily prescribed for:

  • Seasonal Allergic Rhinitis: Relief of hay fever symptoms like sneezing, itchy nose/palate, and runny nose.

  • Ocular Symptoms: Relief of red, itchy, and watery eyes caused by allergies.

  • Skin Allergies (Urticaria): Treatment of chronic idiopathic urticaria (hives) to reduce itching and the number of wheals.

  • Environmental Triggers: Management of reactions to pollen, dust mites, and pet dander.

Clinical reviews highlight that Fexofenadine does not cross the blood-brain barrier, making it a “gold standard” for non-drowsy relief. For more technical data, see this review on Fexofenadine’s clinical efficacy.

Dosage

For adults and adolescents 12 years of age and older, the standard dosage is:

  • Dosage: One 120 mg tablet once daily.

  • Administration: Swallow the tablet whole with water.

  • Timing: It is best taken on an empty stomach (at least 1 hour before or 2 hours after a meal) for the highest absorption rate.

Common Side Effects

Fenadin 120 is generally very well-tolerated. Most side effects are mild and comparable to a placebo. They may include:

  • Headache

  • Dizziness

  • Nausea

  • Dry mouth or throat

  • Drowsiness (very rare, occurring in less than 1% of patients)

Safety Insight: While extremely safe, users should be aware of rare hypersensitivity reactions. For a comprehensive look at adverse reaction reporting, refer to this pharmacovigilance study on Fexofenadine.

Important Warnings & Precautions

  • Fruit Juice Interaction: Avoid taking Fenadin 120 with grapefruit, orange, or apple juice. These juices can reduce the drug’s effectiveness by up to 40%.

  • Antacids: Do not take antacids containing aluminum or magnesium within 2 hours of taking Fenadin, as they interfere with absorption.

  • Kidney Disease: Patients with significant renal impairment should consult a doctor, as dose adjustments may be necessary.

  • Pregnancy/Breastfeeding: Consult your physician; it should be used during pregnancy only if the potential benefit justifies the risk to the fetus.

Price in Bangladesh (January 2026 Approximate)

  • Price per Tablet: Approximately ৳10.00.

  • Price per Strip (10 Tablets): Typically ৳100.00.

  • Manufacturer: Renata Limited.

A white and maroon box of Fexo 120 Fexofenadine Hydrochloride USP tablets displayed with a partially used blister pack and a paper-backed strip.
Fexo 120 box with blister strips.
A close-up of a white Fexo 120 box featuring a purple CTG-N-013 batch stamp and a silver blister pack in front.
Stamped Fexo 120 box and strip.

Frequently Asked Questions (FAQ) About Fenadin 120

Q: Will Fenadin 120 make me sleepy?

No. Fexofenadine is a second-generation antihistamine specifically designed not to enter the brain, so it does not typically cause drowsiness or affect your ability to drive.

Q: How long does one tablet last?

A single dose of Fenadin 120 provides 24-hour relief from allergy symptoms.

Q: Can I take Fenadin 120 for a common cold?

It helps if your cold symptoms (sneezing/runny nose) are triggered by allergies, but it will not “cure” a viral cold or reduce a fever.

Q: Are there any alternatives to Fenadin 120 in Bangladesh?

Yes. Popular alternatives include Fexo (Square), Axodin (Beximco), Alanil (ACME), and Fixal (Opsonin).

Q: Can I take it with alcohol?

While Fexofenadine doesn’t interact with alcohol as severely as older antihistamines, it is still recommended to avoid alcohol to prevent any potential increased dizziness.

Q: What if I miss a dose?

Take it as soon as you remember. If it is almost time for your next dose, skip the missed one. Never take two tablets at once.


Disclaimer: This is educational information only (updated January 2026). Not a substitute for professional medical advice. Always consult a qualified physician before starting/stopping any medication.

About the Author

Picture of Dr. Afsana Haque Joty
Dr. Afsana Haque Joty
Dr. Afsana Haque Joty is a highly skilled Senior Dental Surgeon at the Mirpur branch of Tech Dental, bringing over five years of clinical expertise to her practice. A distinguished alumna of the University of Dhaka, she completed her Post-Graduate Training (PGT) in Oral & Maxillofacial Surgery and Pediatric Dentistry at Dhaka Dental College. Registered with the BMDC (Registration No. 11071), Dr. Joty also holds specialized training in Aesthetic Dentistry. She is dedicated to providing modern, high-quality dental solutions for both children and adults with the utmost care and precision.

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