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Fex

Composition for Fex Products

Fex Products are primarily used for
Allergic conditions, Sneezing and runny nose due to allergies

Products for Fex

Fex 120mg Tablet
strip of 10 tablets
MRP₹107.34
Not Available

About Fex Products

uses

Uses of Fex Products

Fexofenadine is used in the treatment of allergic conditions and sneezing and runny nose due to allergies.
side effects

Fex Products side effects

Common
Side Effects of Fex are Dizziness, Nausea, Headache, Drowsiness.

How Fex Products work

Fexofenadine is an antihistaminic medication. It treats allergy symptoms such as itching, swelling, and rashes by blocking the effects of a chemical messenger (histamine) in the body.

In Depth Information for Fex Products

  • Fex may cause less sleepiness as a side effect compared to other similar medicines.
  • Avoid drinking fruit juices (such as apple or orange) as this may affect the absorption of this medicine and cause more side effects.
  • It may cause nausea. Stick to simple meals, and do not eat rich or spicy food.
  • Avoid using antacids 30 minutes before or after taking this medicine. It can make it harder for your body to absorb this medicine.
  • Never give the medicine to someone who seems to be suffering from a similar illness. This medicine should be taken only if prescribed by a doctor.
  • Your doctor has prescribed Fex to help relieve allergy symptoms such as itching, swelling and rashes.
  • As compared to other similar medications, it is much less likely to make you feel sleepy.
  • Be cautious while driving or doing anything that requires concentration as it can cause dizziness and sleepiness.
  • Do not drink alcohol while taking this medication as it may cause increased sleepiness.
  • Stop taking Fex at least 3 days before taking an allergy test as it can affect the test results.

Patient Concerns about Fex Products

Frequently asked questions about Fex Products

Q. What is Fex 120mg Tablet, and what is it used for?

Fex 120mg Tablet is an anti-allergic medicine. It contains fexofenadine (a second-generation antihistamine). It helps reduce allergy symptoms such as sneezing, a runny nose, itchy or watery eyes, itching, and skin rashes. It may help relieve symptoms triggered by dust allergy (including house dust mites). It is also effective in managing hives and urticaria by blocking histamine (a chemical released during allergic reactions).

Q. What should I tell my doctor before starting treatment with Fex 120mg Tablet?

It is important to inform your doctor about any existing medical conditions and medications. Also mention if you are pregnant, planning a pregnancy, or breastfeeding. Providing a complete list of prescription and non-prescription medicines to your doctor helps them identify possible interactions.

Q. What is the best time of day to take Fex 120mg Tablet?

Fex 120mg Tablet can be taken at any time of day, but taking it at the same time each day helps maintain a consistent level of medicine in your body. Some people prefer taking it in the morning for daytime allergy symptoms.

Q. Does Fex 120mg Tablet interact with other medicines or food?

Yes, Fex 120mg Tablet may interact with other medicines such as antacids, erythromycin, and ketoconazole. It is always better to consult your doctor and provide a list of all prescription and non-prescription medicines before taking Fex 120mg Tablet. It is generally recommended to avoid fruit juices (such as grapefruit, orange, or apple juice) when taking it. They may reduce its absorption.

Q. Can I stop taking Fex 120mg Tablet if I feel better?

Take Fex 120mg Tablet exactly as directed to help manage your allergy symptoms. This medicine relieves the signs of an allergic reaction. However, it does not treat the underlying cause. Therefore, you can stop it when your symptoms have improved. If your symptoms recur after stopping the medicine or persist despite treatment, contact your doctor for further evaluation.

Q. Is Fex 120mg Tablet an antibiotic?

No. It is not an antibiotic; it is an antihistamine. Antibiotics treat bacterial infections. Antihistamines like Fex 120mg Tablet relieve allergy symptoms by blocking the effects of histamine in the body.

Q. What are the side effects of Fex 120mg Tablet, and can it cause dizziness or heart palpitations?

Fex 120mg Tablet is generally well tolerated. Common side effects may include headache, back pain, dizziness, and stomach discomfort. These are usually mild and temporary. Heart palpitations have been reported rarely. If you experience unusual symptoms, such as severe dizziness or an irregular heartbeat, talk to your doctor.

Q. Is Fex 120mg Tablet truly non-drowsy compared to cetirizine?

Fex 120mg Tablet is classified as a non-sedating (non-drowsy) antihistamine. It has a very limited ability to cross into the brain. It causes comparatively less sedation and drowsiness than cetirizine in some individuals. However, individual responses vary, and mild drowsiness can still occur in some people.
Information last updated by Dr. Varun Gupta, MD Pharmacology on 25th Nov 2025.
The medicine details are for information purpose only. Consult a doctor before taking any medicine.