Allerfex M, Montelukast/ Fexofenadine

Allerfex M is used for the treatment of sneezing and runny nose caused by allergies. Allerfex M is a leukotrine antagonist that works by blocking the action of chemical messengers called leukotrine. Allerfex M is also an antiallergenic which blocks the action of histamine which is responsible for runny nose and sneezing.

Allerfex M

Montelukast/ Fexofenadine

Allerfex M


Unichem Laboratories


Montelukast 10 mg / Fexofenadine 120 mg



Allerfex M is known as a leukotriene receptor antagonist. Allerfex M is prescribed to help prevent asthma attacks or exercise-induced bronchoconstriction.

How it Works

Allerfex M works to control the symptoms of asthma by blocking the effects leukotrienes. Leukotrienes are produced by the body when asthma symptoms flare up, this may be caused without or with reason being exercise or pollen exposure. Such instances cause body to produce chemical substances called leukotrienes, which cause the inflammation in the smaller airways of the lungs.The inflammation irritates the muscles around the airways and causes them to constrict, this causes airways to narrow which makes it more difficult for air to get in and out of the lungs. This causes the typical symptoms of wheeze, chest tightness and shortness of breath. The inflammation also causes the lining of airways to make extra mucus which causes coughing. Thus Allerfex M helps in the treatment of these symptoms.

Common Side effects

Patients who take Allerfex M may suffer from such side effects;

Skin rash,
Flu-like symptoms,
Stomach pain,
Stomach or intestinal upset,
Stuffy nose,
Upper respiratory infection

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