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Regarding what you mentioned

, the Montegen contains the active ingredient montelukast which is one of the medications that are usually prescribed in order to treat bronchial asthma.

What are the other drugs ?

The doctor may prescribed other drugs such as

• Salbutamol inhaler
• cotricosteriod inhaler
• prednisone tablets

What are the side effects of this drug ?

• headache
• upper respiratory tract infection
• abdominal pain
• allergic reaction against this medication

Those side effects are not common, so they may appear in certain cases.

What should you do in this case ?

You have to visit the pulmonologist doctor  so that the doctor could do a full clinical evaluation  of the case ,i then he will treat it accordingly .
  Stay well.   
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