Lungair
Lungair (Montelukast Granules BP) sachets are in orange-flavored pediatric powder for oral use.
Montelukast is a medication used in the maintenance treatment of asthma. It is not useful for acute asthma attacks. Other uses include allergic rhinitis and hives of long duration.
Lungair is the combination of Montelukast. Montelukast helps stop your airways from narrowing (caused by inflammation). This makes breathing easier and prevents asthma attacks.
Package contains: Each package contains 14 sachets each of 4mg. 
Composition:
Each sachet (Granules) contains:
Montelukast Granules BP equivalent to Montelukast 4mg. (BP Specs)
Dosage: As directed by the doctor.
Side effects: There are some side effects that are constant abdominal upset or pain, diarrhea, fever, sore throat & worsening of asthmatic, etc.
Pregnancy & Lactation: If you are pregnant use the medicine on Doctor’s advice only. If you are a lactation mother use it only on your Doctor’s or pharmacists’ advice.
Instructions: Store below 30°C. Protect from heat, light and moisture. Keep out of the reach of children. To be sold on the prescription of a registered medical practitioner only. For details please see enclosed leaflet.
Manufacturer & Buy: 
Lungair is manufactured by Nabiqasim Industries (Pvt) Ltd.
This is a link to the manufactured below: https://www.nabiqasim.com
It is not available online, but you can buy Lungair at your nearest pharmacy.