Lasma-5 mg Tablets, which are typically used to treat asthma and seasonal allergies. An allergy is an immune system reaction to external substances that are normally not damaging to your body. These outside substances are referred to as "allergens." Asthma is a local inflammatory illness of the lungs and airways associated with increased airway narrowing and may create more mucus in response to certain stimuli such viruses, allergens, and exercise..Disclaimer:For more information contact your physician.