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How Quickly Does Singulair Work

By Michelle Emery ; Updated July 27, 2017

Function of Singulair

Singulair is used for the relief of the symptoms that are associated with asthma and allergies. Singulair contains medicine that blocks leukotrienes. Leukotrienes are molecules that your body produces in response to allergens such as pollen. This chemical causes your lungs to swell and tightens your airways, thus causing breathing problems for people who have asthma.

Singulair Forms and Uses

Singulair alleviates any breathing problems by people having continuing allergy symptoms for a year and having asthma due to heavy exercise. Singulair is available in two tablets of two strengths. Doctors generally advise chewable tablets for children ages 2 and up. Regular day-to-day basis use makes this drug more effective.

Length of Time Before Singulair Works

As with many medications and drugs, Singulair works differently from person to person. The effects of Singulair relieving any asthma symptoms can be noticed in a few days or a few weeks. If you have not noticed any of the effects of Singulair in more than a month, speak to your doctor or allergist.

Warnings

In order for the drug to work properly, doctors advise you to take Singulair at the same time every day. Let your doctor know at once if you notice extremely doubtful serious side effects such as changes in mood and in thoughts. Also, Singulair works in the long term, helping your body breathe easier, and is not an instantaneous remedy for an asthma attack.

Side Effects of Singulair

Common side effects of Singulair are cough, stomach pain and headaches. Side effects in children are sore throat, fever and sometimes diarrhea. Most patients can tolerate the medicines pretty well. On its website, Singulair.com, Singulair lists side effects warnings as weakness, upset stomach, diarrhea, heartburn, cough, headache, unsettled stomach, queasiness, difficulty sleeping, and sometimes pain in the mouth.

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