Hey,
I am using singular for some time now, which is necessary for me because of asthma. Lately I have been feeling tired- is it possible that this is because of singulair?
Hello,
yes it is possible that you feel tired because of singulair. There are some more side effects: feeling tired, fever, stomach pain , upset stomach, intestinal upset, heartburn, dizziness, headache. As you see sigulair can make you feel tired.