I knew this was the proper way to take this medication because I had seen it come through the pharmacy many times, but I always wondered why it had to be taken in the evening. What is montelukast? Montelukast is a medication that can be used for the treatment of asthma, allergic rhinitis, and exercise-induced bronchoconstriction in the pill form.Montelukast and Zyrtec Drug Interactions. Can Montelukast be taken with Zyrtec? Yes, Montelukast in combination with Zyrtec is recommended in the treatment of severe allergic reactions. Montelukast is an antileukotriene and widely used to treat asthma, allergic Rhinitis, bronchospasm prophylaxis, asthma maintenance, and COPD.In clinical trials, the effects of Singulair (montelukast) were noticed after the first dose, however, the medication can take about three to seven days to start working. Even if you experience a big reduction in your asthma attacks and symptoms or allergy symptoms, do not stop taking Singulair.Taking montelukast can sometimes affect your mood or behaviour, such as causing nightmares or other sleeping problems, anxiety, depression, agitation, irritability or restlessness. If you think you (or your child) are being affected in this way, speak to your doctor for advice.Montelukast comes as a tablet, a chewable tablet, and granules to take by mouth. Montelukast is usually taken once a day with or without food. When montelukast is used to treat asthma, it should be taken in the evening. When montelukast is used to prevent breathing difficulties during exercise, it should be taken at least 2 hours before exercise.Compare Cetirizine vs. Montelukast, which is better for uses like: Seasonal Allergies and Allergic Rhinitis. Compare head-to-head ratings, side effects, warnings, dosages, interactions and patient reviews. Patients rated Montelukast 3.7/5 over Cetirizine 3.6/5 in overall satisfaction. - Page 3Is it ok to loratadine and cetirizine together? Are there side effects if taken at the same time? These are both second generation antihistamines or allergy medications. // Loratadine is a once a day non-drowsy allergy medication. Typically taken on a daily basis for allergies. It is sold in the US under the brand naDrugs Medications Cetirizine HCL. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.Cetirizine (Zyrtec) and loratadine viagra price (Claritin) are non-sedating antihistamines used to treat symptoms of allergic reaction such as symptoms of seasonal hay fever (allergic rhinitis) such as sneezing, runny nose, red/watery/itchy eyes, hives, and allergic skin rash. Both cetirizine and loratadine are available over-the-counter (OTC) and in generic form.