10 May 2011
You can take them together. Singulair is Montelukast sodium which is a leukotriene receptor antagonist and Claritin is Loratidine which is a piperidine antihistamine. Although they generally have a lower incidence of drowsiness than typical antihistamines they can still cause drowsiness and fatigue which is probably a little more pronounced when taking them together. Speak to your Dr about the drowsiness and he may be able to adjust the dose.
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Taking a non-drowsy medicine tends to keep me awake at night. Is there a Claritin product that is not non-drowsy, but still effective.
1 answer • 8 Jun 2010
Hi, I am taking 40 mg of Vyvanse and have had to add Claritin for allergies as well. I am so so tired. Is this because of the interaction? Thanks
1 answer • 6 May 2011