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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1 answer • 25 Apr 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
I've taken Accutane for 6 days and it made my stomach feel weird the first couple days but now is fine. I take singulair and Claritin for my ...
1 answer • 6 Apr 2012
0 answers • 10 Jun 2015