Can benadryl-D and singulair be taken together?

Yes, Benadryl-D (which contains diphenhydramine and pseudoephedrine) and Singulair (montelukast) can generally be taken together, as there are no direct drug interactions between them. However, it's important to consult with a healthcare professional before combining medications, especially if you have underlying health conditions or are taking other medications. Always follow dosing instructions and monitor for any unusual side effects.