Can you take Zyrtec and K-flex?

Yes, you can generally take Zyrtec (an antihistamine) and K-Flex (a glucosamine and chondroitin supplement) together, as there are no known direct interactions between the two. However, it's always best to consult with a healthcare professional before combining medications or supplements to ensure safety and appropriateness for your specific health situation. Always follow the recommended dosages for each.