Can you take excedrin pm in the evening if you took Zyrtec this morning?

Yes, you can generally take Excedrin PM in the evening after taking Zyrtec in the morning, as there are no direct interactions between the two medications. However, it's important to consider your own health conditions and the total dosage of medications you are taking. Always consult with a healthcare professional if you have concerns or if you are taking other medications.