Since you have recent medical issues, you should really talk to your doctor about the additional meds you are taking. I presume your doctor did not prescribe the ED medications for you, and taking medication not prescribed for you after having a vascular event is just not a great idea.
It's good you mentioned not using them together. That can cause a stroke -
https://health.clevelandclinic.org/what-are-poppers-and-are-they-dangerous/
https://www.stroke.org.uk/sites/default/files/publications/sex_and_intimate_relationships_after_a_stroke.pdf - this says you should avoid Viagra and other meds for at least 3 months after your stroke, and until your BP is under control. There are also certain meds you shouldn't mix with them.
I would definitely talk to your doctor about it. Your stroke specialist is definitely the best bet.
Glad you're okay now. :)