If possible, I’d like two specific actions in which nuclear medicine is used.

I mean if I already use the “white spot” medicine in the aquarium, can I use other kind of medicine for example “gill parasite” medicine in the same aquarium without changing the water? Or do I have to change the water first to use the medicine.
Because I found out it wasn’t a white spot disease [...]

My dad is in pain and we don’t have insurance, please what kind of medicine is out there where it can relieve the pain for now.

My girlfriend is in a great deal of pain every time during her period. She is from Asia and currently in Japan now, and they don’t seem to have any medicine for it. I could have sworn there is medicine in America for it, what can I do to help her?

How do you make medicine from water hyacinth? What specific type of medicine will be produced? I need it fast…
What specific type of medicine will be produced? I need methods of how to make it a medicine! I need to know how they survive in polluted waters! I need it fast within 24 hours!