A 1990 study investigated violent behavior among severely mentally ill individuals in 1,401 randomly selected families who were members of the National Alliance for the Mentally Ill (NAMI). In the preceding year, 11 percent of these individuals were reported to have physically harmed another person.
You can donate after you have finished a course of oral antibiotics for a bacterial or viral infection as long as you have taken the last pill as of the date of donation. If you received an antibiotic by injection, you can donate as long as it has been 10 days since your last injection.
Basically, the water should be your go-to drink the day before and day of each plasma donation. Water keeps hydration levels up, so be sure to drink plenty of water before and after plasma donation. I usually try to drink at least half a liter of water a day before donating and a few glasses before going to donate.