inability to have or keep an erection

inability to move the eyes

increased blinking

increased muscle spasms or tone

increased thirst

indigestion

infection

insulin sensitivity

irregular, fast or slow, or shallow breathing

irritability

itching or rash

lack of memory of what takes place after a certain event

loss of appetite

loss of balance control

loss of bladder control

loss of consciousness

loss of interest or pleasure

loss of memory

loss of voice

lower back or side pain