Disclaimer: These symptoms are anecdotal. As far as I know, no clinical evidence is available online. Source: Prozac Panacea or Pandora

bloating
crying, laughing, anger for no apparent reason
cursing (involuntary)
dizziness
emotional upheaval
exhaustion
flu-like symptoms
headaches
irritability (intense)
insomnia
itching
hypomania and mania
hives
joint pain
nausea
panic attack
rage
rambling, slurred speech
rashes
seizures
shakes
single words racing through mind
suicidal ideation
sweating/chills
vomiting

There are anecdotal reports that withdrawal may be delayed for weeks/months. There are anecdotal reports of withdrawals to some degree for as long or longer than patient was on the drug.