Adverse Reactions
Desipramine may cause the following reactions:

drowsiness
dizziness
insomnia
blurred vision
dry eyes – especially in contact lens wearers
rash
dry mouth
photosensitivity
agitation
diarrhea
high blood pressure
hair loss
increased or decreased libido
nausea
sweating
swelling
weight gain or loss
seizures
delirium
delusions
hallucinations
Tourette syndrome
liver / kidney toxicity
heart rhythm disturbances
abnormally low white blood cell and platelet count
tremors
ECG changes
raised or lowered blood sugar