Obesity is a serious condition affecting the physical and psychological wel
l being of a large number of individuals. There are many therapeutic option
s for the disease and their judicious selection Is critical. The best resul
ts are obtained with well-organised multi professional programs. The aims o
f the treatment must be defined balancing risks and benefits. Eating behavi
our patterns must be considered for the proper selection of therapy. Diet i
s an essential therapeutic component and has to be individually prescribed
for each patient. Pharmacological agents inhibit appetite: increase thermog
enesis or inhibit gastrointestinal absorption of nutrients. As these medica
tions have important side effects and complications, extreme care must be t
aken for their prescription.