Girlfriend : Prozac , which has been available in the United States for more than 20 years , is one of a class of drugs called selective serotonin re-uptake inhibitors . Kazmierczak stopped taking Prozac three weeks before the shooting . Most experts believe there is little evidence to provide link between them , however . FDA : Prozac ##s can make a person irritable and aggressive . Other drug studies make it difficult to conclude whether a link exists .
Girlfriend : Kazmierczak stopped taking Prozac three weeks before the shooting . Most experts believe there is little evidence to provide link between them , however . FDA : Prozac ##s can make a person irritable and aggressive . Other drug studies make it difficult to conclude whether a link exists .