99e69144_hamphetamine___Methamphetamine__Physical_Effects
[System] Gastrointestinal [Symptoms and Signs] – Symptoms include abdominal pain – Obstruction in the intestines – Lack of appetite and few nutrients received from energy source (food) that is absorbed in the digestive system [Physical Effects] 
– Severe abdominal pain may result from acute mesenteric vasoconstriction – Methamphetamine has also been associated with the formation of ulcers and ischemic colitis due to the lack of nutrients and a result of poor health
Effects of Methamphetamine | Methamphetamine
Physical Effects