Type of Cancer Colon 
Route Administered Oral 
Precautions Has been reported to produce "antabuse-like" effects when given concomitantly with alcohol. No alcohol on days one takes levamisole 
Side Effects Mild diarrhea, nausea, vomiting, stomatitis (sore mouth), altered taste and smell, abdominal discomfort and diarrhea (especially when combined with 5-FU), low blood counts, fatigue, weakness, and flu-like symptoms. Occasional headaches, confusion, insomnia, excitement and convulsions