Smooth Move laxative tea has potential side effects, according to Diet Spotlight. Low potassium, high blood pressure, impaired kidney function and heart problems are potential side effects of senna and licorice root, two of the main ingredients in Smooth Move.
Prolonged use of Smooth Move may also cause increased difficulty in having a bowel movement, notes Diet Spotlight, which also states that senna is linked to dependence.
The manufacturer of Smooth Move lists additional warnings and contraindications on the tea's packaging; these can be viewed on Traditionalmedicines.com. Smooth Move reports that its warnings, contraindications and side effects have not been evaluated by the U.S. Food and Drug Administration.