Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
no bowel movement within 2 hours after use;
vomiting;
dizziness, feeling like you might pass out;
little or no urination;
a seizure; or
signs of an electrolyte imbalance--increased thirst or urination, dry mouth, confusion, constipation, muscle pain or weakness, leg cramps, irregular heartbeats, tingly feeling.
You may need to drink the liquid more slowly, or stop using it for a short time if you have certain side effects. Call your doctor for instructions if you have:
gagging, choking, severe stomach pain or bloating;
nausea, vomiting, headache, trouble drinking liquids, little or no urinating; or
fever, sudden or severe stomach pain, severe diarrhea, rectal bleeding or bright red bowel movements.
Common side effects may include:
vomiting, stomach pain, indigestion, bloating;
rectal pain or irritation;
hunger, thirst, mild nausea;
trouble sleeping; or
dizziness, chills.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
 GoLYTELY side effects (more detail)
