SIDE EFFECTS
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using galantamine and call your doctor at once if you have any of these serious side effects:
chest pain, slow heart rate;
black, bloody, or tarry stools;
coughing up blood or vomit that looks like coffee grounds;
weakness, confusion, decreased sweating, extreme thirst, hot dry skin; or
urinating less than usual or not at all.
Less serious side effects may include:
feeling tired, dizzy, or light-headed;
nausea, vomiting, gas, loss of appetite;
weight loss; or
headache.
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.