Get emergency medical help if you have signs of an allergic reaction to Victoza: hives; fast heartbeats; dizziness; trouble breathing or swallowing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
racing or pounding heartbeats;
sudden changes in mood or behavior, suicidal thoughts;
severe ongoing nausea, vomiting, or diarrhea;
signs of a thyroid tumor - swelling or a lump in your neck, trouble swallowing, a hoarse voice, feeling short of breath;
gallbladder problems - fever, upper stomach pain, clay-colored stools, jaundice (yellowing of your skin or eyes);
symptoms of pancreatitis - severe pain in your upper stomach spreading to your back, nausea with or without vomiting, fast heart rate;
severely low blood sugar - extreme weakness, confusion, tremors, sweating, fast heart rate, trouble speaking, nausea, vomiting, rapid breathing, fainting, and seizure (convulsions); or
kidney problems - little or no urination; painful or difficult urination; swelling in your feet or ankles; feeling tired or short of breath.
Common Victoza side effects may include:
nausea (especially when you start using Victoza), vomiting, stomach pain;
diarrhea, constipation;
headache, dizziness; or
feeling tired.
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.
 Victoza side effects (more detail)
