Get emergency medical help if you have signs of an allergic reaction to Ozempic: hives, itching; dizziness, fast heartbeats; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
vision changes;
signs of a thyroid tumor - swelling or a lump in your neck, trouble swallowing, a hoarse voice, feeling short of breath;
symptoms of pancreatitis - severe pain in your upper stomach spreading to your back, nausea with or without vomiting, fast heart rate;
low blood sugar - headache, hunger, weakness, sweating, confusion, irritability, dizziness, fast heart rate, or feeling jittery; or
kidney problems - little or no urination, swelling in your feet or ankles, feeling tired or short of breath.
Common Ozempic side effects may include:
nausea, vomiting, stomach pain, loss of appetite;
diarrhea; or
constipation.
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.
 Ozempic side effects (more detail)
