Get emergency medical help if you have signs of an allergic reaction: 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;
dehydration symptoms--feeling very thirsty or hot, being unable to urinate, heavy sweating, or hot and dry skin;
low blood sugar--headache, hunger, sweating, irritability, dizziness, fast heart rate, and feeling anxious or shaky;
gallbladder or pancreas problems--sudden and severe pain in your upper stomach that may spread to your back, nausea, vomiting, fever, jaundice (yellowing of your skin or eyes); or
signs of a thyroid tumor--swelling or a lump in your neck, trouble swallowing, a hoarse voice, feeling short of breath.
Common side effects may include:
low blood sugar;
nausea, vomiting, stomach discomfort, loss of appetite;
diarrhea, constipation;
rash;
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.
 Liraglutide side effects (more detail)
