common Negative effects of victoza headache, dizziness, nausea, vomiting, upset tummy, indigestion, loss of hunger, diarrhea, constipation, cold signs or symptoms (stuffy nose, sneezing, sinus discomfort, sore throat), back again pain, drained feeling, skin rash, higher respiratory tract infection, or redness or rash wherever the medicine was injected. Explain https://www.asideeffects.com/victoza-side-effects-uses-and-other-important-facts-2019/