Some side effects can include: nausea, vomiting, stomach upset, diarrhea, constipation, headache, weakness, back pain, joint or muscle pain, a metallic taste in the mouth, cold symptoms such as runny or stuffy nose, sneezing, and sore throat.
More serious side effects can also include: muscle pain, feeling cold, trouble breathing, feeling dizzy, light-headed, tired, or very weak, stomach pain, vomiting, irregular heart rate, severe autoimmune reaction--itching, blisters, breakdown of the outer layer of skin, severe or ongoing pain in your joints, little or no urinating, symptoms of heart failure--shortness of breath, swelling in your legs or feet, rapid weight gain.
Speak with your doctor if any side effects become severe while being treated with Janument XR. Your doctor and pharmacist can help you manage these side effects. If you experience any serious side effects speak with your doctor right away for medical attention.