The most commonly reported side effects of Forxiga include: hunger pain or tenderness nausea tiredness confusion dizziness swelling shaking or feeling jittery fast heartbeat headache weakness sweating stomach area (abdominal) pain redness of skin (erythema) vomiting drowsiness trouble breathing irritability low blood pressure Yeast infections There are other side effects that may occur that are not listed on this page. Additional information about side effects can be obtained from your physician.