Orbera is proven, safe, and effective. The non-invasive weight loss device is approved by the FDA, with more than 300,000 treatments performed worldwide. However, there are risks associated with gastric balloons. Common side effects include abdominal pain, nausea, and vomiting. During your consultation, your physician will discuss these and other more serious side effects and determine if Orbera is right for you. For full safety information, download the Orbera Patient Information Booklet.