No, these weren’t reported as side effects in clinical trials of the drug.Symptoms of multiple sclerosis (MS), which Kesimpta is used to treat, may lead to weight changes. For example, difficulty walking or exercising may lead to weight gain.It’s possible that hair loss can be a side effect of other medications used to treat MS. This includes the drug methotrexate.Keep in mind that stress can also contribute to both hair loss and weight changes.If you’re concerned about hair loss or weight gain while you’re receiving Kesimpta, tell your doctor. They can suggest ways to help you manage these symptoms.