Effect of Sodium Bicarbonate, Saline and Black Mulberry Syrup on Degree of Oral Mucositis in Children Receiving Chemotherapy

This study is testing three different mouth rinse solutions — sodium bicarbonate (baking soda), saline (salt water), and black mulberry syrup — to see which is most effective at preventing or reducing oral mucositis (painful mouth sores) in children receiving chemotherapy. Mouth sores are a common and painful side effect of cancer treatment in children. **You may be eligible if...** - You are a child between 6 and 18 years old - You are currently receiving chemotherapy and are hospitalized for treatment - You are able to eat and drink normally (fed orally) - Both you and your parent or guardian are willing to participate and provide written consent **You may NOT be eligible if...** - You already have mouth sores at the start of the study - You have diabetes - You are receiving radiation therapy - You have recently had mouth or jaw surgery - You are receiving steroid therapy during chemotherapy - You are already using another mouth care product not part of this study Talk to your doctor to see if this trial is right for you.