Symptoms depend mainly on the location of the tumor. Many of the early symptoms of brain tumors result from pressure on nearby areas of the brain, either from the mass itself or from the tumor blocking the normal flow of cerebrospinal fluid. This can cause symptoms such as nausea, vomiting and excessive sleepiness. However, many common childhood diseases cause similar symptoms, so a brain tumor may not be the first thing your pediatrician suspects. If double or blurry vision, seizures, or weakness affecting one side of the body or face also occur, the possibility of a brain tumor increases.
Later symptoms may include loss of coordination, trouble with vision or hearing, behavior changes, weakness on one side of the body, or trouble with balance.
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