Brain tumors may have a variety of symptoms ranging from headache to stroke. Symptoms that immediately raise the question of a brain tumor include a new seizure in an adult, gradual loss of movement or sensation in an arm or leg, hearing problems, unsteadiness or imbalance (especially if it is associated with headache), loss of vision in one or both eyes (especially if it is more peripheral vision loss), unexplained nausea or vomiting, double vision (especially if it is associated with headache), hearing loss with or without dizziness, and speech difficulty of gradual onset.
Headache: Headache is probably the most common symptom of a brain tumor. Generally, individuals with headaches, even persistent or severe headaches, do not have a tumor; however, some kinds of headache may be particularly worrisome. A steady headache that is worse in the morning than the afternoon, a persistent headache that is associated with nausea or vomiting, or a headache accompanied by double vision, weakness, or numbness all suggest a possible tumor.
Behavioral changes: A change in behavior may also be caused by a brain tumor. The development of an "I don't care" attitude, memory loss, loss of concentration, and general confusion may all be subtle signs.
Hormonal changes: Infertility or amenorrhea (abnormal cessation of menstruation).
Others: Some health conditions that appear to be other diseases, but may in fact be tumors include stroke and unexplained falls. Sometimes a fall can come from a seizure caused by a tumor, and a pituitary tumor can act like a subarachnoid hemorrhage (a type of stroke).
Not all brain tumors cause symptoms, and some (such as tumors of the pituitary gland) are found mainly after death.
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