<s>[INST] A gallon of water fell on the right side of my head. I began having small seizures and a year later I had my first grandma seizure. I had no history of previous seizures prior to this (I was 50 years old at the time). A doctor who did not exam me but read my medical report said that was not true...I could not have seizures because of this. Is that true? [/INST] Hi, I have gone through your question and understand your concern. The grand mal seizure is defined by the neurologist after a detailed description of the entourage who have seen the episode, so it is not just a loss of consciousness and is not very simple to be defined. Seizures may have many causes, but at the age of 50 there are less. Water is not reported to cause seizure so far, but it could have been a coincidence that you experienced your first seizure at that moment. So I would recommend a brain MRI to rule out any structural damage, because at this age this is the first and the most important cause to rule out. Hope this answers your question. If you have additional questions or follow-up questions then please do not hesitate in writing to us. I will be happy to answer your questions. Wishing you good health. </s>