I'm VERY depressed, and have Epilepsy. Could that cause me to have a seizure, and if so, how can I fix it?

I was severely head injured in 1992. As a result I have seizures. I now am extremely depressed. Even though I am on anti-seizure meds, is this likely to cause seizures? If so, how do I fix this?
Thank you for any help you can give me!