The headaches may develop early (within 2 weeks) or they may not develop these migraines until months following the
injury. Many patients have associated
neck and posterior occipital
pain. The cervical pain and headaches may resolve at different times. There may be other associated symptoms like poor concentration, irritability, sensitivity to noise or bright lights, depression, dizziness or vertigo, tinnitus, memory problems, fatigue, insomnia, nervousness or anxiety.