Occipital neuralgia is a painful condition characterised by pain originating in the upper neck and back of the head. It radiates from the sub-occipital region over the top or side of the head and behind the eyes. The main symptom of occipital neuralgia is chronic headaches. It is characterised by severe pain beginning in the upper neck and back of the head. There is often a trigger point sensitive to palpation. It is typically described as sharp, shooting, stabbing and electrical shock in nature. It usually affects one side only, although both occipital nerves can be affected. The pain can radiate towards the eye and can cause sensations of blurred vision. The duration of pain can be varied, lasting several seconds or continuous for hours or days. Other less common symptoms experienced may include, sensitivity to light and sound, slurred speech, difficulty with balance or coordination and nausea or vomiting. The diagnosis of occipital neuralgia can sometimes be mistaken for tension, cluster or migraine headaches.