These headache will not be very severe on the other hand they will be mild. When there is more pressure on the neck muscles the pain increases. The time the pain lasts can anything between few hours or days. But sometimes it can spread to both sides of the head. Generally it pains only on one side of the head and the shoulder of the same side rarely. In some cases, the headache can worsen and symptoms of migraine headache can occur. The following symptoms have also been reported: nausea, vomiting, dizziness, blurred vision on the side of the headache, difficulty swallowing and sensitivity to light and sound.

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