A splitting headache can be unbearable at times, and finding synonyms for this phrase can help you describe your pain differently. One common synonym for splitting headaches is a migraine, which is a severe headache often accompanied by nausea and sensitivity to light or sound. Other synonyms for splitting headaches include throbbing headaches, pounding headaches, and excruciating headaches. These synonyms highlight the intensity of the pain and can help you communicate your discomfort more effectively. If you're looking for a less severe synonym, you could try tension headaches, which are caused by stress or tension in the muscles. Overall, using different synonyms can help you accurately convey the type and severity of your headache.