If you have a headache with a cold, it might be due to a viral infection, and you should go to the hospital for a routine blood test to identify the source of the infection. Then, take the corresponding anti-infection medication to treat and alleviate the symptoms. Also, you should pay attention to eating light, drinking more water, promoting excretion, and enhancing your immune system. Avoid eating spicy, greasy, and cold irritating foods. If the headache is severe, you may need to take some painkillers to relieve the symptoms. Additionally, symptomatic treatment should be applied; apart from the headache, you should check if there is any fever. Once the temperature exceeds 38.5°C, you should take some antipyretic drugs for treatment. Also, pay attention to using physical cooling methods, drinking more water, and avoiding spicy, greasy, and cold irritating foods. It is advised to follow the doctor’s guidance closely and cooperate actively with the doctor to alleviate the symptoms.