What causes headaches? Medications can cause headaches There are some side effects of medications, and if you look carefully at the instructions of the medication, you will find that the column of adverse reactions often says headache. When we take these drugs, it is normal to have a headache, and after we stop taking them, the side effects will disappear. There are also some people who have headaches after taking medication not because of side effects, but because of problems with the way they use the medication. For example, if you should take one pill but end up taking two, or if you should stop taking the medication, you must follow the doctor’s instructions, but taking more or less medication may cause headaches. Excessive stress, excessive mental tension People with high psychological stress can also have headaches, and it is normal to feel a headache when you encounter some troublesome things and don’t know how to solve them. At this time, it is recommended that we should pay attention to soothe their emotions, you can use aromatherapy, or go out for a walk and chat with friends more often, can help relieve stress and headaches. Cervical spondylosis can cause headaches Once the situation of cervical spondylosis occurs, we will feel that our neck is very stiff, if certain actions bring pressure on the cervical spine, such as people keep their heads down for a long time, maintain a constant posture, etc., which will lead to lack of oxygen to our brain, long-term lack of oxygen will certainly lead to headaches, and this pain is continuous, cervical spondylosis patients must protect the cervical spine. Hypoglycemia can cause headaches Many people will feel that hypoglycemia does not have a big impact on the body, and only need to supplement sugar in time to relieve the symptoms, we should know that this idea is not right, long-term hypoglycemia is likely to be life-threatening. Once our body has low blood sugar, there will be dizziness, fatigue and weakness, which is actually caused by insufficient blood supply. A cold can cause headache A cold can cause nasal congestion, which causes the body not to inhale enough oxygen, and when the brain is deprived of oxygen, it will cause a headache, which is a small headache, only need to actively treat the cold, after the cold is cured, the headache will naturally heal.