It could be said that mathematics is the language of physics. That is another way of better understanding what is physics. Numerical values, units of measurement, and similar concepts are all mathematical in nature, and are used to describe physical quantities in the most accurate and precise manner.
In brief: Cough headache. There are a couple of possibilities. Coughing can raise the pressure inside your head, which can cause pain sometimes. There is also a poorly-understood entity called the primary cough headache,  that is associated with coughing, straining, laughing, crying, etc.
If you or your child brings up the point, âMy chest hurts when I cough,â it may not be dangerous. Coughing is never fun! If you have a cough and tell your doctor, âMy chest hurts when I cough,â they may want to look further into why you are experiencing pain in your chest. Doctors will also explain that since your lungs are in your chest, an infection in the upper respiratory area may cause pain if you are coughing a lot.