 [ Symptoms ] my mom is 56 and has frequent headaches nausea dizziness and a constant dull pain in the back of her neck what is it  she is diabetic type 2   takes medicine has high blood pressure which she takes medicine for she just went to the dr and she said there was nothing wrong with her she has had a constant headache for a week now along with the other symptoms [ Disease ] 0 0 0 i have a very similar problem it seems to be a side effect of taking insulin it starts with a tightness and pain in the back of my neck and then progresses into a headache it becomes nearly unbearable i have stopped taking the novolog and within 24 hours or so it goes away i also get extreme weakness shakiness and extreme pain in my spine this is not a listed side effect my doctors have not heard of this side effect nor do they know what could be causing it the only thing i have found is that people with ms and type 1 i have not been diagnosed with ms and i have type 2 sometimes get neck pain but it did not explain why i am not sure my doctors actually believe this is happening i also had the same experience when taking humolog lantus and levemir by the way the lantus and levemir increased my blood sugar levels i have sensitivity to many medications and often get the opposite effects from what is expected i cannot function from these side effects and i am concerned about not taking the medication i also experience nausea has your mother experienced anything like this