You have been nauseated two weeks spotted a week before an unusual period backache headache tired insomnia constipated lightheaded?

It sounds like you may be experiencing a combination of symptoms that could suggest several possibilities, including hormonal changes, pregnancy, or even stress-related issues. The nausea, fatigue, and changes in your menstrual cycle are particularly noteworthy. It would be best to consult a healthcare professional for a proper evaluation and to discuss your symptoms in detail. They can provide guidance and potential tests to determine the underlying cause.