Hello, The head ache is one symptom of typhoid, muscle pain and stiffness also one symptom. The neck hurting is due to muscle spasm. It is more in the morning due to the inflammatory stiffness and reduces after some movements. Why in left due to the more involvement of left muscles. Hope I have answered your query. Let me know if I can assist you further. Take care Regards, Dr Christy J Thundiparambil, Ayurveda Specialist