However, stiff neck is also a symptom of meningitis (along with headache and fever). Neck stiffness may also develop as a reaction and result of muscle spasm in various conditions that cause neck pain, including traumatic injuries.owever, stiff neck is also a symptom of meningitis (along with headache and fever). Neck stiffness may also develop as a reaction and result of muscle spasm in various conditions that cause neck pain, including traumatic injuries.