You might have had a fall, accident in the recent past which you have to recollect.
It can also be a back and neck muscle sprain or pull which has resulted in this stiffness and pain.
Apply warm and cold compress and continue taking NSAIDs such as ibuprofen or naproxen. Follow proper ergonomics in your daily living.
Take complete rest for couple of days and do not exert and if the pain continues then you would need to follow up for an examination near an orthopedician. The orthopedician may suggest you to some scans for a proper diagnosis for treatment.
This site complies with the HONcode standard for trustworthy health information.
The Content on this Site is presented in a summary fashion, and is intended to be used for educational and entertainment purposes only. It is not intended to be and should not be interpreted as medical advice or a diagnosis of any health or fitness problem, condition or disease; or a recommendation for a specific test, doctor, care provider, procedure, treatment plan, product, or course of action. Med Help International, Inc. is not a medical or healthcare provider and your use of this Site does not create a doctor / patient relationship. We disclaim all responsibility for the professional qualifications and licensing of, and services provided by, any physician or other health providers posting on or otherwise referred to on this Site and/or any Third Party Site. Never disregard the medical advice of your physician or health professional, or delay in seeking such advice, because of something you read on this Site. We offer this Site AS IS and without any warranties. By using this Site you agree to the following Terms and Conditions. If you think you may have a medical emergency, call your physician or 911 immediately.