This treatment is being suggested on bases of the information provided. However I would like to examine & investigate you  in detail. Control  Hypertension, Diabetes or any other metabolic disorder, if there is  any. Any way it may be tried, --. Dolokind Plus (Mankind) [Aceclofenac100 mg +Paracetamol 350 mg] 1 tab. OD & SOS. X 5 days. --. Caldikind plus  (Mankind) 1 tab OD x 10 days. (You may need help of your local doctor to get these medicines.) --. Fomentation with warm water. Let the part not be exposed to cold. --. Sleep on a hard bed with soft bedding. --. Use no pillow under the head. --. Avoid painful acts & activities. -- .Do mild exercises. --.(Take help of a  physiotherapist). --Do not ignore, let it not become beginning of a major problem. --Do ask for a detailed treatment plan. Kindly make sure, there is no allergy to any of these medicines. --For emergency treatment visit nearest hospital. --Wish you a quick recovery & good health. --I hope, I have solved your problem to your satisfaction.  Dr N C Gupta MS (ortho)

Kindly get CBC ESR AND CRP AND HAVE A GOOD ORTHO SURGEON OPINION

There are various factors for your symptoms.1) the outside food can give some infection and associated muscular pain. Visit your local doctor for this2) Chronic Fatigue Syndrome can affect people this way.3 ) Stop Gym for few weeks and do light exercises or yoga,4) Take some rest and go for a happy holiday nearby

Get a xray cervical spine AP and Lateral

Whenever we start new exercises or heavy exercises muscular pain and fatigue is common. If there is a specific part of the body that is hurting you do need to consult in detail regarding your symptoms and further management .stop exercises for a few days till fever and pain subside However your fever is a matter of concern and maybe related to an infection acquired from eating food from outside