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  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. --. Keep no pillow under the head. --. Avoid painful acts & activities. -- .Do mild exercises for the affected part.- back & lower limbs. --.(Take help of physiotherapist or you can visit my you tube channel Dr NC Gupta 'Yoga Simplified' &  'me and my yoga'  IT IS FREE. --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) DMC 3624

Take rest for 3 days And start anti inflammatory and muscle relaxants for 5 days and after 3 days start with basic lower back exercises No modalities no traction and no Physiotherapy

Long sitting position and abnormal posture can cause muscle spasm... Need muscle relaxant and powergesic gel application

It could be because of Muscle Spasm

As you are saying you are student may be long time sitting will cause backache avoid sitting Laing term and walk in between take some muscle relaxant you will be fine breathlessness may be because of anxiety if you are not having chronic lung decease just check once with physician