It can be probably muscular only which may be because of wrong posture of because of bad bed on which you sleep.

The cause may be due to prolong sitting in one position or disturbing your posture due sleep in foam bed. These are normal causes of back pain. To find proper causeses and treatment consult to physio.

Dear friend Back pain at this age might be because of lack of exercises or bad posture which is very common in students. So dear friend instead of taking medicines go for little warm up exercise like a mild walk for 20 minutes or so. Usually after 15 or 20 days you will feel better...

Apply Hot Fomentation twice daily. Avoid bending in front. Postural Correction- Sit Tall, Walk Tall. Extension Exercises x 15 times x twice daily - lying on tummy, take left arm up for 3 seconds, then bring it down, right arm up for 3 seconds, bring down. Bring right leg up, hold for 3 seconds, bring it down. Then right leg up and hold for 3 seconds and bring it down. Repeat twice a day- 10 times. Bhujang Asana -- Lie flat on your stomach, keeping the palms out, bend the neck backward, take a deep breath and while holding it for 6 seconds, raise the chest up. Release breath and relax your body. Repeat the exercise 15 times twice daily. Core Strengthening Exercises- Straight Leg Raised With Toes Turned Outward, repeat 10 times, twice a day.

Clinical examination by orthopaedic surgeon will give better opinion. Better to do CT scan to rule out bone problem.

Hi, this is Dr Hitin Mathur, orhopaedic surgeon from Fortis C Doc Hospital, New Delhi. Welcome to Practo. Back ache at your age can arise due to postural problems or low vitamin D levels. Learn spinal flexion exercises from a physiotherapist and do them 20 mins 3 times a day. Get the following blood tests fasting: calcium, phosphorus, alkaline phosphotase, vitamin D levels, uric acid, CBC with ESR and review with investigations reports. Avoid prolonged sitting, weight lifting and forward bending. Get 1/2 hr of sun exposure everyday preferably in the morning.

Blood Test Report of HLA B 27   is Necessary.