Hi this pain is typical symptom of Sciatica pain, means sciatic nerve is under compression, for further details it needs a complete Assessment & may or may not require an MRI done.
If it is confirmed then no need to worry about as it has 100% recovery chances through pain management & physical exercises.
At last u need to follow all instructions given by ur treating doctor.
For theFurther details & related patients recovery videos like our facebook page @proankit
Next Steps
Have some Hot compression if it is older then week.
Health Tips
Avoid movements like forward. bending or which is increasing pain.