Do you have any weakness in legs?
Do you have any urinary incontinence/difficulty in urination?
If answer is no to the questions above, sciatica can be treated with medications and physiotherapy successfully 80% of the time.
Next Steps
consult a Neurosurgeon for proper evaluation.
Get an MRI lumbosacral spine. Based on your condition and MRI images, further treatment can be opined.
Health Tips
Do not lift heavy weight.
Do Back strengthening exercises of pain is tolerable.
Maintain good posture while sitting- Sit erect, sit on a chair appropriate to your height.
You can keep a pillow under the knee to flex the knee while sleeping. This will reduce the stretch on sciatic nerve and reduces pain.