According to the U.S. National Library of Medicine, other causes of sciatica may include:
• Tumors
• Piriformis syndrome (a pain disorder involving the narrow muscle in the buttocks)
• Slipped disk
• Pelvic injury or fracture
In the article for Spine-Health.com, author Dr. Stephen H. Hochschuler stated the following are symptoms of sciatica:
• A sharp pain that may make it difficult to stand up or to walk
• Burning or tingling down the leg (vs. a dull ache)
• Constant pain in only one side of the buttock or leg (rarely can occur in both legs)
• Weakness, numbness or difficulty moving the leg or foot
• Pain that is worse when sitting
• A constant pain on one side of the rear
The sciatic nerve generally doesn’t require extensive treatment as the symptoms usually subside. However, at-home treatments for sciatica include an over-the-counter pain reliever and ice.
https://www.empowher.com/sciatica/content/sciatica-overview