It could be De Quervain’s Tenosynovitis, thumb sprain or strain,CMC joint arthritis, tendinitis , trigger finger.
Next Steps
• Rest: Avoid activities that worsen the pain and give your thumb time to rest.
• Ice: Applying ice packs to the area for 15-20 minutes several times a day can help reduce inflammation and pain.
• Immobilisation: Using a thumb splint or brace to limit movement and support the joint.
• Pain Relief: Over-the-counter pain medications like ibuprofen or acetaminophen can help alleviate pain and reduce inflammation.