It sounds like you may have strained or injured muscles or ligaments in your lower back on the right side, possibly due to an unusual movement or posture while lifting the 15 kg weight.

🩺 Possible Causes

• Muscle strain or ligament sprain from lifting, especially if the movement was awkward or sudden.
• Mild soft tissue injury causing inflammation and pain that worsens with walking due to movement stress.
• Less likely but possible nerve irritation if pain radiates or worsens with certain positions.

🏥 What You Can Do Now

• Rest and avoid heavy lifting or activities that worsen the pain.
• Use over-the-counter pain relief or prescribed muscle relaxants like Epripride Capsule (which contains Eperisone and Diclofenac) if recommended by your doctor.
• Apply ice or heat to the painful area to reduce inflammation and ease discomfort.

⚠️ When to See a Doctor

• If pain worsens, spreads, or is accompanied by numbness, weakness, or bladder/bowel changes.
• If pain does not improve with rest and simple measures within a few days.
• If you have a history of spine problems or other medical conditions affecting your back.

Consult an orthopedic specialist or a spine specialist for a thorough evaluation and personalized treatment plan. They can assess for any serious injury and guide appropriate care.To narrow down potential causes, we will need some more information.I understand you're experiencing back pain. To help me understand better, could you please share your age and gender?