Visit a surgeon, your history is one sided and it is not expected to completely explain the condition, but if you have a hairy area and overweight body habitus and routine of prolonged sitting posture, it could be pilonidal sinus , even if resolution of this condition on conservative management, occurs still residual focus stats in place and may need intervention. .
Next Steps
Visit the surgeon
Health Tips
clip hair if present, check blood
sugar, maintain local hygeine,