Can help you with the next course of action and treatment plan. Would like to discuss in details and provide apt solution. Kindly consult. 

I understood your concern  and noted the problem as well .I need to ask few more details to make a diagnosis and start treatment and advice which suits you. Pl consult me on Practo , so that I can help you better.book a time slot as per your convenience for consultation.

yes

Can help you, kindly consult and provide detailed history for proper diagnosis and further management

I don't know how you trim your own hair from the pilonidal sinus.  In fact you can't see the pilonidal sinus. Please consult with a General Surgeon for a physical examination and proper diagnosis of your problem.

Yes.Pilonidal disease affects the buttock crease area. Hair often grows in the cleft (crease) between the buttocks. These hairs can traumatize and penetrate the skin at the top of the buttock crease. Hairs can get caught under the skin in this area.  This can result in irritation, infection, and formation of an abscess. 

According to your sign and symptom you have query about pilonidal disease . It's possible there can be tract .

Consult a general surgeon

Best to get a surgical opinion