Hello,
From the looks of it, it seems reactionary to the spicy food you consumed.
Are you passing blood in stools?
Are you passing hard stools?
Itching around the anal region?
Next Steps
Drink plenty of water, avoid oily and spicy foods and try to include fibre into your diet
You can apply Anobliss ointment around the anal region which should help with the pain and burning sensation
Health Tips
If there is blood in stools/uncontrollable pain, consider visiting your surgeon at the earliest