Hello dear
Warm  welcome to Healthcaremagic.com
I have evaluated your query in details  .
* Possible 
anal fissure or 
hemorrhoid .
* Needs consulting with consultant surgeon for the proctoscopy evaluation
   and further management .
* Primary guidelines till that period 
Drink plenty of liquids .
Prefer  soft , light  diet  with more of green leafy veg , whole grains , cereals , pulses , legumes , organic  fresh  fruits .
Avoid  all  types  of  oily , spicy , non veg , hot beverages , junk foods , dairy fat .
Manage to have smooth bowel passage with the help of bulk forming laxatives as Ispaghula husk with lukewarm drinking  water .
Tab. 
Ibuprofen ( 400  mg ) after  meals  for  control of pain , burning  if no history of drug sensitivity .
Xylocaine ( 5 % ) jelly application over the anal part gives soothing  action .
Sitz bath ( sitting in a tub filled with lukewarm water 5 minutes each  3 times a day  and  additionally  after  passing  stools ) helps .
Avoid long drives , sitting prolong on hard surfaces .
Control of blood sugar , 
cholesterol , body weight .
Avoid 
smoking , alcohol if consuming .
Hope this  will help  to clear your doubt   .
Wishing you fine recovery .
Always welcome for any further assistance anytime .
Regards  .
Dr. Bhagyesh ( MS , FMAS - consultant surgeon )