It must be due to anal fissure and doesnt seem like an emergency to consult the same day, you can visit the next day as well. Kindly consult a surgeon/ proctologist or connect for further management
Next Steps
add plenty of fibers in your diet
avoid spicy oily fried and non veg food
plenty of fluids
sitz bath 2 times daily with luke warm water (10ml betadine solution)