description of your symptoms points to external hemorrhoids or anal fissure.uou can sit in warm water for 15 minutes twice daily ,take care of your constipation which will worsen your condition.
Next Steps
If it is bothering you consult with your doctor for physical examination and your chest tightness issue.
Health Tips
Drink lots of water
high fibre diet
eat lots of vegetables
you could use stool softener
apply anti hemorrhoids cream