Should i see a doctor for constipation prolonged, and a lot of anal bleeding, sometimes stomach pains, also feel very bloated have a hard time passing gas, having hair loss, and i am nauseous seems like everyday?

Yes: It would be prudent to see a doctor. In the meantime increase your intake of fiber and water. You may take a fiber laxative like Metamucil and drink enough water daily so that your urine is colorless. For the long term you may try to increase your intake of fiber foods. Consult this site for fiber foods. http://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/in-depth/high-fiber-f