I sometimes have bright red blood on stool or in toilet and anus hurts and burns after. is this hemorrhoids or something worse?

Need to examine: What you described is consistent with hemorrhoids. However, even hemorrhoids should be treated and you should see you doctor for an examination and treatment. Wish you good health! - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex, if you have sex.