Butt is itchy... not really inside where the hole is but near opening where cheeks are. i do not have any pimples or anything, just looks irritated.

Need to examine: It is not feasible to provide a meaningful opinion without examining you. The symptoms may be due to incipient hemorrhoids, or a skin disorder. You may try over the counter hemorrhoid medication and if that does not help, see a doctor. For 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. 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. Get HPV vaccine.