Thanks for contacting healthcare magic. You have problem of hemorroid and rash around anus region. For treatment of hemorroid you have to modify your diet like. .. Avoid spicy foods and fatty foods. Eat fresh fruits and green vegetables. Take high fiber diet like oats,whole grain..etc Avoid excessive straining at toilet. Try to avoid constipation problem by taking proper food. Analgesic cream is helpful for hemorroids. Warm slitz water bath is helpful . Maintain proper hygiene around anus region. You have anal rash that may be anal fissure also.so proper anorecta examination is helpful for further diagnosis. Benadryl cream is antihistamine you can take after doctor s suggestion . Consent a physician for diagnose. I hope my guidance is helpful to you. Take care. Thanks.