It's always better to consult doctor personally. Though bleeding per rectum is most commonly  due to hemorrhoids but there are certain other causes which are to be ruled out. In addition treatment of hemorrhoids depend upon grade of piles, so every time it may not improves with medication. Sometimes requires Endoscopic management and rarely surgery.

Yes. Some MEDICINES can be provided on the basis of history. A detailed history and Possibly a picture of the swellings can help in reaching a provisional diagnosis.