stone in urinary bladder

Three days back i had a severe pain on the right side kidney area and some sensation and burning feelings in urine area, suddenly vomiting started so i went to hospital they did some test (x-ray, Ultrasound and finally CT Scan) and in CT scan one 6mm stone in urinary bladder is found. Now Urologist has given me medicines like UROCIT- K (Ptassium citrate), OMNC 0.4 mg (Tamsulosin HCI), Zyloric 300 mg, Voltaren 50mg, URAL urinary alkalinizer. and advise to take this for atleast one week and he is expecting that stone should come out through penis while passing urine , now i want to know is this possible that from that small hole of penis , the 6mm stone can come out ? what are the chances , past experiences ? and how long it can take ? If not then what is the solution i heared about ESWL technology which passes x-rays and crust the stone from outside but my urologist said it is not in that area that can be treated with ESWL way and it it wont come out through urine we may pass a niddle and break the stone etc. Please advise also what is the best possible and less painful way to get out of this Stone problem.