Zithromax Z-Pak Side Effects: I am 61 years old and weigh 79 Kgs. i am 175 cms tall. I was give http://www.medications.com/effect/view/15983 I am 61 years old and weigh 79 Kgs. i am 175 cms tall. I was given Azotik - 500 one a day for three days. It contains Azithromycin Dihydrate 500 mg. On the 2nd day of my taking this I noticed drops of blood soon after masturbation which i first thought to b You are a loser. Sat, 23 Jun 2007 05:51:28 -0400 http://www.medications.com/effect/view/15983?item=513 You are a loser. http://www.medications.com/effect/view/15983?item=513