소변에 거품이 나오는 이유?

<img src="https://t1.daumcdn.net/cfile/cafe/03533E3350A59EF833" class="txc-image" width="644" height="371" style="WIDTH: 644px; FLOAT: none; HEIGHT: 371px; CLEAR: none" alt="더블클릭을 하시면 이미지를 수정할 수 있습니다" actualwidth="940" border="0" hspace="1" vspace="1" id="A_03533E3350A59EF833C4D8"/>   소변에 거품이 나오는 이유?   <DIV> 얼굴이 붓고 오줌에거품 냄새독함   <A class=tx-link href="http://cafe.daum.net/hyoosodiet/EowR/133" target=_blank><IMG style="FLOAT: none; CLEAR: none" id=A_1256613550A575D0181709 class=txc-image border=0 hspace=1 vspace=1 src="https://t1.daumcdn.net/cfile/cafe/1256613550A575D018" width=695 actualwidth="695" id="A_1256613550A575D0181709"/></A> <A class=tx-link href="http://cafe.daum.net/hyoosodiet/EowR/133" target=_blank><IMG style="FLOAT: none; CLEAR: none" id=A_1957D23450A5756F248D36 class=txc-image border=0 hspace=1 vspace=1 src="https://t1.daumcdn.net/cfile/cafe/1957D23450A5756F24" width=678 actualwidth="678" id="A_1957D23450A5756F248D36"/></A>   <DIV style="PADDING-BOTTOM: 16px; PADDING-LEFT: 61px; PADDING-RIGHT: 40px; PADDING-TOP: 0px"> <DIV class=mail_con> <DIV class=mail_con> <DIV style="TEXT-ALIGN: left" class=mail_con> </DIV></DIV></DIV></DIV>    </DIV>