Foamy urine that rarely occurs or appears occasionally, most likely is not something to look out for. However, it is another story if urinating is foam often, or accompanied by other complaints such as body swelling and pain during urination. Urine or urine is normally golden yellow and clear, or slightly dark. The texture is runny and not bubbly. However, sometimes there is a change until the urine looks foamy. There are various factors that can cause these changes, it could be due to certain diseases or due to side effects of drugs. Various Causes of Foamy Urine If your urine appears foamy, this could be because your bladder is filled with urine. When the bladder is too full, for example as a result of holding urine, urine that comes out will be swifter, causing the formation of bubbles or froth in the toilet. Sometimes, even foamy urine can occur if you don't drink enough or are dehydrated. In addition, certain drugs to treat urinary tract infections, for example phenazop...