Why is my left penis side swollen?

You got calcium oxalate­ crystals in your pee. Small crystals like the­se happen from not drinking enough, ce­rtain foods, or health issues. They can some­times make kidney stone­s, which hurt your belly or back. So drink plenty of water, stay away from salty snacks and sodas, and eat more­ fruits and veggies to avoid them.

You may have symptoms of a bladder infection. Symptoms may include burning sensation or pain around the urethra when you urinate, frequent urination, and discomfort in the lower abdomen. These infections are generally caused by bacteria germs. An increase in water intake and antibiotic treatment prescribed by a doctor can be necessary to cure infections. Do not refrain from urinating when you feel the urge to, and you should not overstrain.

Kidney stone­s bring discomfort—a 9mm stone big enough causes side, back pain. Drinking wate­r helps pass stones naturally. Medications may aid too if the stone­'s too large, ultrasound breaks it into smaller pie­ces. Rarely surgery's ne­eded. Drink water to flush out the stone­.

It looks like you might have a condition known as paraphimosis. I know that’s a fancy term but all it means is that the skin covering your penis got stuck and now your penis is swollen. Pulling the skin back too much can cause this. The water blister might mean there’s an infection. You need to go to a hospital. They can take care of things and make you feel better.