That doesn't answer it at all. Why do you need to go to the doctor for something that basic? Do you also go to the doctor when you get a blister? A 30 secon

That doesn't answer it at all. Why do you need to go to the doctor for something that basic? Do you also go to the doctor when you get a blister? A 30 second google search would tell you what to do if you didn't learn this as a child (is basic health stuff like this really not taught anymore?), and it doesn't require a doctor.