1) It depends on what type of birth control methods you're using (ex: the withdrawal method is not safe)2) Methods such as the pill, condoms, IUD, etc have pretty high effectiveness rates, so if you use one of those you will be safer.
If you don't have vaginal sex, you won't get pregnant.
hormonal Birth Control methods
hormonal birth control methods
A non-estrogen hormonal method or a non-hormonal method is best after PE.
You can use any type of barrier method. That would include condoms or diaphragms. Do not use any drug based methods. The birth control method that would potentially be the most damaging to your child would be the pill or Nor Plant type that work by affecting your hormones.
Condoms and vasectomies are the only reliable types of birth control for men. Any other types of birth control are for women. The withdrawal method is another type for men but is known to be one of the most unreliable when used over many encounters. There is a lot of research money going into a male contraceptive, and one will most likely be found in the next five years. Previous attempts have resulted in drugs that had side effects that reduced a man's desire and were not well received. One promising new method involves stopping the sperm from developing the tail that helps them swim. Also, there is a type of vasectomy that is designed to be reverseable.
Hormonal birth control methods prevent ovulation.
It depends on the type of birth control, usually the white.
Birth control is what is used to prevent unintended pregnancy, there are multiple different types of birth control that work in different ways, it is ignorant to say 'birth control' to mean one specific type of birth control. Without knowing what type of birth control you're referring to we cannot answer your question - some birth control does absolutely nothing to your hormones, some birth control completely shuts down your hormones.
The birth control pill prevents the release of eggs.
Getting the skin infection alone will not affect your birth control. The antibiotics that are commonly given can reduce the effectiveness of some birth control methods. Make sure to tell your doctor what type of birth control you are taking. If you are on any type of pill, you most likely will need to use a back up method until you start a new pack. You should not stop taking the pills in the meantime.