Several infectious skin diseases also cause a rash. These can be caused by a number of infections with bacteria or viruses, and infestations of mites within the skin. Some infectious skin diseases, such as scabies, are caused by mites that bore into the skin surface causing irritation and a localised rash.
Now, as for your question about when to start taking oral contraceptives, there's really no hard-and-fast rule about when to start taking birth control pills. Starting in the first few days of your cycle is the surest way to prevent inadvertently taking pills while you are pregnant.
It is important to go straight from one birth control method to the next, with no gaps in between. This will help lower your chance of getting pregnant. If you take birth control pills, you do not need to finish the pill pack before switching to another method. You can stop taking your pill at any point in the pack.If you are switching to pills from another method, you should start by taking the first pill in the pack.These rules also apply to switching from one kind of pill to another kind of pill. You may have changes in your period after switching birth control methods. This is normal.t is important to go straight from one birth control method to the next, with no gaps in between. This will help lower your chance of getting pregnant. If you take birth control pills, you do not need to finish the pill pack before switching to another method. You can stop taking your pill at any point in the pack.