That can be the extra toxin trying to get out of the body while your liver is adjusting to the new change, you might probably need a coffee enema to cleanse the mucus in your colon.
1.Drink plenty of Distilled water mixed with Apple Cider Vinegar, drink much as you can everyday, especially in the morning, 8 to 10 glasses is good.
2.Avoid greasy and heavy food for awhile till the itch and rashes go away, help your liver to mainly focus on the detoxification process.
3.Avoid using the moisturizer and cream for awhile, it can plug your pores and the chemicals in the moisturizers would hinder the healing process , if you really need it to ease the itch, try extra virgin olive oil instead, at least its all natural! If you use deodorants or perfume, stop it for awhile, alot of deordorants in the drug stores contain harmful substance and it can plug the lympharic system, also can be a hinderance.
4.Massage, sauna and scrub can help to activate your lympharic system and blood cirrculation.