Your best options include Lamisil, Lotrimin Ultra, and/or Naftin. These are more expensive, but they will get rid of jock itch faster.  Prefer Lotrimin Ultra which contains Butenafine Hydrochloride over regular Lotrimin AF which just contains clotrimazole.  Studies have shown Butenafine can be faster and more effective than clotrimazole.  Furthermore, generic clotrimazole can be purchased for as low as a dollar a tube whereas regular Lotrimin AF (containing clotrimazole) can retail for up to 10 times that amount.   Try asking your doctor for a prescription anti-fungal cream. This may make the cost of the medication a little less expensive. You can also purchase cheaper creams containing clotrimazole or miconazole. These will take a little longer to work, but they will effectively wipe out jock itch.  Even when the symptoms disappear, you need to apply cream to your groin area for the amount of time specified on the package. Just like you take antibiotics until all of the medicine is gone, you need to follow the full treatment regimen using your cream. Treat athlete's foot at the same time if you have it. Doing this will decrease the risk for recurrence. Make sure to dry yourself thoroughly after a shower because fungus thrives in warm, moist environments. When you can, either go without underwear or go naked to expose the affected area to air. When that's not feasible, at least wear boxers instead of briefs. Avoid tight underwear and tight pants of any kind. Scratching will irritate the rash and could break your skin, creating the potential for infection.  Trim your nails if you can't stop scratching. Wear gloves when you're trying to go to sleep at night. Take a cool bath for relief. Sprinkle the water with uncooked oatmeal, baking soda or a substance called colloidal oatmeal (Aveeno is a good brand) that is made specifically for the bath. Just dry your crotch thoroughly when you get out of the tub. This powder has a soothing effect and it can help to provide some relief as well. It also contains a baking...

How would you rephrase that briefly using Chinese?
使用抗真菌药膏。 保持皮肤的清洁和干净。 避免穿那些刺激或者摩擦胯部的衣服。 抑制自己抓挠的欲望。 使用Bond药粉。 如果鳞状的红疹几周后不消退的话，请去看医生。