If you're not well. Please check your health 1st. But a yellow snake represent a weak enemy. Caucasian. However it did bit you, it means that the venom is already inside. It could be any aspect of your life but check your health 1st. Then financial. Pay attention of anything odd. Even the slightest one. This may not be 100% true cause I don't know you but be careful
"If you are eaten by a snake in your dream, then it means that someone is taking advantage of you. " from Dream Moods.