Need help ASAP informed guinea pig owners!?

  i have 2 guineas ni put in my bathroom to run around ni have put hideouts along with homemade toys and some veggies, they just started fighting i believe both of them are humping eachother, some in the face and also nipping at eachother in the face. .. i hear them making there normal noise. what shouldj i do? please help!
If there was not blood drawn, THIS IS NORMAL. People are telling you to seperate them, but if they are not hurt (bleeding, limping , ect) then THIS IS NORMAL. Its dominance, they are just lettn 'eachother know whos boss, or trying to figure it out. Mine do this (they are both males!) Don't freak out! It's fine, let them sort it out themselves, if you need more information, you can message me on my youtube account (this account is all about guinea pigs!) There is alot of information, my very first video is my guinea pigs being introduced, they did the same thing you just explained, its normal, watch it, you will feel better about it! My guinea pigs are doiong great, they still do this sometimes, it is completely OKAY.
Yes, unless they are drawing blood, this is perfectly normal behavior to establish dominance. Females will do this, too. I house my 'mature' boars separately or with rabbits since I have sows in smelling distance but have successfully kept boars together in herd settings - very large enclosures. If the boys get too rough, keep them apart.
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All that aside, if you are determined for them to have together play time and are worried about the impact of hormones on that, consider getting one or both of them neutered. Check with a local guinea pig rescue to get a good recommendation since although many vets will do the surgery, not many of them have lots of experience with cavies after vet school. Rescues get to know which vets handle 'exotics' best.
They seem to be dominance fighting, as long as they don't draw blood or look to be really hurting each other, leave them be. They have to sort this out. Humping is also a dominance thing, so don't be concerned if you are sure they are both males.
if they arent hurting eachother then its probably just fighting over dominance if you dont let it play out it can last a long time. One of them will alwas be domiante, its just the way it is.
If they are same sexed then you have a problem . If they are they need to be isolated from the other.
seperate them fast! they could get very injured or hate eachother forever. also not to be rude but why ru on Y/A when your pigs are in the middle of a fight? wouldnt you be helping them ....???
They might have just gone throuugh puberty that can make them hate eachother seperate them and you will need another cage.