Personally, I'd prefer anti biotics
over the horse stuff as the horse stuff is not usually approved for human use
(better antibiotics than cancer?) however, if she hasn't ever had
antibiotics one wouldn't know if she were allergic or not, so I would be careful
to make sure there wasn't a reaction.
My son just had a staph infection
which looked pretty nasty--you don't want it to spread to the bloodstream--he is
now on antibiotics for it and it started looking better w/in taking two
pills. My brother also had poison ivy/oak which ended up getting infected
and had to go on antibiotics for it also. Better safe than sorry.
But I'm sure there are others w/ other opinions (I know a guy who has taken bute
his whole life and swears by it instead of aspirin and he is still alive and
kicking at 45! :>)
If you want you could draw a circle
w/ a pen around the redness of her infection and if it streaks out of that or
grows outside of the pen marks, you would know to get her on the pills right
away.
Hope this helps--it's always scary
when it's your baby (horse or human!).