hello and welcome to HCM forum ,
i would like you to know that pus from the abscess
is draining and it might cause the infection to spread to adjacent tissues, therefore it is very important to see a dentist
Infection(pus) won't disappear on its own until the tooth is treated, a dentist knows better on how to treat it, either extraction or root canal treatment
might be required.
therefore, avoid poking the abscess by unsterilised means. A complete course of antibiotics and inflammatory medication is needed to resolve the infection completely ,besides dental work.
i hope i answered your query,
i wish you good health,