Thanks for the query.
You might have developed recurrent folliculitis
These are deep bacterial infections.
Hairy areas are more prone to get infected,
Treatment is with antibiotics,
An antibiotic powder spray will be much better.
Yes you can go for waxing.
Less hair will reduce chances of infection.
Please meet a dermatologist
for exact diagnosis.
Let me know if you have any other doubt.
you can ask a direct question to me on this forum, following the below link.
Wishing you a good health.