hello
the melly discharge is due to periapical absecess formed below the root of the tooth
now since its been year since you are carrying this infected tooth ,so chances of having it treated successfully are a little less
howvere what i would advice is that you visit your
dentist , have a radiograph done and see if the tooth can be saved then get the
root canal completed or else get the tooth extracted
dont worry there are different types of anaesthesia .so if you are allergic to any one than another can be used
about your stomach you must be having some infection
in the meantime you visit your dentist i would suggest following medications which will relieve both of your problems
1.
levofloxacin 500 mg twice daily for 5 days
2.
metronidazole 400 mg twice daily for 3 days
3.any pain killer twice daily
and
4 .pan -d twice daily
plus do a lot of luke warm saline rinses
hope that helps