Hi,
Some foods can produce this smell [high protein, heavy drink]
sinusitis. If you have any symptoms [nausea, appetite related, abdominal pain] then its bacterial infection H.pylori [have simple tablet treatment].
Urinary tract [if pain or burning in urinating,
pelvic pain, fever etc], to involve kidneys it needs [many symptoms like
dizziness, swelling, rashes, itching, pain short breath].
Avoid those foods, brush and use mint/basil. If any above symptoms are there then definitely go to physician needs some simple lab tests and all above mention are easily treated. Psychological or stress anxiety if develops [join online
breathing exercise like art of living happiness programme ombw have no side effects]. Don't directly start any anxiety/antidepressants drugs.
Take care. Hope I have answered your question. Let me know if I can assist you further.
Regards,
Dr. Sunny Madar, General & Family Physician