yes, metronidazole can cause oral thrush.
not, oral thrush does not cause swollen lymph nodes.
if you THINK you have oral thrush, ask your doctor for a candida culture (oral swab).
does oral thrush cause swollen lymph nodes?
some ppl get fungal infection after use of antibiotic
im positive it's fungal infection but my question was if it's a common side effect of metronidazole
i think (as you described) it's fungal infection (oral thrush), you need antifungal medication.