Healing crisis.
What you are likely experiencing is a 'healing crisis'

In other words, often, when one uses herbs, veggies, etc.
to try to 'fix a situation,
your body will seem to get more ill as it throws off and washes out toxins that are causing the original imbalance...

Making sense? Can you hear me now?

Stick with it,
your lymph nodes are part of your 'washing out' system,
they are working hard right now, give them a chance.