This is a normal detox reaction especially for someone who may have toxic blood caused by viruses such as Epstein Barr, and bacteria such as Streptococcus; which can be a low grade infection that someone can have for years.
Celery juice is very healing, and the mineral salts will begin to kill off pathogens like viruses such as Epstein Barr and Shingles, as well as bacteria such as Streptococcus.
Giving some people who may already be feeling symptoms on–and–off in their life such as : fatigue and other symptoms, a temporary feeling of the symptoms coming back.
These symptoms will be short and brief.
This is a powerful healing step that celery juice can offer for long term future health — WITHOUT symptoms.