Chronic giardiasis has next usual symptoms: pain centered in the right side just below the lowest ribs. especially after fatty meal. There is also a dry mouth, bitter taste and nausea. Usually appetite is reduced (hyporexia), relevant headaches, dizziness. The tongue is covered by yellowish coating.
If your tests showed the presence of Giardia you can try beet juice.
This is a very effective recipe of Giardiasis treatment with birch.
Birch (Betula) has traditionally been used in medicine. Drug from birch leaves and buds have been used for treatment of avitaminosis, inflammation of the bladder, atherosclerosis, chronic kidney disease, as well as a choleretic and expectorant. Also birch has long been used as a remedy for intestinal parasites.
Here are two recipes: