Once you have the correct dose, remove any air bubbles by tapping the syringe and pushing the plunger slightly
That last number is the critical threshold
For example, meat, poultry and fish contain bacteria, which cause fermentation, which increases the histamine levels
Jomova K, Lawson M, Drostinova L, Lauro P, Poprac P, Brezova V, Michalik M, Lukes V, Valko M (2017) Protective role of quercetin against copper(II)-induced oxidative stress: a spectroscopic, theoretical and DNA damage study
CYP2C19 variants can affect how you respond to SSRIs, clopidogrel, oral progesterone, diazepam, and PPIs
If this occurs, reducing the daily dose will quickly resolve the issue