 [ Symptoms ] how can i minimize withdrawal symptoms while cutting back on caffeine [ Disease ] well individuals with low igg levels tend to get infection more frequently as igg antibodies are responsible for preventing infection in the body so in case of igg deficiency the body tend to get frequent infection so you should consult an immunologist and get evaluated and igg replacement therapy can help in reducing the frequency of infection in case if you get infection you should immediately get a proper treatment to avoid worsening hope this helps regards