IgG deficiency
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What is IgG deficiency?
immunoglobulin G (IgG) deficiency is a dysgammaglobulinemia immune disorder characterized by a reduction in IgG antibodies in the blood stream. IgG antibodies are involved in the body's secondary immune response system.
Common symptoms reported by people with IgG deficiency
Treatments taken by people for IgG deficiency

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Got a question about living with IgG deficiency? Members in the forum might have the answers.
Compare treatments taken by people with IgG deficiency

Let’s build this page together! When you share what it’s like to have IgG deficiency through your profile, those stories and data appear here too.
Got a question about living with IgG deficiency? Members in the forum might have the answers.
Who has IgG deficiency on PatientsLikeMe?
- 0 new patients joined this month
- 183 say IgG deficiency is their primary condition
| Age | Proportion | # of patients |
|---|---|---|
| <20 | 0 | |
| 20s | 9 | |
| 30s | 19 | |
| 40s | 17 | |
| 50s | 19 | |
| 60s | 16 | |
| 70+ | 50 |
| Age at first symptom | Proportion | # of patients |
|---|---|---|
| 0-19 years | 10 | |
| 20-29 years | 4 | |
| 30-39 years | 7 | |
| 40-49 years | 5 | |
| 50-59 years | 1 | |
| 60-69 years | 4 | |
| 70+ years | 0 |
Distribution of sex
| Sex | Proportion | # of patients |
|---|---|---|
| Male | 38 | |
| Female | 237 |
| Diagnosis status | Proportion | # of patients |
|---|---|---|
| Diagnosed | 119 | |
| Not Diagnosed | 2 |