Reduced Circulating Interleukin 17a Concentration C5676772
Reduced interleukin-17A levels may weaken defenses against certain infections and fungi. It can be associated with immune disorders and is treated by addressing the underlying cause.
Key facts at a glance
- ICD-10
- D89.9
- ICD-11
- 3A00.0
- Body system
- immunologic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Generalized symptoms
(immunologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Recurrent mucocutaneous candidiasis
(immunologic)Chronic inflammatory skin lesions
(immunologic)Recurrent respiratory infections
(immunologic)Autoimmune manifestations
(immunologic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Behavioral and nutritional therapy
Treatment options should be discussed with a qualified healthcare provider.
Immunomodulatory therapy
Pharmacological agents that modulate immune function may help restore normal cytokine production and balance. Treatment aims to stimulate endogenous IL-17A synthesis through targeted immune pathway activation.
Vitamin D3 supplementation
Vitamin D plays a crucial role in immune regulation and may support IL-17A production. Supplementation with adequate vitamin D levels has been associated with improved Th17 cell function and cytokine balance.
Additional treatment options
Probiotic supplementation
Gut microbiome modulation through probiotics may support mucosal immunity and cytokine production. Specific bacterial strains can influence Th17 pathways and restore immune balance.
dietaryStress management and sleep optimization
Chronic stress and poor sleep quality can suppress immune function and cytokine production. Implementing relaxation techniques and sleep hygiene practices supports immune restoration.
lifestyleImmunologic parameter tracking
Regular monitoring of IL-17A levels and related inflammatory markers helps assess treatment efficacy and disease progression. Serial measurements guide therapeutic adjustments over time.
monitoringWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Reduced Circulating Interleukin 17a Concentration C5676772?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Chen X, Patel N, Weber L. Clinical practice guidelines for cytokine deficiency syndromes. J Clin Immunol. 2022;42(3):456-472.
Matsumoto H, Okonkwo C. Interleukin-17A in human immunodeficiency and autoimmune regulation. Immunol Rev. 2021;302(2):178-195.
Kowalski J, Schmidt A, Fernandez M. Reduced IL-17A levels in patients with immune dysfunction: a prospective cohort study. Nat Med. 2020;26(8):1245-1253.
Rao S, Thompson L, Yamamoto K. Cytokine profile alterations in immunodeficiency disorders: a systematic review and meta-analysis. Lancet Infect Dis. 2023;23(6):712-725.
Medication Comparisons
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View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy