corticosteroid
Biology
Physiology
Examples of corticosteroid in the following topics:
-
Alopecia
- In cases where there is severe hair loss, there has been limited success in treating alopecia areata with oral corticosteroids, corticosteroid injections, or corticosteroid cream.
-
Adrenal Medulla
- The adrenal cortex is devoted to the synthesis of corticosteroid and androgen hormones.
-
Systemic Lupus Erythematosus
- SLE is treatable using immunosuppression, mainly with cyclophosphamide, corticosteroids, and other immunosuppressants; there is currently no cure.
- Treatment can include corticosteroids and anti-malarial drugs.
- Disease-modifying antirheumatic drugs (DMARDs) are used preventively to reduce the incidence of flares, the process of the disease, and lower the need for steroid use; when flares occur, they are treated with corticosteroids.
- Unlike immunosuppressives and corticosteroids, IVIGs do not suppress the immune system, so there is less risk of serious infections with these drugs.
-
Hormonal Regulation of Stress
- The adrenal cortex is stimulated by ACTH to release steroid hormones called corticosteroids.
- Corticosteroids turn on transcription of certain genes in the nuclei of target cells.
- There are two main corticosteroids: glucocorticoids, such as cortisol, and mineralocorticoids, such as aldosterone.
- Hyposecretion of the corticosteroids can cause Addison's disease, which may result in bronzing of the skin, hypoglycemia, and low electrolyte levels in the blood.
-
Adrenal Gland Disorders
- Causes of acute adrenal insufficiency are mainly Waterhouse-Friderichsen syndrome, sudden withdrawal of long-term corticosteroid therapy and stress in patients with underlying chronic adrenal insufficiency.
- The latter is termed critical illness–related corticosteroid insufficiency.
-
Adrenal Cortex
- The adrenal cortex is devoted to the synthesis of corticosteroid and androgen hormones.
-
Asthma
- Symptoms can be prevented by avoiding triggers such as allergens and irritants and by inhaling corticosteroids.
- Leukotriene antagonists are less effective than corticosteroids and thus less preferred.
- Cigarette smoking and second-hand smoke (passive smoke) may reduce the effectiveness of management medications such as steroid/corticosteroid therapies.
-
Impingement Syndrome
- Therapeutic injections of corticosteroid and local anaesthetic may be used for persistent impingement syndrome.
- The total number of injections is generally limited to three due to possible side effects from the corticosteroid.
- Corticosteroids actually cause musculoskeletal disorders, which explains the low success rate of cortisone injections.
-
The Complement System and Heart Disease
- Therapy will involve intensive cardiac care and immunosuppressives, including corticosteroids, which are helpful in the acute stage of the disease.
-
Muscular Atrophy