Systemic Treatment for Eczema

1. Antihistamines: e.g., Chlorpheniramine 4mg, 3 times daily, oral. Cyproheptadine 2–4mg, 3 times daily, oral. Cetirizine 10mg, once daily, oral, etc.
2. Sedative and anti-pruritic agents: For patients with mental disturbances or poor sleep, chlorpromazine 12.5–50mg, 3 times daily, oral may be used appropriately. Perphenazine 8mg daily, divided into 1–2 doses orally. Meprobamate 0.2–0.6g, 3 times daily, oral. Chloral hydrate 10% solution 5–10ml, diluted 1–2 times with water, taken orally half an hour before bedtime, etc. However, note that these drugs themselves occasionally cause allergic reactions; thus, a detailed medical history should be obtained before use.
3. Calcium preparations: e.g., Calcium gluconate injection 10%, 10ml, diluted with equal amount of glucose solution, slowly injected intravenously, once daily or every other day.
4. Intravenous封闭 (closed) therapy: Add 0.25% procaine 10–20ml to vitamin C 1–2g, inject intravenously, once daily or every other day, 10 sessions constitute one course.
5. Vitamin supplements: e.g., Vitamin C 0.2g, 3 times daily orally. Vitamin B12 0.2mg, 3 times daily orally. Vitamin B6 20mg, 3 times daily orally.
6. Corticosteroids: If skin lesions are extensive and inflammation is severe, and previous methods fail, consider using steroids. E.g., Oral prednisone 5–20mg per dose, 3–4 times daily.
7. Histamine globulin: A prepared injection made by mixing hydrochloric histamine and gamma globulin. Each 2ml contains hydrochloric histamine 0.15–0.2mg and gamma globulin 12mg. Adults receive subcutaneous injection of 2ml every 3–4 days; children under 5 years old receive 1ml, 3–6 sessions constitute one course.