🌿 Folk Prescriptions

Typhoid fever is an acute intestinal infectious disease caused by Salmonella typhi. Infected individuals and carriers serve as sources of infection. Pathogens are excreted via feces, urine, and vomitus, directly or indirectly contaminating water or food, leading to disease transmission. It can occur year-round but is more common in summer and autumn.(I) Diagnosis of Typhoid Fever:1. Epidemiological History: Local typhoid outbreaks; patients have no prior history of typhoid or typhoid vaccine exposure but have close contact with infected individuals.2. Clinical Manifestations3. Laboratory Tests:△ Leukocyte count typically around 3–4 × 10⁹/L, characterized by neutrophil reduction and eosinophil disappearance. Eosinophils gradually increase as the condition improves. Mild proteinuria may appear during high fever; 10–20% exhibit melena or gross hematochezia; fecal occult blood positivity is more common.△ Blood Culture: The definitive diagnostic method. Positive rate reaches 90% between days 7–10, drops to 30–40% by week 3, and is often negative by week 4. Therefore, blood cultures should be performed during the febrile phase, before antibiotics are administered, to maximize positive yield. Blood volume should not be less than 5 ml.△ Bone Marrow Culture: Higher positive rate than blood culture. Particularly suitable for patients who have already received antibiotics and have negative blood cultures.△ Stool Culture: Pathogens can be isolated at any stage. Positive rate is 10–15% in week 1, reaching about 80% in weeks 3–4. About 3% of patients continue to shed bacteria for over a year.△ Urine Culture: Positive rate higher in weeks 3–4, approximately 25%.△ Immunological Testing: Widal reaction has been used for nearly 90 years. O and H agglutinins appear after one week, reaching up to 90% by weeks 3–4, with titers increasing throughout the illness, peaking at weeks 4–6. About 10% of patients remain seronegative. Using standard antigens, non-immunized individuals with O agglutinin ≥1:80 and H agglutinin ≥1:160 have diagnostic value. Titers should be checked weekly; a progressive increase or a fourfold rise in convalescence is meaningful. Elevated O agglutinin suggests Salmonella infection, while H agglutinin helps identify Salmonella groups. After vaccination, H agglutinin levels rise significantly and can persist for years. Other diseases may trigger “recall reactions.” Due to low specificity, interpretation must combine epidemiological data. Recently, counterimmunoelectrophoresis has been used to detect antibodies, offering greater specificity, sensitivity, and speed than the Widal test.(II) Differential Diagnosis of Typhoid with Other Diseases:1. Miliary Tuberculosis: Persistent fever, cachectic appearance, prominent toxic symptoms resembling typhoid. But more prominent night sweats and respiratory symptoms, tachycardia, chest X-ray showing uniform, symmetrical nodular lesions. Responds well to anti-tuberculosis treatment.2. Gram-Negative Bacillus Septicemia: Fever, systemic toxicity, normal or low white blood cell count, possibly relative bradycardia, mimicking typhoid. However, it often originates from primary foci such as biliary, urinary, or intra-abdominal infections. Prone to shock and DIC during course. Though white blood cell count is not high, neutrophil ratio increases. Pathogenic bacteria can be isolated from blood culture.3. Viral Infection: Fever lasting over 10–14 days, normal white blood cell count, no hepatosplenomegaly. Widal reaction and bacterial culture are negative. Self-limiting course.4. Hodgkin’s Disease: Variable fever patterns, sweating, hepatosplenomegaly, lymphadenopathy. No pronounced toxic symptoms, normal white blood cell count. Diagnosis requires lymph node histopathology.5. Brucellosis: Prolonged fever, hepatosplenomegaly, normal or low granulocytes. History of contact with livestock (cattle, sheep, pigs) or consumption of unpasteurized dairy products. Characterized by periodic fever (wave-like pattern), migratory joint or muscle pain, profuse sweating. Brucella can be isolated from blood or bone marrow; Wright agglutination test may be positive.6. Malignant Histiocytosis: Presents with persistent fever, hepatosplenomegaly, leukopenia. Rapid, severe progression, significant bleeding and anemia. Bone marrow shows abnormal enlarged histiocytes with abundant cytoplasm, fine chromatin resembling a network, multiple nucleoli, and abnormal types including lymphoid, monocytic, and multinucleated giant cells.7. Epidemic Typhus: Fever, rash, hepatosplenomegaly. Onset is abrupt, temperature rises quickly, pulse accelerates, rash increases, desquamation leaves pigmentation. White blood cell count normal or slightly elevated, neutrophils increased, eosinophils decreased or absent. Weil-Felix reaction positive. After effective antibiotics (chloramphenicol, tetracycline), fever returns to normal within 24–48 hours.8. Hemorrhagic Fever with Renal Syndrome: Short fever duration with spontaneous resolution, accompanied by edema. Rash is often hemorrhagic. Early and severe renal impairment. Leukocytosis with predominant neutrophils, atypical lymphocytes, and thrombocytopenia. Clinical course has five phases.(III) Modern Medical Treatment:1. General Care:Patients in the febrile phase must rest in bed. After fever subsides, activity can gradually resume according to condition. Monitor temperature, pulse, and blood pressure regularly. Maintain hygiene to prevent bedsores and pulmonary infections. Provide high-calorie, high-nutrient, easily digestible diets. During fever, give liquid or soft, residue-free foods, small frequent meals. In recovery, avoid hard, fibrous, indigestible foods to prevent intestinal bleeding or perforation.2. Drug Therapy:△ Chloramphenicol: 2–3 times daily, 0.5g orally. Reduce dosage by half after normal temperature for 1–2 days. Course: 14–21 days. Intermittent therapy reduces recurrence. Initial dose same as above; after temperature normal, continue for 3 days, stop for 5–7 days, then resume half-dose for about 1 week. Total course same. Check white blood cell count weekly during treatment.△ Compound Sulfamethoxazole: 2 tablets orally each time, course ~2 weeks. Use with caution in sulfonamide allergy, hepatic/renal impairment, and pregnant women (stop breastfeeding during use).△ Ampicillin: Reserved for patients with markedly reduced white blood cells (<3×10⁹/L) or unresponsive to previous two drugs. Due to high concentration in lymph fluid and active excretion via bile with enterohepatic circulation, it is particularly suitable for gallbladder infection, pregnant women, and carriers. Administered intramuscularly or intravenously 3–4 times daily. Course: 2–3 weeks.△ Furazolidone: Low recurrence rate, minimal effect on hematopoietic system. 600–800mg daily, divided into 4 doses orally. After temperature normal, halve dose for 5–7 days before stopping. However, it has slow fever reduction, gastric irritation, and may cause peripheral neuropathy.△ Thiamphenicol: Second-line drug for typhoid. Similar structure to chloramphenicol, slightly weaker antibacterial effect in vitro, minimal bone marrow toxicity. Common dose: 1.5–2g/day, divided into 3–4 oral doses. Same course as chloramphenicol.(IV) TCM Syndrome Differentiation and Treatment:1. Damp Obstruction of Defensive Qi Type:Symptoms: Chills, fever, headache, heavy body sensation, worsening afternoon fever, chest oppression, epigastric fullness, yellowish complexion, white greasy tongue coating, slippery and slow pulse.Treatment: Fragrant pungent dispersion, transforming dampness internally and externally.Formula: Huo Pu Xia Ling Tang modified. Agastache 10g, Pinellia 9g, Red Poria 12g, Apricot Kernel 10g, Coix Seed 30g, Cardamom 10g, Poria 12g, Alisma 10g, Fermented Soybean 12g, Magnolia Bark 12g. Decoct and take orally twice daily.2. Damp Predominance Over Heat Type:Symptoms: Recurrent fever, increased afternoon fever, heavy head and body, fatigue, poor appetite, chest and epigastric fullness, abdominal distension, loose stools, thirst without desire to drink, white greasy or white greasy with yellow tongue coating, slippery pulse.Treatment: Promote qi movement, transform dampness, assist with mild diuresis.Formula: San Ren Tang modified. Apricot Kernel 12g, Cardamom 12g, Coix Seed 15g, Pinellia 10g, Magnolia Bark 12g, Tongcao 10g, Slipstone 20g, Bamboo Leaf 10g. Decoct and take orally twice daily.3. Combined Damp-Heat Type:Symptoms: Gradually rising fever, sweating without relief, thirst without desire to drink, irritability, epigastric fullness, nausea, vomiting, short red urine, loose stool without relief, red tongue with yellow greasy coating, slippery rapid pulse.Treatment: Transform dampness, clear heat.Formula: Lian Pu Yin modified. Coptis 10g, Magnolia Bark, Calamus each 12g, Pinellia 10g, Gardenia 10g, Fermented Soybean 10g, Reed Rhizome 20g. Decoct and take orally twice daily.4. Heat Predominance Over Damp Type:Symptoms: Severe fever, intense thirst, flushed face, profuse sweating, rapid breathing, epigastric fullness, heavy body, yellow slightly greasy tongue coating, large pulse.Treatment: Clear heat, transform dampness.Formula: Bai Hu Tang modified. Anemarrhena 12g, Raw Gypsum 20g, Coptis 10g, Scutellaria 10g, Magnolia Bark 12g, Glycyrrhiza 10g. Decoct and take orally twice daily.5. Heat Entering Nutritive Level and Blood Type:Symptoms: High fever at night, irritability, occasional delirium or unconsciousness, faint rashes, hematochezia, dark red tongue with little coating.Treatment: Clear nutritive level heat, cool blood, disperse blood stasis.Formula: Qing Ying Tang modified. Water Buffalo Horn 30g, Rehmannia 20g, Red Peony 15g, Coptis 10g, Gardenia 10g, Sophora Root 15g, Peony Bark 12g. Decoct and take orally twice daily.6. Qi Deficiency and Blood Collapse Type:Symptoms: Abdominal discomfort, massive hematochezia, sudden drop in fever, pale face, cold sweat, cold extremities, fine rapid pulse.Treatment: Tonify qi, consolidate, stop bleeding.Formula: First administer Dushen Tang, then modify Huangtu Tang. Hearth Soil 30g, Rehmannia 20g, Atractylodes 12g, Prepared Aconite 10g, Donkey Hide Gelatin 12g, Scutellaria 10g, Glycyrrhiza 10g. Decoct and take orally twice daily.7. Dual Deficiency of Qi and Yin, Residual Heat Unresolved Type:Symptoms: Pale complexion, emaciated body, fatigue, weak speech, low-grade fever persisting, fine weak pulse, tender red tongue with dry yellow coating or smooth, hairless coating.Treatment: Tonify qi, generate fluids, clear residual heat.Formula: Zhu Ye Shi Gao Tang modified. Bamboo Leaf 10g, Raw Gypsum, Prince Ginseng each 15g, Ophiopogon 12g, Dendrobium 12g, Chinese Yam 20g, Coix Seed 15g, White Cowpea 20g. Decoct and take orally twice daily.(V) Prevention of Typhoid Fever:△ Control the source of infection: Timely detection and isolation of patients and carriers. After stopping antibiotics, perform urine and stool cultures weekly for two consecutive negative results before lifting isolation.△ Interrupt transmission routes: Especially protect water sources, ensure food sanitation, manage and dispose of feces, sewage, and garbage properly.△ Enhance population immunity: In endemic areas, preventive vaccination is recommended. In China, the combined triple vaccine for typhoid and paratyphoid A and B is commonly used. Adults receive subcutaneous injections of 0.5ml, 1.0ml, and 1.0ml weekly for three doses. To maintain adequate immunity, annual booster is needed. O agglutinin titer rises 2–3 weeks post-vaccination, lasting several months, while H agglutinin titer persists longer. Vaccination greatly reduces incidence.