Pigweed: Uses, Contraindications, and Dosage

January 7, 2024

Pigweed is a perennial herbaceous plant that can grow up to 20-50 centimeters tall. It is distributed in Yunnan, Sichuan, Shaanxi, Gansu, Shanxi and other regions. Pigweed has the function of clearing phlegm, so it is used to treat chronic bronchitis. Who is suitable to use pigweed as a Chinese herbal medicine, and what are the contraindications?

 


Pigweed

  Prescriptions for treating diseases with pigweed

  ①Treatment of pulmonary hemorrhage due to lung heat: pigweed, red grass, sanpi feng. Decoction and take orally. ("Sichuan Chinese Herbal Medicine Annals")

  ②Treatment of rheumatoid arthritis: one or two liang of fresh ironweed, soaked in one jin of alcohol. Take a small cup (about two liang) warm. ("Quanzhou Materia Medica")

  ③Treatment of urinary stones in children: two qian of pigweed, three qian of gujing grass. Decoction and take orally. ("Guizhou Folk Medicine")

  ④Treatment of hematuria and urinary dribbling: five qian of pigweed, haixinsha, and tiesiniu. Decoction and take orally. ("Guizhou Folk Medicine")

  ⑤Treatment of urinary tract infection and stones: three to five qian of pigweed. Decoction and take orally. ("Yunnan Selected Chinese Herbal Medicine")

  ⑥Treatment of skin itching and dermatitis: two liang of fresh ironweed, decoct and use the soup to wash. ("Quanzhou Materia Medica")

  ⑦Treatment of mastitis and blocked milk ducts: three to five qian of pigweed. Decoction and take orally, sweet wine as a guide. ("Yunnan Selected Chinese Herbal Medicine")
 


Pigweed

  Suitable population for pigweed

  Mainly for colds with fever; lung heat cough; damp heat diarrhea; dysentery; cloudy urine; leukorrhea; mammary abscess; lymphadenitis; carbuncle and furuncle; burns; snake bites.

  Contraindications for pigweed consumption

  1. Pregnant women

  Not recommended. It is better to avoid eating during pregnancy to prevent adverse effects on the normal development of the fetus.

  2. Menstruation

  Not allowed, it is contraindicated during menstruation. Women are generally physically weaker during menstruation, so caution is advised.

  Dosage and usage of pigweed

  Oral intake: decoction, 0.5-1 liang; or soaked in alcohol.

  External use: decoction for washing or powdered for application.

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