Skip to content
Photo of Ephedra

Ephedra

麻黄 · Má Huáng

Classical asthma and cold-fighting practitioner herb

Properties

WarmingWarming botanicalPungent, Bitter

What it does

Ephedra opens stuffed airways and breaks early fever-and-chills colds by triggering a sweat. In TCM, it's used at the start of wind-cold patterns, when you feel chilled and congested but haven't started sweating. It also reduces edema by ramping up urination. The active alkaloids became the basis for modern decongestants and asthma drugs, until regulators restricted them.

How to take it

Drink

Used only by trained practitioners in classic formulas like Ma Huang Tang. Typical dose 3–9g of dried stem, decocted, short-term only. Banned in many countries for OTC use.

Avoid self-use. Modern decongestants and asthma medications are safer

Safety

  • Controlled substance. Banned for over-the-counter sale in the US since 2004
  • Stimulant effects. Risk of heart palpitations, hypertension, and stroke
  • Strictly avoid during pregnancy and breastfeeding
  • Skip if you have heart disease, hypertension, hyperthyroidism, or anxiety
  • Talk to your doctor before starting, especially if you take medication

Where it comes from

Ephedra (Má Huáng) is among the oldest documented TCM herbs, recorded in the 2nd century classic Shāng Hán Lùn. Its ephedrine alkaloids led directly to modern decongestants like Sudafed (pseudoephedrine) and asthma drugs. In the early 2000s, ephedra-containing weight loss supplements caused multiple deaths and were banned in the US in 2004. Three modern reviews track the herb's pharmacology and safety.