What is Fu Xiao Mai? Are wheat, Mai Ya and Ma Huang Gen the same?
Fu Xiao Mai (浮小麦) is the dried light, shriveled fruit of Triticum aestivum. The standard name is Tritici Levis Fructus; it is listed in the ministerial crude-drug standard, not plump food wheat. Mai Ya is germinated barley: moves qi, disperses food and stops lactation. Ma Huang Gen is sweet-neutral: secures the exterior and stops sweating; it is the root of ephedra, not the herb. Write Fu Xiao Mai. Use caution when an exterior pathogen is not cleared.
What are the TCM properties and traditional uses of Fu Xiao Mai?
The ministerial standard records Fu Xiao Mai as sweet, salty and cool, entering the Heart channel, and acting to boost qi, stop sweating and eliminate heat. It is used for spontaneous sweating, night sweating, yin-vacuity fever and steaming-bone taxation heat. Sweet-salty, cool and astringing, it suits vacuity sweating and steaming bone—not an uncleared exterior pathogen, vexation without sweating, or collapse sweating.
Does Fu Xiao Mai need special processing? Can food wheat replace it?
After harvest, collect the light shriveled grains and sun-dry them. Slight dry-frying is preferred for stopping sweat. Plump wheat is a food; it cannot replace constraining sweat and eliminating heat by equal weight. Germinated barley disperses food and stops lactation—the opposite direction. Commercial blighted-wheat tea is not equal-weight pieces.
What is the usual dosage? Can it be drunk daily as a sweat-stopping tea?
The usual decoction dose is 15–30 g. It is not a four-season “blighted wheat sweat tea.” An uncleared exterior only closes further as it astringes. Spontaneous sweating and night sweating need a practitioner to name a short course; it does not replace thyroid and infection assessment.
What are the contraindications? Can it be used in pregnancy?
Unsuitable when an exterior pathogen is not cleared and sweating is present. Avoid in vexation without sweat and in collapse sweating. Pregnancy needs a practitioner’s assessment. Stop if absence of sweat with high fever appears. Profuse sweat with cold limbs and chest pain are emergencies.
Can Fu Xiao Mai boost qi, stop sweating and eliminate heat?
It can help qi-vacuity spontaneous sweating and yin-vacuity night sweating. Qi-vacuity spontaneous sweating joins astragalus, calcined oyster shell and ephedra root in Mu Li San, often decocted with blighted wheat. It boosts qi, stops sweating and eliminates heat—not a specific for every sweat or every tidal heat.
Can Fu Xiao Mai be drunk daily as a sweat, fever or calm tea?
Vacuity sweating and steaming bone may enter a short formula; an exterior pattern only closes further as it astringes. “Blighted wheat must stop every sweat” does not replace assessment of the cause of sweating. Boosting qi, stopping sweating and eliminating heat should name 15–30 g, raw or slightly dry-fried.
How do you choose among Fu Xiao Mai, Ma Huang Gen, calcined Mu Li, Huang Qi and Mai Ya?
Blighted wheat is sweet-salty and cool: boosts qi, stops sweating and eliminates heat—spontaneous sweating, night sweating and steaming bone. Ephedra root is sweet-neutral: secures the exterior and stops sweating—vacuity spontaneous sweating. Calcined oyster shell is salty and slightly cold: constrains and secures, heavily settles and calms the spirit—spontaneous sweating, night sweating and seminal emission. Astragalus is sweet and slightly warm: supplements qi, raises yang, secures the exterior and stops sweating—qi-vacuity spontaneous sweating. Germinated barley is sweet-neutral: moves qi, disperses food, fortifies the Spleen, opens the appetite and stops lactation—food accumulation and weaning, not a sweat-stopping herb. Vacuity sweating and steaming bone favor Fu Xiao Mai (Mu Li San); qi-vacuity exterior weakness favors Huang Qi with Ma Huang Gen; slippery emission favors calcined Mu Li; food accumulation and stopping lactation favor Mai Ya. They may be paired; an uncleared exterior forbids astringing sweat with Fu Xiao Mai, Ma Huang Gen and calcined Mu Li.
Which herbs is Fu Xiao Mai combined with? What are the representative formulas?
Qi-vacuity spontaneous sweating joins astragalus, calcined oyster shell and ephedra root in Mu Li San. Yin-vacuity night sweating may join lycium bark and Rehmannia after pattern differentiation. Write Fu Xiao Mai 15–30 g; do not replace it with germinated barley or plump wheat.
How do you choose and store Fu Xiao Mai?
Choose slender, light, shriveled grains, pale yellow outside, starchy on the cut face, with a weak odor and a bland taste. Moldy, moth-eaten, plump heavy or dirty lots are discarded. Store dry against moths. Buy Fu Xiao Mai; do not replace boosting qi, stopping sweating and eliminating heat with germinated barley or food wheat by equal weight.