The effects and contraindications of fried mustard seeds

White mustard seed is prepared by frying raw white mustard seed. After frying, the dispersion of white mustard seed is reduced. White mustard seed is warm in nature. It has the effects of warming lung and resolving phlegm, regulating qi and resolving masses, dredging collaterals and relieving pain. It can be used to treat cough, chest distress, phlegm difficult to cough up caused by cold phlegm and saliva accumulation, such as bronchitis, pneumonia, pleurisy, pleural effusion, etc. It can also treat carbuncle swelling caused by phlegm and dampness flowing into the body, carbuncle swelling mass of unknown cause, belonging to cold nature, negative nature, numbness of limbs or joint swelling caused by phlegm and dampness blocking meridians, etc., which can be taken orally, can also be ground for external application, and appropriate amount for external use. However, clinical attention should be paid to the use of fried white mustard seed for patients with excessive yin deficiency and internal heat.