How to use plaster correctly?

The cold season is the season of chronic diseases such as rheumatoid arthritis, and of course it is also the time when all kinds of plasters show their talents. The plaster of Chinese medicine in the motherland has a high utilization rate in winter. The scientific name of plaster is Chinese medicine bone-setting agent, which is mainly divided into two categories: black plaster and rubber plaster, and has been used in China for a long time. The preparation and application of plasters were recorded in Gehong's Elbow Spare Prescription in Jin Dynasty, and there were also monographs on plasters in Qing Dynasty. Since19th century, the number of plasters made of rubber matrix has gradually increased. By softening the stratum corneum of human skin and dissolving sebum, various fat-soluble, volatile and irritating drugs can penetrate into the skin in the form of passive diffusion to produce therapeutic effects, and the time after drug absorption is much longer than other external preparations such as ointment, which is beneficial to the reasonable absorption of drugs.

Plaster has pharmacological effects of protection, blocking treatment and improving human immunity. For example, the common plaster used in nursing can fix the dressing and protect the wound on the skin. The medicine containing ointment has the functions of external treatment and internal treatment, such as treating rheumatic joint pain, traumatic injury, furuncle and so on. Before plastering, the affected area should be cleaned first. You can wash the affected area with warm water or medical alcohol to avoid bacteria growing on the skin surface when taking the medicine. Some people's hair grows too long and too dense, which will affect the medication and should be shaved off properly. Plaster should be evenly applied to the skin, aiming at the site, and try not to affect the action.

The matrix of black plaster (such as Zhuifengzhuanggu plaster) is hard lead plaster made of vegetable oil and high temperature in Huang Dan. The plaster is a yellow-brown solid, which must be baked and softened before use, and then applied to the affected area. When people use black plaster, they are used to melting it with small fire such as candles. However, if it is not mastered properly, it will easily lead to high temperature and destroy its effective components. There is a simpler way: float the plaster on boiling water to soften it, and dry it before use. Plaster (e.g., ointment for treating dampness and relieving pain). ) It's relatively simple to use, just uncover it and apply it, but sometimes it's too sticky in winter, so just heat the plaster a little.

It is worth noting that if the affected area has broken skin and redness, it should not be smeared to avoid infection; Pregnant women should not stick plasters on their waist and abdomen to avoid drug absorption affecting the fetus; In the process of medication, if itching, redness, papules, blisters, etc. occur, you should take off the plaster in time and consult a doctor. In addition, unused plasters should be stored in a dry and cool place.