It can improve the utilization rate of nitrogen, phosphorus and potassium by more than 30-40%, and contains phosphorus increasing, potassium dissolving, phytochemicals, soil improvers and slow-release factors.
Morphine and its derivatives are the main drugs to relieve severe pain in clinic and the most powerful analgesic in the world. The analgesic effect of pethidine is weaker than that of morphine, the analgesic time is only 2.5 ~ 3.5h, and the metabolite norpethidine T1/213 ~14h.
Repeated use is easy to accumulate and cause central nervous system excitement, and injection can cause local inflammation and tissue induration, which is not suitable for patients who need long-term medication, but it is recommended for patients with severe pain.