You can drink Patchouli Zhengqi Water if you have a heat stroke to help relieve headache and vomiting. Patchouli Zhengqi Shui is a proprietary Chinese medicine made of Atractylodes macrocephala, Pericarpium Citri Reticulatae, Pseudostemma Thunbergii (made from ginger), Angelica dahuricae, Poria cocos, Pisum sativum, Semen Armeniacae, Licorice infusion, Patchouli oil, Perilla frutescens leaf oil, and so on. It has the effects of relieving the exterior and eliminating dampness (relieving the exterior evils and eliminating the dampness in the body), regulating the qi and harmonizing the middle (regulating the qi of the spleen and stomach, so as to make the functions of the spleen and stomach smooth). It is mainly used to treat headache and heaviness caused by colds, chest and diaphragm congestion, distension and pain in the epigastrium (stomach and abdomen), vomiting and diarrhea. For mild heatstroke caused by dampness and heat, drinking Huo Xiang Zheng Qi Shui can improve symptoms such as dizziness, nausea, vomiting, diarrhea, and fatigue, and alleviate the condition; if it is a severe heatstroke, the effect may not be very obvious, and you need to consult a doctor in time. Patchouli may cause nausea, vomiting, rash, itching, dizziness, flushing, palpitations and other adverse reactions. In addition, those who are allergic to alcohol and those who are allergic to the ingredients should not use the medicine, and blood pressure, heart disease, liver disease, diabetes, children, pregnant women and lactating women need to use with caution. Serious heatstroke need to consult a doctor in time, the drug should be used under the guidance of a physician, do not take the drug on your own.