Dried ginger powder, i.e. powder developed from the Chinese medicine dried ginger. It is more effective when taken after meals, because of its pungent flavor and hot nature, taking it on an empty stomach may stimulate the stomach and lead to excessive stomach acid, causing gastritis, gastric ulcers and other diseases in the long run.
Dry ginger is the dried rhizome of ginger, family Zingiberaceae. It belongs to the spleen, stomach, heart, lung and kidney meridians. Its effects include warming the stomach and dispersing cold, restoring yang and clearing the veins, warming the lungs and dissolving drinks (promoting the flow of stagnant fluid by warming the lungs).
It can be used to treat cold pain in the stomach and epigastric region, vomiting of water, diarrhea, coldness in the limbs, upper heat and lower cold, weak pulse, cough with cold drinks, and clear and scanty phlegm. Note that it is contraindicated in cases of yin deficiency, internal heat and blood heat, adverse effects are not known.
If you have symptoms, you should take the medicine under the guidance of a professional physician, do not take the medicine blindly on your own, so as to avoid delaying the condition or producing adverse reactions.