The efficacy of water boiled with peppercorns, ginger and hawthorn is to warm the middle and disperse the cold (to dispel the cold with medicine that warms the spleen and stomach), and to invigorate the stomach and eliminate food. Contraindications are that it should not be used by those who are allergic to the medicines and should not be used by those who have weak spleen and stomach.
Pepper is a warming herb, its effects are warming the middle and relieving pain (relieving pain by warming the spleen and stomach), killing insects and relieving itching. It is used in treating cold pain in the stomach and abdomen, vomiting and diarrhea, abdominal pain due to accumulation of worms, and externally for treating eczema and itching.
Ginger is an antidepressant, which is effective in relieving cold (removing cold from the surface of the muscles), warming the stomach and stopping vomiting (treating vomiting caused by cold stomach by warming the spleen and stomach), resolving phlegm and relieving cough, and relieving the toxicity of fishes and crabs. It is used in treating wind-cold cold, stomach cold and vomiting, cold phlegm and cough, and fish and crab poisoning.
Hawthorn is an antiphlogistic drug, which is effective in eliminating food and strengthening stomach, promoting circulation of Qi and dispersing blood stasis, resolving turbidity and lowering fat (cleansing the body of impurities and reducing excess body fat). It is used for stagnation of meat and food, stomach and epigastric distension, diarrhea and abdominal pain, menstrual stasis, postpartum stasis, stabbing pain in the heart and abdomen, hernia pain and other diseases. Caution should be exercised when the spleen and stomach are weak and there is no stagnation.
In summary, the efficacy of pepper, ginger, hawthorn boiled water has the effect of warming the middle and dispersing cold, strengthening the stomach and eliminating food, moving qi, relieving cough, killing worms and so on. Contraindications are prohibited for those who are allergic to pepper, ginger or hawthorn, and caution should be exercised for those with weak spleen and stomach.
Those who have the need for medication should not take it blindly, and need to use it under the guidance of a doctor to prevent adverse consequences.