In the clinical period of taking medication is not allowed to eat garlic, the reason is that garlic belongs to the spicy, stimulating food, during the medication is not allowed to eat spicy, stimulating food, not only including garlic, but also include chili, pepper and mace or other spicy, stimulating food. When garlic is consumed during the medication period, the adverse reactions are as follows: 1, garlic is a spicy, stimulating food for the gastrointestinal tract stimulation has a certain effect, may increase the burden on the stomach and intestines, thus affecting the absorption of medication, in the process of taking medication, garlic may reduce the efficacy of the medication. 2, garlic is rich in proteins, and some medications are combined with proteins in the garlic and are difficult for the digestive tract to break down and absorb, thus leading to the efficacy of the medication. 3, in the treatment of some special diseases, including cough, pharyngitis, asthma and other diseases, if you eat garlic will not only affect the efficacy of the drug, but also because of strong irritation and aggravation of the condition, wheezing, respiratory difficulties and so on.