1. People who are taking some western medicine should not be jealous. Because acetic acid can change the pH of local environment in human body, so that some drugs can't work, sulfonamides are easy to form crystals in the kidney and damage renal tubules in acidic environment, so it is not advisable to be jealous when taking such drugs. When taking alkaline drugs such as sodium bicarbonate, magnesium oxide and weishuping, you should not be jealous, because acetic acid can neutralize alkaline drugs and make them ineffective. When using antibiotics such as gentamicin, kanamycin, streptomycin and erythromycin. , should not be jealous, because these antibiotics in acidic environment will reduce the effect, affecting the curative effect.

2. It is not advisable to be jealous of taking Chinese medicine for relieving exterior symptoms and sweating. Because of the astringency of vinegar, Chinese medicine believes that acid can converge. When compound Yinqiao tablets and other traditional Chinese medicines are compatible with it, vinegar will promote the contraction of human sweat pores and destroy the effective components such as alkaloids in traditional Chinese medicines, thus interfering with the sweating and relieving exterior symptoms of traditional Chinese medicines.

3. Patients with gastric ulcer and hyperacidity should not use vinegar. Because vinegar will not only corrode gastrointestinal mucosa and aggravate the development of ulcer disease, but also contain rich organic acids, which can make digestive organs secrete a lot of digestive juice, thus increasing the digestion of gastric acid, avoiding the increase of gastric acid and aggravating ulcer.

4, allergic to vinegar and low blood pressure should be avoided. Because vinegar can cause allergies in the body, there are symptoms such as rash, itching, edema and asthma. In addition, some people who are not suitable for jealousy should also be careful to eat. Eating vinegar in patients with low blood pressure will lead to lower blood pressure and adverse reactions such as headache, dizziness and general weakness.

5, the elderly should avoid jealousy during fracture treatment and rehabilitation, vinegar can soften bones and decalcify, destroy the dynamic balance of calcium in the human body, will promote and aggravate osteoporosis, make the injured limbs ache, and the fracture will not heal.

6, spleen and stomach wet weight, flaccid paralysis, muscle spasm, exogenous diseases are contraindicated, and people with gastric ulcer and hyperacidity are not suitable for vinegar.