After a pimple has been squeezed, metronidazole gel can usually be applied if an anaerobic bacterial infection is present, but the medication should be used as prescribed by a doctor; if an anaerobic bacterial infection is not present, this medication should not be used. Metronidazole gel is an anti-anaerobic drug that prevents the bacteria from metabolizing and thus dying, and it is used in the topical treatment of conditions such as impetigo, rosacea erythema, and inflammatory papules. After the pimples are squeezed, if the anaerobic bacterial infection occurs after improper care, it is usually possible to use this drug under the guidance of a doctor; if this infection does not exist, it is not recommended to use the drug indiscriminately. Metronidazole Gel may cause dry skin, skin irritation, burning sensation and other allergic reactions during the use of the drug, which is prohibited for use in pregnant women, lactating women, people who are allergic to the components of the drug, as well as other mucous membranes, such as the eyes and mouth and nose. Metronidazole gel usually can not cure acne, depending on the severity of the disease, may also need to be combined with other drugs, the specific use of drugs need to follow the doctor’s instructions, do not self-medication.