You can apply metronidazole gel after squeezing a pimple, but it is not recommended to squeeze a pimple and apply it directly. If dry skin, burning sensation and other reactions occur after using the drug, it is recommended to stop the drug and consult a physician or pharmacist. Metronidazole gel main ingredient is metronidazole, excipients for propylene glycol, sodium hydroxide, purified water, etc., can be used for inflammatory papules, pustules, rosacea erythema local treatment. Pimples in medicine is called acne, manifested as pimples, papules, nodules and cysts, you can use topical metronidazole, but do not recommend squeezing pimples, self-squeeze pimples can not guarantee hand hygiene, will increase the chance of infection, in most cases, direct topical metronidazole, there is a therapeutic effect. If dry skin, burning sensation and other reactions occur after the use of the drug, you should wash the local drug, stop the drug, and consult a physician or pharmacist.