Antipyretic suppositories may take about half an hour to an hour to work. Antipyretic suppositories are usually acetaminophen suppositories, the main function is anti-inflammatory, antipyretic, fever can play a role in the improvement of the effect, but also for patients with arthralgia, headache, and neuralgia can play a certain degree of efficacy. However, due to the different physical condition of each person, so the drug’s effect time also varies, usually in half an hour to an hour or so. Although acetaminophen suppositories can play the effect of anti-inflammatory fever, but the same as other drugs, will also cause adverse effects on patients, such as itching, rash, etc., if the patient is allergic to the drug, or serious liver and kidney dysfunction is not allowed to use. If you use acetaminophen suppositories in large quantities for a long period of time, it will have an effect on your body, so you must follow the doctor’s instructions when using the drug.