Biết khi nào cần đến bác sĩ. Cân nhắc uống acetaminophen (Tylenol). Thử uống ibuprofen (Advil, Motrin) để thay thế. Cẩn trọng với aspirin.

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Most fevers are beneficial and shouldn't be artificially reduced or suppressed, but sometimes it's necessary to prevent serious complications, such as a febrile seizures, coma or brain damage. To best understand how to treat a fever, make an appointment with your doctor if it doesn't go away within a week or if the temperature is considered high (see above). Your doctor has all the instruments necessary to take a temperature reading in the most appropriate area — either orally, rectally, under the armpit or in the ear canal.  It's time to take your feverish child to the doctor if they have a high fever (>101°F or 38.3°C) and are: listless, irritable, vomiting, makes poor eye contact, appears very sleepy most of the time and/or has completely lost their appetite. Keep in mind that since children are smaller and growing, they might become seriously dehydrated sooner if a fever continues more than a couple days. Adults should see their doctor if they develop a high fever (>103°F or 39.4°C) and any of the following: severe headache, throat swelling, bad skin rash, light sensitivity, stiff neck, confusion, irritability, chest pain, abdominal pain, constant vomiting, numbness and tingling in limbs and/or seizures.  If the high fever is caused by a bacterial infection, then your doctor may recommend antibiotics first in order to control or eliminate the infection. Acetaminophen is not only a painkiller (analgesic), but it's also a strong antipyretic, which means it can trigger the hypothalamus in the brain to lower body temperature. In other words, it works by turning down your brain's thermostat. Acetaminophen is typically best and safest for young children with high fevers (using the weight-appropriate dosage recommendations on the box) and also helpful for teenagers and adults.  For a high fever, it's recommended to take a dose of acetaminophen every 4 to 6 hours. For adults, the maximum recommended daily dose of acetaminophen is 3,000 mg.  Taking too much acetaminophen or taking it for too long can be toxic and...