Fever in an 11-month-old can be concerning, especially when it reaches 101-103 degrees Fahrenheit. In children, doctors sometimes use two different fever medicines to keep the temperature under control when it is high or not settling with a single medicine. The aim is to keep the baby comfortable and prevent spikes. Fevago and Ibugesic work differently, but they can be used together in some cases. However, they should be given only at the exact dose and timing advised by your doctor, not together at the same time unless specifically told to do so. Usually, they are spaced out to avoid overdose and reduce side effects. Make sure you follow the schedule carefully, use the correct measuring device, and do not exceed the recommended doses. Keep your baby well hydrated and dressed in light clothing. If the fever continues beyond 2-3 days, becomes very high, or your baby looks very dull, is not feeding, or has vomiting or rash, it is important to seek medical care again for further evaluation.