Fever in babies is one of the **most common reasons to see a doctor** and can be a sign of a serious infection.... Since the immune system of babies is not yet developed, high fever in the first months of life should be checked immediately.. Toggle**When is baby fever dangerous?** - **Fever above 38 degrees in babies under 3 months** (emergency) - **Fever above 39 degrees in babies aged 3 to 6 months** - **Fever with skin rash, vomiting or stiff neck** **Causes of fever in babies** - **Viral infections (cold, flu)** - **Bacterial infections (urine, ear, lung)** - **vaccination** - **dehydration** **Ways to reduce fever in babies** Wash with lukewarm water Use of acetaminophen or ibuprofen (as prescribed by a doctor) Frequent breastfeeding to prevent dehydration ✅ Covering thin clothes **When should we see a doctor?** Fever in a baby under 3 months Fever for more than 24 hours in infants older than 3 months Convulsions caused by fever **Conclusion** Fever in infants always needs to be investigated, especially in the first months of life... This general information is a limited summary of diagnostic, therapeutic and/or drug information... This information is not exhaustive and should be used as a tool to help the user understand and/or evaluate potential diagnostic and therapeutic options.. This information does not include all information about conditions, treatments, risks, patient-specific side effects and... Treatment, including the risks or benefits of medications... This information does not endorse any treatment or medication as safe, effective, or approved for the treatment of a particular patient.. * Among the medical services provided in the office are periodical examinations of children, periodical monitoring of children's growth and physical development, treatment of various infectious, digestive and respiratory diseases in children and adolescents, nutritional counseling, education and periodical care of premature babies, monitoring and treatment of all periodical problems during infancy, periodical mental and physical evaluation of children. > *special services of Dr. Mehdi Afshari: specialized office circumcision, home visit and online consultation* > > *Practice address: No. 193, South Mehrabad, Southern Air University, Tafarsh East, Tehran > > *Contact number: 021-66602506*