Sick baby 😪

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So I posted before about my daughter and I thought it was a cold as well. I took her to the doctor and they told me it’s just allergies and gave me medicine. I’m doing as prescribed but her runny nose and cough isn’t letting up. She started running hot but not bad to a fever. Also she’ll cough and I can hear the cold in her chest. It hurts to see her wake up out her sleep because of coughing. I’m not sure what to do. Any advice moms?