There can be several reasons for your recurring symptoms of fever, cough, and burning chest even after taking PCM medication. It is important to consult with a healthcare professional to determine the underlying cause. Some possible explanations could include an infection that requires a different type of medication or a higher dosage. It is also possible that there is an underlying condition contributing to your symptoms that needs further investigation. Additionally, it's important to ensure you are taking the medication as prescribed and following any additional recommendations provided by your healthcare provider. They may suggest additional tests or adjustments in treatment based on your specific situation. Remember to always seek medical advice from a qualified professional for accurate diagnosis and appropriate treatment options tailored to your individual needs.