Crocin contains paracetamol, which helps manage fever. First, please ensure the dose of 7.5ml matches his weight and the specific strength of your Crocin syrup, as recommended strengths vary. Always space paracetamol doses at least 4 to 6 hours apart, never exceeding 4 doses in 24 hours. Keep him comfortable, offer plenty of fluids, and try lukewarm sponge baths. Since the fever is persistent, please consult your pediatrician to identify the underlying cause and confirm the correct dosage. Seek immediate medical care if he becomes unusually lethargic, has difficulty breathing, or refuses fluids.