<s>[INST] My son has had a temp since Friday I took him to the doc he said some redness in the throat gave us antibiotics as a back up as he did not improve we started to give them to him at bedtime on sat he is now complaining that the end of penis is stinging when he urinates he temp is dropping but he still has a reduced appetite should I return to the doc he has amoxicillin. [/INST] HiT hank you for asking ChatDoctorI have gone through your query. Your sons' problem is most likely urinary tract infection. A routine urine test can rule out that. Such case I advise antibiotics like definite which covers gram negative bacteria of urinary infection and recommend taking more water. Barley water or cranberry juice helps in alkalinizing urine. Hope this may help you. Let me know if you have any further query. </s>