Colistin 3 miu Injection is used to treat bacterial infections. It contains Colistimethate Sodium. It effectively solubilizes the bacterial cell membrane, resulting in bacterial cell death. As a result, it destroys the bacteria and successfully treats the infection. Common side effects of Colistin 3 miu Injection may include injection site reactions, renal damage, visual disturbances, GI disturbances, dizziness, nausea, vomiting and muscle weakness.
My 14-month-old girl has frequent loose motions and has been treated with Colistin, Tufpro, and zinc, but there is no improvement. What further evaluation or treatment is recommended?
G.santoshini Reddy
M Pharmacy (Pharmaceutics)
Frequent loose motions in a 14-month-old that are not improving despite treatment need proper re-evaluation, as most cases are due to viral or dietary causes, and strong antibiotics like Colistin are only useful when a specific bacterial infection is confirmed, not routinely. The most important step is to prevent dehydration by giving ORS, continuing normal feeding (including breast milk), and using zinc as advised. Since symptoms are persistent, your doctor may recommend stool tests (to check for infection or parasites), review diet (for lactose intolerance or food-related diarrhoea), and assess for conditions like Persistent Diarrhea. Avoid self-medication and unnecessary antibiotics, and seek prompt pediatric consultation, especially if there are warning signs like reduced urine, weight loss, fever, blood in stools, or lethargy, so that the exact cause can be identified and treated appropriately.
A patient has sepsis due to Klebsiella infection confirmed on blood culture and is receiving IV Colistin. What is the typical duration of treatment? The baby has been breastfeeding for 6 days, and CRP is 8 mg/dL. How long does it usually take for CRP levels to decrease?
G.santoshini Reddy
M Pharmacy (Pharmaceutics)
Sepsis due to Klebsiella is a serious infection, and treatment with IV Colistin is usually given for about 10-14 days, although the exact duration depends on the baby's response, repeat tests, and the doctor's judgment. It is reassuring that the baby is breastfeeding, as this supports recovery and immunity. A CRP level of 8 mg/dL indicates ongoing inflammation, but with effective treatment, CRP typically starts decreasing within 2-3 days and may return closer to normal over several days to a week. Doctors usually monitor CRP trends rather than a single value to assess improvement. Close hospital monitoring is essential, and most babies improve well with timely and appropriate treatment.
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