Probiotics for a 9-Month-Old Child
For a healthy 9-month-old child, Lactobacillus reuteri DSM 17938 is the most evidence-supported probiotic strain, particularly for common infant conditions like colic and gastroenteritis. 1, 2
Recommended Probiotic Strains
Primary Recommendations:
- Lactobacillus reuteri DSM 17938:
Alternative Options:
Lactobacillus rhamnosus GG (LGG):
Saccharomyces boulardii CNCM I-745:
Clinical Indications for Probiotics in 9-Month-Olds
Gastrointestinal Conditions:
Acute Gastroenteritis:
Antibiotic-Associated Diarrhea:
Colic:
Preventive Use:
- Regular probiotic use may support immune system development 3
- May help prevent community-acquired diarrheal infections 4
Important Considerations
Safety Profile:
- Probiotics are generally safe in healthy infants 4, 6
- Caution is advised in immunocompromised children, those with central venous catheters, cardiac valvular disease, or short-gut syndrome 1
Dosing Guidelines:
- Effective doses typically range from 5-10 billion CFUs per day 4
- Duration of treatment depends on the indication:
- For acute conditions: 5-7 days
- For preventive use: can be used regularly as part of diet
Product Selection:
- Choose products with proper strain identification
- Ensure appropriate dosage is available
- Consider product stability and storage requirements 2
- Select products from reputable manufacturers with quality control standards
Clinical Pitfalls to Avoid
Not using strain-specific products: Different strains have different effects; use the specific strain shown to be effective for the intended purpose 7
Inadequate dosing: Using doses lower than those studied in clinical trials may reduce effectiveness 4
Expecting immediate results: Some benefits may take time to develop, particularly for immune-related outcomes
Using probiotics as a substitute for medical care: Probiotics should complement, not replace, appropriate medical treatment for serious conditions
Poor product selection: Quality varies widely among commercial probiotic products; select those with documented quality control 4
While there is growing evidence supporting probiotic use in infants, it's important to recognize that research is still evolving, particularly regarding optimal strains, combinations, and dosing regimens for specific conditions 5.