Fosfomycin 3Gm Sachet, an antibiotic used to treat urinary tract infections, typically has mild and transient side effects. Common side effects, such as gastrointestinal symptoms, usually diminish within a short period. Diarrhea, nausea, or abdominal discomfort may occur but often resolve as the body adjusts to the medication. Fosfomycin Uses side effects persist or worsen, consulting a healthcare professional is advised. It's crucial to complete the prescribed course of fosfomycin to ensure effective treatment. Individual responses to medications vary, and medical guidance is essential for managing side effects and optimizing the therapeutic benefits of fosfomycin.