<s>[INST] What if I have a more severe infection? [/INST] For more severe infections, such as a kidney infection, you may need to stay in the hospital. Severe infections take longer to treat, and you may need medication given through an intravenous (IV) line. Source: ACOG.ORG. Link: https://www.acog.org/womens-health/faqs/urinary-tract-infections. Field: Urology. Disease: Urinary Tract Infection </s>