• Urinary Tract Infections (UTIs): Nalidixic acid is historically used to treat lower urinary tract infections caused by susceptible Gram-negative organisms, including Escherichia coli, Proteus species, Klebsiella species, and Enterobacter species.
• Intestinal and Digestive Tract Infections: Used to control intestinal infections in production animals (like poultry and calves), and treat non-specific diarrhea.
• Poultry Diseases: In poultry, it is indicated for the control and prevention of diseases such as:
  • Mycoplasma (CRD)
  • Salmonellosis
  • E. coli infections
  • Cholera
  • Necrotic enteritis 

• By injection: Nalcin Vet Solution is given via intravenous, intramuscular, or subcutaneous injection.
• Dosage: Dosage varies significantly based on the animal. For example:

Horses and cattle: 10.0–25.0 ml

Pigs: 2.5–10.0 ml

Dogs: 0.5–5.0 ml

Birds: Administer in drinking water for 4-5 days

Repeat treatment: If necessary, treatment can be repeated the next day