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Sulfadiazine

Sulfadiazine Dosage

Kristianne Hannemann, PharmDConnie Zheng, PharmD
Reviewed by Kristianne Hannemann, PharmD, Connie Zheng, PharmD
Last reviewed on April 21, 2023

The average cost for 60 tablets of 500mg of Sulfadiazine is $194.21 with a free GoodRx coupon. This is 83.86% off the average retail price of $1,202.99.

tabletTablet

Dosage

Quantity

Price as low as

Price per unit

500mg

60 tablets

$194.21

$3.24

Typical dosage for Sulfadiazine

Your provider will determine your dose based on what infection you have. In general:

  • Adults: The typical dose is to take 2 grams to 4 grams by mouth daily, split into 3 to 6 smaller doses and taken over 24 hours.
  • Infants and children age 2 months and older: Your child's provider will calculate their dose based on your child's body weight. The typical dose is 150 mg/kg of body weight by mouth daily, split into 4 to 6 smaller doses and taken over 24 hours. The maximum total daily dose is 6 grams.
  • Rheumatic fever prevention (for people who weigh less than 66 pounds): The typical dose is 500 mg by mouth every 24 hours.
  • Rheumatic fever prevention (for people who weigh more than 66 pounds): The typical dose is 1 gram by mouth every 24 hours.

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