Skip to main content
Sulfasalazine

Sulfasalazine Dosage

Ally Tsai, PharmDAllison Gourley, PharmD
Reviewed by Ally Tsai, PharmD, Allison Gourley, PharmD
Last reviewed on January 4, 2024

The average cost for 120 tablets of 500mg of Sulfasalazine is $18.52 with a free GoodRx coupon. This is 77.64% off the average retail price of $82.84.

tabletTablet

Dosage

Quantity

Price as low as

Price per unit

500mg

120 tablets

$18.52

$0.15

Typical dosage for Sulfasalazine

Ulcerative colitisimmediate-release and delayed-release tablets

  • Adults: The typical starting dose is 3 to 4 grams by mouth daily, split evenly into doses that are taken up to 8 hours apart. Your provider will then lower your dose to prevent stomach problems. The usual maintenance dose is 2 grams by mouth daily.
  • Children age 6 years and older: Dosing for children will depend on weight. The dosage starts from a total of 40 mg/kg to 60 mg/kg of body weight by mouth daily, split evenly into 3 or 6 doses throughout the day. The usual maintenance dose is 30 mg/kg of body weight by mouth daily, split evenly into 4 doses in the day.

Rheumatoid arthritisdelayed-release tablets only

  • Adults: The typical dose is 1 gram by mouth twice daily.
  • Children age 6 years and older: Dosing for children will depend on weight. The dosage starts from a total of 30 mg/kg to 50 mg/kg of body weight by mouth daily, split evenly into 2 doses throughout the day. The maximum total dose is 2 grams daily.

Your provider might lower your dose if you have bothersome side effects like stomach upset.

Was this page helpful?

Latest articles