Sulfasalazine

Sulfasalazine
Adult Indications & Dosage
Pediatric Indications & Dosage
Contraindications
Warnings & Precautions
Adverse Reactions
Drug Interactions
Use in Specific Populations
Administration & Monitoring
Overdosage
Pharmacology
Clinical Studies
How Supplied
Images
Patient Counseling Information
Precautions with Alcohol
Brand Names
Look-Alike Names

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Stefano Giannoni [2]

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Overview

Sulfasalazine is a Sulfonamide that is FDA approved for the treatment of mild to moderate ulcerative colitis, as adjunctive therapy in severe ulcerative colitis, for the prolongation of the remission period between acute attacks of ulcerative colitis, rheumatoid arthritis and for pediatric patients with polyarticular-course juvenile rheumatoid arthritis.. Common adverse reactions include {{{adverseReactions}}}.

Adult Indications and Dosage

FDA-Labeled Indications and Dosage (Adult)

Ulcerative Colitis

The dosage of AZULFIDINE EN-tabs Tablets should be adjusted to each individual's response and tolerance. Patients should be instructed to take AZULFIDINE EN-tabs in evenly divided doses, preferably after meals, and to swallow the tablets whole.

Initial Therapy

• 3 to 4 g daily in evenly divided doses with dosage intervals not exceeding eight hours.
• It may be advisable to initiate therapy with a lower dosage, e.g., 1 to 2 g daily, to reduce possible gastrointestinal intolerance.
• If daily doses exceeding 4 g are required to achieve the desired therapeutic effect, the increased risk of toxicity should be kept in mind.

Maintenance Therapy

• 2 g daily

Rheumatoid Arthritis

• 2 g daily in two evenly divided doses.
• It is advisable to initiate therapy with a lower dosage of AZULFIDINE EN-tabs, e.g., 0.5 to 1.0 g daily, to reduce possible gastrointestinal intolerance.
• Careful monitoring is recommended for doses over 2 g per day.

Off-Label Use and Dosage (Adult)

Guideline-Supported Use

There is limited information regarding Off-Label Guideline-Supported Use of Sulfasalazine in adult patients.

Non–Guideline-Supported Use

There is limited information regarding Off-Label Non–Guideline-Supported Use of Sulfasalazine in adult patients.

Pediatric Indications and Dosage

FDA-Labeled Indications and Dosage (Pediatric)

Ulcerative Colitis

The dosage of AZULFIDINE EN-tabs Tablets should be adjusted to each individual's response and tolerance. Patients should be instructed to take AZULFIDINE EN-tabs in evenly divided doses, preferably after meals, and to swallow the tablets whole.

Initial Therapy

• 40 to 60 mg/kg of body weight in each 24-hour period, divided into 3 to 6 doses.
• Six years of age and older

Maintenance Therapy

• 30 mg/kg of body weight in each 24-hour period, divided into 4 doses.
• Six years of age and older

Juvenile Rheumatoid Arthritis, Polyarticular-Course

• 30 to 50 mg/kg of body weight daily in two evenly divided doses.
• Maximum dose is 2 g per day.
• To reduce possible gastrointestinal intolerance, begin with a quarter to a third of the planned maintenance dose and increase weekly until reaching the maintenance dose at one month.
• Six years of age and older

Off-Label Use and Dosage (Pediatric)

Guideline-Supported Use

There is limited information regarding Off-Label Guideline-Supported Use of Sulfasalazine in pediatric patients.

Non–Guideline-Supported Use

There is limited information regarding Off-Label Non–Guideline-Supported Use of Sulfasalazine in pediatric patients.

Contraindications

• Hypersensitivity to sulfasalazine, its metabolites, sulfonamides or salicylates.
• Patients with intestinal or urinary obstruction,
• Patients with porphyria, as the sulfonamides have been reported to precipitate an acute attack.

Warnings

There is limited information regarding Sulfasalazine Warnings' in the drug label.

Adverse Reactions

Clinical Trials Experience

There is limited information regarding Sulfasalazine Clinical Trials Experience in the drug label.

Postmarketing Experience

There is limited information regarding Sulfasalazine Postmarketing Experience in the drug label.

Drug Interactions

• Reduced absorption of folic acid and digoxin have been reported when those agents were administered concomitantly with sulfasalazine.
• When daily doses of sulfasalazine 2 g and weekly doses of methotrexate 7.5 mg were coadministered to 15 rheumatoid arthritis patients in a drug-drug interaction study, the pharmacokinetic disposition of the drugs was not altered.
• Daily doses of sulfasalazine 2 g (maximum 3 g) and weekly doses of methotrexate 7.5 mg (maximum 15 mg) were administered alone or in combination to 310 rheumatoid arthritis patients in two controlled 52-week clinical studies.
• The overall toxicity profile of the combination revealed an increased incidence of gastrointestinal adverse events, especially nausea, when compared to the incidence associated with either drug administered alone.

Use in Specific Populations

Pregnancy

Pregnancy Category (FDA): There is no FDA guidance on usage of Sulfasalazine in women who are pregnant.
Pregnancy Category (AUS): There is no Australian Drug Evaluation Committee (ADEC) guidance on usage of Sulfasalazine in women who are pregnant.

Labor and Delivery

There is no FDA guidance on use of Sulfasalazine during labor and delivery.

Nursing Mothers

There is no FDA guidance on the use of Sulfasalazine in women who are nursing.

Pediatric Use

There is no FDA guidance on the use of Sulfasalazine in pediatric settings.

Geriatic Use

There is no FDA guidance on the use of Sulfasalazine in geriatric settings.

Gender

There is no FDA guidance on the use of Sulfasalazine with respect to specific gender populations.

Race

There is no FDA guidance on the use of Sulfasalazine with respect to specific racial populations.

Renal Impairment

There is no FDA guidance on the use of Sulfasalazine in patients with renal impairment.

Hepatic Impairment

There is no FDA guidance on the use of Sulfasalazine in patients with hepatic impairment.

Females of Reproductive Potential and Males

There is no FDA guidance on the use of Sulfasalazine in women of reproductive potentials and males.

Immunocompromised Patients

There is no FDA guidance one the use of Sulfasalazine in patients who are immunocompromised.

Administration and Monitoring

Administration

• Oral

Monitoring

There is limited information regarding Sulfasalazine Monitoring in the drug label.

IV Compatibility

There is limited information regarding the compatibility of Sulfasalazine and IV administrations.

Overdosage

There is limited information regarding Sulfasalazine overdosage. If you suspect drug poisoning or overdose, please contact the National Poison Help hotline (1-800-222-1222) immediately.

Pharmacology

There is limited information regarding Sulfasalazine Pharmacology in the drug label.

Mechanism of Action

There is limited information regarding Sulfasalazine Mechanism of Action in the drug label.

Structure

There is limited information regarding Sulfasalazine Structure in the drug label.

Pharmacodynamics

There is limited information regarding Sulfasalazine Pharmacodynamics in the drug label.

Pharmacokinetics

There is limited information regarding Sulfasalazine Pharmacokinetics in the drug label.

Nonclinical Toxicology

There is limited information regarding Sulfasalazine Nonclinical Toxicology in the drug label.

Clinical Studies

There is limited information regarding Sulfasalazine Clinical Studies in the drug label.

How Supplied

There is limited information regarding Sulfasalazine How Supplied in the drug label.

Storage

There is limited information regarding Sulfasalazine Storage in the drug label.

Images

Drug Images

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Package and Label Display Panel

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Patient Counseling Information

There is limited information regarding Sulfasalazine Patient Counseling Information in the drug label.

Precautions with Alcohol

Alcohol-Sulfasalazine interaction has not been established. Talk to your doctor about the effects of taking alcohol with this medication.

Brand Names

There is limited information regarding Sulfasalazine Brand Names in the drug label.

Look-Alike Drug Names

There is limited information regarding Sulfasalazine Look-Alike Drug Names in the drug label.

Drug Shortage Status

Price

References

The contents of this FDA label are provided by the National Library of Medicine.