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AVAR LS

Generic: SULFACETAMIDE SODIUM, SULFUR

Verified·Apr 23, 2026
Manufacturer
Mission Pharmacal
NDC
0178-0475
RxCUI
1000895
Route
TOPICAL
ICD-10 indication
L71.9

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About AVAR LS

What is this medication?

AVAR LS is a topical prescription medication primarily used to treat inflammatory skin conditions such as acne vulgaris, rosacea, and seborrheic dermatitis. It contains two active ingredients, sodium sulfacetamide and sulfur, which work together to address skin issues. Sodium sulfacetamide is an antibacterial agent that helps to inhibit the growth of bacteria associated with acne, while sulfur acts as a keratolytic agent to help shed dead skin cells and reduce oiliness. This combination helps to decrease redness, clear up blemishes, and manage the scaling associated with seborrheic dermatitis.

This medication is typically applied to the affected areas of the skin once or twice daily, following the specific instructions of a healthcare professional. It is often formulated to be gentler on the skin than some other topical treatments, making it a common choice for patients with sensitive skin. Before using this product, it is essential for patients to inform their doctor of any known allergies to sulfa medications. Common side effects are generally mild and may include temporary skin irritation, dryness, or a slight odor from the sulfur component.

Copay & patient assistance

  • Patient Copay Amount: Not Publicly Available
  • Maximum Annual Benefit Limit: Not Publicly Available
  • Core Eligibility Restrictions: Not Publicly Available
  • RxBIN, PCN, and Group numbers: Not Publicly Available

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Prescribing information

From the FDA-approved label for AVAR LS. Official source: DailyMed (NLM) · Label effective Jan 8, 2026

Indications and usage
INDICATIONS: This product is indicated for use in the topical control of acne vulgaris, acne rosacea and seborrheic dermatitis.
Dosage and administration
DOSAGE AND ADMINISTRATION: Shake well before using. Wash affected areas once or twice daily, or as directed by your physician. Wet skin and liberally apply to areas to be cleansed. Massage gently into skin for 10 to 20 seconds, working into a full lather, rinse thoroughly and pat dry. If skin dryness occurs, it may be controlled by rinsing product off sooner or using less frequently.
Contraindications
CONTRAINDICATIONS: This product is contraindicated in persons with known or suspected hypersensitivity to any of the ingredients of the product. This product is not to be used by patients with kidney disease.
Warnings
WARNINGS: Sulfonamides are known to cause Stevens-Johnson syndrome in hypersensitive individuals. Stevens-Johnson syndrome also has been reported following the use of sodium sulfacetamide topically. Cases of drug-induced systemic lupus erythematosus from topical sulfacetamide also have been reported. In one of these cases, there was a fatal outcome. KEEP OUT OF THE REACH OF CHILDREN.
Adverse reactions
ADVERSE REACTIONS: Reports of irritation and hypersensitivity to sodium sulfacetamide are uncommon. The following adverse reactions, reported after administration of sterile ophthalmic sodium sulfacetamide, are noteworthy: instances of Stevens-Johnson syndrome and instances of local hypersensitivity which progressed to a syndrome resembling systemic lupus erythematosus; in one case a fatal outcome was reported (see WARNINGS).

Label text is reproduced as-is from the FDA-approved label. We do not paraphrase, summarize, or omit. Content above is for informational purposes only and is not medical advice. Always consult your prescribing clinician or pharmacist before making decisions about your medication.

Conditions we've indexed resources for

Click a condition to see copay cards, grants, and PA rules specific to it. For the full list of FDA-approved indications, see Prescribing information above.

Prior authorization & coverage

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How this page is sourced

  • Drug identity verified against openFDA NDC Directory.
  • Label text (when shown) originates from NLM DailyMed.
  • Copay and assistance URLs verified periodically; if you hit a broken link, tell us.