SELENIUM SULFIDE 2.5 mg/100mL Lotion, 118 mL — NDC 45802-040-64 (Billing 45802-0040-64)
This is a package of 118 mL of SELENIUM SULFIDE 2.5 mg/100mL Lotion from Padagis Israel Pharmaceuticals Ltd, marketed since Sep 2006 and currently FDA-listed; retail pharmacies pay about $0.0781 per mL (NADAC). It is this product's only package size.
Identity & classification
Regulatory identifiers FDA, NLM and CMS codes for this package
Drug-database identifiers Medi-Span GPI and First Databank GCN / HICL / AHFS classification
- GSN (GCN sequence number): 075213
- GCN: 40225
- GPI-14 (Medi-Span): 90300050004120
- HICL (First Databank): 013406
- AHFS class code: 84:04.16.00
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- FDA label on DailyMed · label index refreshed Oct 1, 2026
- RxNorm (NLM RxNav) · catalog refreshed Oct 1, 2026
- Medi-Span GPI (licensed)
- First Databank (licensed) · refreshed Oct 1, 2026
Clinical
- It's used on the scalp to relieve flaking and itching from dandruff and seborrheic dermatitis. It also helps keep those problems from coming back. Some products also list relief of...
- Most labels say to use it at least twice a week for best results, or as your doctor directs. Some say you can use it every time you shampoo for maximum control. Check your own prod...
- Some people get skin irritation, or oily or dry hair and scalp. Hair discoloration and a bit more hair shedding have been reported occasionally. Rinsing thoroughly after use helps...
- Keep it out of your eyes and away from the genital area, since it can cause irritation and burning. Don't use it on broken or inflamed skin. If you get it in your eyes, rinse well...
Patient education
Supplement & herbal interactions
Where does this data come from?
- MedlinePlus (NLM) · refreshed Oct 1, 2026
- FDA label on DailyMed · label index refreshed Oct 1, 2026
Ask a licensed pharmacist directly — free, answered by our team.
Pricing
A drug doesn't have one price. Each row is a different public payment system, and none is what you'd pay at the counter — that depends on your insurance. The ⓘ on each row explains what it measures.
| Price system | Per mL | Per package |
|---|---|---|
| Retail pharmacies payNADAC · weekly | $0.078 | $9.22 / 118 ml |
| Medicaid paysCMS SDUD · 12 mo | $0.1242 | $14.66 / 118 ml |
| Medicare drug plans payPart D · Q2 2026 | $0.1005 | $11.86 / 118 ml |
Where does this data come from?
- CMS NADAC weekly file · file of Sep 30, 2026
- CMS ASP pricing files · refreshed Sep 20, 2026
- CMS Medicaid State Drug Utilization Data · through Q1 2026
- CMS Part D plan pricing files · refreshed Sep 24, 2026
- VA National Acquisition Center price file
Packaging — all sizes for this product
| Package NDC | Description | Marketing start | Marketing end | Status |
|---|---|---|---|---|
| 45802-0040-64 You're viewing this Main listing | 118 mL in 1 BOTTLE | 2006-09-25 | — | Active |
Therapeutic equivalents
| Product | Labeler | Pack | NADAC/unit | TE | Status | Price vs. this |
|---|---|---|---|---|---|---|
| Selenium Sulfide 2.5 mg/100mLthis 45802-0040-64 | Padagis | 118 ml | $0.078 | — | Availability likely | — |
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- FDA Orange Book · refreshed Sep 3, 2026
- CMS NADAC weekly file · file of Sep 30, 2026
Availability & generic status
This product is an FDA-approved generic. Other versions of the same drug are listed under Therapeutic equivalents, least expensive first.
Where does this data come from?
- FDA Orange Book · refreshed Sep 3, 2026
Inactive Ingredients / Excipients
Inactive ingredients, also called excipients, are components of the drug product other than the active ingredient. They may include fillers, dyes, coatings, preservatives, flavors, or other formulation ingredients.
💡 Tap an ingredient (hover on desktop) to see what it is and why it’s used.
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UNII A3N5ZCN45C
Bentonite is a naturally occurring clay mineral used in medicines as a binder and absorbent. It helps hold tablet ingredients together and can absorb moisture or unwanted substances in the formulation.
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UNII 2968PHW8QP
A weak organic acid derived from citrus fruits or made through fermentation. It works as a buffer to control pH, a preservative to extend shelf life, and a flavoring agent in medications.
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UNII 0324G66D0E
Glycol stearate is a waxy compound made by combining stearic acid with ethylene glycol. It acts as an emulsifier and thickener, helping keep oil and water mixed together smoothly in liquid or semi-solid medicines.
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UNII I29I2VHG38
A foaming and thickening agent derived from lauric acid (a natural fatty acid). It helps create texture and stability in liquid or semi-solid formulations, often used in topical products.
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UNII 368GB5141J
A detergent and foaming agent derived from coconut or palm oil. In medications, it helps break down and mix oil and water-based ingredients, aids in tablet disintegration, and improves how the drug dissolves and spreads in the mouth or digestive system.
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UNII 3980JIH2SW
A salt form of phosphoric acid that acts as a buffer and pH adjuster in medicines. It helps keep the product at the correct acidity level for stability and effectiveness.
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UNII 15FIX9V2JP
Titanium dioxide is a bright white mineral powder commonly used as a colorant and opacifying agent. It makes pills and tablets white or lighter in color and helps make coatings non-transparent.
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UNII 059QF0KO0R
Water is a liquid solvent that dissolves and mixes ingredients together in liquid medicines, syrups, and injections. It helps distribute the active drug evenly throughout the product.
8 inactive ingredients listed in the exact product block matched to this NDC.
Where does this data come from?
ingredient classCode="IACT" elements from the exact product block matched by this NDC. Label-section narrative from DailyMed / the openFDA label index is shown separately when available.- FDA label on DailyMed · label index refreshed Oct 1, 2026
- FDA openFDA NDC Directory · synced Oct 1, 2026
Inactive ingredient FAQ
Are inactive ingredients the same for every manufacturer?
Why might an inactive ingredient be missing?
Can inactive ingredients matter?
Manufacturer & labeler
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- Drugs@FDA
Full prescribing information FDA SPL
🎯 Indications and Usage ▾
INDICATIONS AND USAGE For the treatment of tinea versicolor, seborrheic dermatitis of the scalp, and dandruff.
⏱️ Dosage and Administration ▾
DOSAGE AND ADMINISTRATION See application instructions on rear panel of this bottle. For treatment of dandruff and seborrheic dermatitis: For the usual case, two applications each week for two weeks will afford control. After this, the suspension may be used at less frequent intervals - weekly, every two weeks, or even every 3 or 4 weeks in some cases.
The preparation should not be applied more frequently than required to maintain control. For treatment of tinea versicolor: Apply to affected areas and lather with a small amount of water. Allow product to remain on skin for 10 minutes, then rinse the body thoroughly.
Repeat this procedure once a day for seven days.
⛔ Contraindications ▾
CONTRAINDICATIONS This product should not be used by patients allergic to any of its components.
⚠️ Warnings and Cautions ▾
WARNINGS AND PRECAUTIONS: For External Use Only . Do not use on broken skin or inflamed areas. If allergic reactions occur, discontinue use. Avoid getting shampoo in eyes or in contact with genital area as it may cause irritation and burning. KEEP THIS AND ALL MEDICATIONS OUT OF REACH OF CHILDREN.
🤒 Adverse Reactions ▾
ADVERSE REACTIONS In decreasing order of severity: skin irritation, occasional reports of increase in amount of normal hair loss, discoloration of hair (can be avoided or minimized by thorough rinsing of hair after treatment). As with other shampoos, oiliness or dryness of hair and scalp may occur.
🤰 Pregnancy ▾
Pregnancy - WHEN USED ON BODY SURFACES FOR THE TREATMENT OF TINEA VERSICOLOR, SELENIUM SULFIDE IS CLASSIFIED AS PREGNANCY CATEGORY "C". Animal reproduction studies have not been conducted with Selenium Sulfide Topical Suspension USP, 2.5% (Lotion). It is also not known whether Selenium Sulfide Topical Suspension USP, 2.5% (Lotion) can cause fetal harm when applied to body surfaces of a pregnant woman or can affect reproduction capacity.
Under ordinary circumstances Selenium Sulfide Topical Suspension USP, 2.5% (Lotion) should not be used for the treatment of tinea versicolor in pregnant women.
🧒 Pediatric Use ▾
Pediatric Use - Safety and effectiveness in infants have not been established.
🆘 Overdosage ▾
OVERDOSAGE Accidental Oral Ingestion- Selenium Sulfide Topical Suspension USP, 2.5% (Lotion) is intended for external use only. There have been no documented reports of serious toxicity in humans resulting from acute ingestion of Selenium Sulfide Topical Suspension USP, 2.5% (Lotion); however, acute toxicity studies in animals suggest that ingestion of large amounts could result in potential human toxicity. For this reason, evacuation of the stomach contents should be considered in cases of acute oral ingestion.
🧬 Clinical Pharmacology ▾
CLINICAL PHARMACOLOGY Selenium sulfide appears to have a cytostatic effect on cells of the epidermis and follicular epithelium, thus reducing corneocyte production.
📦 How Supplied / Storage and Handling ▾
HOW SUPPLIED Selenium Sulfide Topical Suspension USP, 2.5% (Lotion) is available as follows: 4 fl oz plastic bottle (NDC 45802- 040 -64).
📦 Storage and Handling ▾
Store at 20°-25°C (68°-77°F) [see USP Controlled Room Temperature].
📋 Description ▾
DESCRIPTION A liquid antiseborrheic, antifungal preparation for topical application. Selenium sulfide has the molecular formula SeS 2 and has a molecular weight of 143.09.
💬 Information for Patients ▾
Information for Patients - Application to skin or scalp may produce skin irritation or sensitization. If sensitivity reactions occur, use should be discontinued. May be irritating to mucous membranes of the eyes and contact with this area should be avoided.
When applied to the body for treatment of tinea versicolor, Selenium Sulfide Topical Suspension USP, 2.5% (Lotion) may produce skin irritation especially in the genital area and where skin folds occur. These areas should be thoroughly rinsed after application.
⚠️ Precautions ▾
PRECAUTIONS General - Should not be used when acute inflammation or exudation is present as increased absorption may occur. Information for Patients - Application to skin or scalp may produce skin irritation or sensitization. If sensitivity reactions occur, use should be discontinued.
May be irritating to mucous membranes of the eyes and contact with this area should be avoided. When applied to the body for treatment of tinea versicolor, Selenium Sulfide Topical Suspension USP, 2.5% (Lotion) may produce skin irritation especially in the genital area and where skin folds occur. These areas should be thoroughly rinsed after application.
Carcinogenesis - Studies in mice using dermal application of 25% and 50% solutions of 2.5% selenium sulfide topical suspension, over an 88 week period, indicated no carcinogenic effects. Pregnancy - WHEN USED ON BODY SURFACES FOR THE TREATMENT OF TINEA VERSICOLOR, SELENIUM SULFIDE IS CLASSIFIED AS PREGNANCY CATEGORY "C". Animal reproduction studies have not been conducted with Selenium Sulfide Topical Suspension USP, 2.5% (Lotion).
It is also not known whether Selenium Sulfide Topical Suspension USP, 2.5% (Lotion) can cause fetal harm when applied to body surfaces of a pregnant woman or can affect reproduction capacity. Under ordinary circumstances Selenium Sulfide Topical Suspension USP, 2.5% (Lotion) should not be used for the treatment of tinea versicolor in pregnant women. Pediatric Use - Safety and effectiveness in infants have not been established.
📄 Carcinogenesis, Mutagenesis, Impairment of Fertility ▾
Carcinogenesis - Studies in mice using dermal application of 25% and 50% solutions of 2.5% selenium sulfide topical suspension, over an 88 week period, indicated no carcinogenic effects.
📄 Package Label / Principal Display Panel ▾
Principal Display Panel NDC 45802- 040 -64 Rx Only Selenium Sulfide Topical Suspension USP, 2.5% (Lotion) For External Use Only Shake Well Before Use 4 FL OZ Peel Here Label