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Thera Plus Original Strength Triple Antibiotic
Bacitracin ZINC, Neomycin SULFATE, Polymyxin B Sulfate · Ointment
Overview
Active ingredients
Source: NDC DirectoryForms, strengths and routes
Source: NDC DirectoryPharmacologic classes are listed in the class section below.
Pharmacologic class
Source: NDC Directory| Class | Type | Browse |
|---|---|---|
| Aminoglycoside Antibacterial [EPC] | EPC | All 66 members |
| Aminoglycosides [CS] | CS | All 66 members |
| Decreased Cell Wall Synthesis & Repair [PE] | PE | All 41 members |
| Polymyxin-class Antibacterial [EPC] | EPC | All 55 members |
| Polymyxins [CS] | CS | All 55 members |
Regulatory status
Source: Drugs@FDANDC Directory| Product | Trade name | Form | Strength | Ingredient | Status | TE | Flags |
|---|---|---|---|---|---|---|---|
| 000004-004 | PAREDRINE | SOLUTION/DROPS | HYDROXYAMPHETAMINE HYDROBROMIDE | Discontinued | — |
Approval history
Source: Drugs@FDA| Type | No. | Action | Status | Date | Review |
|---|---|---|---|---|---|
| Supplement | 11 | Labeling | Approved | May 26, 1987 | — |
| Supplement | 10 | Labeling | Approved | May 8, 1980 | — |
| Original application | 1 | Approved | July 16, 1969 | Unknown |
Prescribing information
Source: openFDA Drug LabelingReproduced verbatim from the Structured Product Labeling submitted to the FDA (effective 20251202). This is the manufacturer's labelling text, not a summary and not advice.
Indications and Usage
openFDA Drug LabelingUses for first aid to help to prevent infection in minor: • cuts • scrapes • burns
Purpose
openFDA Drug LabelingPurpose First aid antibiotic
Dosage and Administration
openFDA Drug LabelingDirections • Adults and children 2 years of age and older: • clean the affected area • apply a small amount of this product (an amount equal to the surface area of the tip of a finger) to affected area 1 to 3 times daily • may be covered with a sterile bandage. • children under 2 years of age: ask a doctor before use
Warnings
openFDA Drug LabelingWarnings For external use only. Do not use • if you are allergic to any of the ingredients in this product • in contact with the eyes or mucous membranes • over large areas of the body • longer than 1 week unless directed by a doctor When using this product avoid contact with eyes Ask a doctor before use if you have • deep or puncture wounds • animal bites • serious burns Stop use and ask a doctor if • symptoms last for more than 7 days • the conditions persists or gets worse • symptoms clear up and the occur again within a few days • a rash or other allergic reaction occurs Keep out of reach of children. If swallowed, get medical help or contact a Poison Control Center right away (1-800-222-1222).
Do Not Use
openFDA Drug LabelingDo not use • if you are allergic to any of the ingredients in this product • in contact with the eyes or mucous membranes • over large areas of the body • longer than 1 week unless directed by a doctor
Ask a Doctor
openFDA Drug LabelingAsk a doctor before use if you have • deep or puncture wounds • animal bites • serious burns
Stop Use
openFDA Drug LabelingStop use and ask a doctor if • symptoms last for more than 7 days • the conditions persists or gets worse • symptoms clear up and the occur again within a few days • a rash or other allergic reaction occurs
Active Ingredient
openFDA Drug LabelingActive ingredients (in each gram) Bacitracin zinc 400 units Neomycin sulfate 3.5 mg Polymyxin B sulfate 5,000 units Purpose First aid antibiotic
Adverse event reports
Source: openFDA FAERSAttributed to this product's most-reported active ingredient: POLYMYXIN B SULFATE. Combination products with more than six active ingredients are not attributed, because a report count summed across a long ingredient list measures the list, not the medicine.
Packaging and NDCs
Source: NDC Directory| Package NDC | Product NDC | Labeler | Description | Marketing start |
|---|---|---|---|---|
| 80684-140-00 | 80684-140 | FOURSTAR GROUP USA, INC. | 14 g in 1 TUBE (80684-140-00) | March 3, 2025 |
| 80684-198-00 | 80684-198 | Fourstar Group USA, Inc | 6 PACKET in 1 BOX (80684-198-00) / .9 g in 1 PACKET | November 20, 2025 |
| 80684-140 | 80684-140 | FOURSTAR GROUP USA, INC. | — | March 3, 2025 |
| 80684-198 | 80684-198 | Fourstar Group USA, Inc | — | November 20, 2025 |
Sources for this page
| Dataset | Agency | Used for |
|---|---|---|
| NDC Directory | FDA | Identity, ingredients, strengths, forms, routes, labelers, packages |
| Drugs@FDA | FDA | Application, sponsor, submissions, review documents, marketing status |
| Drug Labeling | FDA / NLM | Prescribing information reproduced above |
| FAERS | FDA | Adverse event report counts |
Generated September 25, 2026 · 10 sections on this page.