| Fact Table | |
|---|---|
| Formula | C27H22Cl2N4 |
| License | FDA approved (1986); WHO essential medicine |
| Bioavailability | Variable; increased with food (oral) |
| Legal status | Prescription only (Rx); restricted use in some countries |
| Chemical Name | 3-(p-chloroanilino)-10-(p-chlorophenyl)-2,10-dihydro-2-(isopropylimino)phenazine |
| Elimination half-life | ~70 days (very long due to tissue accumulation) |
| Dosage (Strength) | 50 mg and 100 mg oral capsules; dosing varies by indication (e.g., leprosy regimens) |
| Pregnancy | Category C – Use only if potential benefit justifies risk |
| Brands | Lamprene |
| Protein binding | ~99% |
| PubChem CID | 2794 |
| MedlinePlus | a682467 |
| ChEBI | 3756 |
| ATC code | J04BA01 |
| DrugBank | DB00845 |
| KEGG | D00248 |
| Routes of administration | By mouth (oral capsules) |
Lamprene (clofazimine) is a drug used to treat leprosy (Hansen’s disease). It is usually taken along with rifampicin and dapsone to treat more severe cases of leprosy, and it is especially useful when the bacteria no longer respond well to dapsone or for managing a painful inflammatory reaction called erythema nodosum leprosum. While it helps control the bacteria that cause leprosy, how it works isn’t fully understood. Clofazimine is a red-colored compound, which explains the drug’s bright red appearance.
Lamprene is typically taken by mouth with meals as part of a combination treatment. The standard dosages are as follows but should always be prescribed by a healthcare provider.
The active ingredient in Lamprene is clofazimine.
Avoid taking or using this medication if any of the following apply:
Common side effects of Lamprene include:
More serious side effects are less common but can include bowel obstruction, gastrointestinal bleeding, heart rhythm changes (QT prolongation), and eye problems such as vision changes or retinal damage. Mood changes, including depression related to skin discoloration, have also been reported. Contact a healthcare provider immediately if you develop severe abdominal pain, persistent vomiting, vision changes, irregular heartbeat, or severe mood changes.
What is Lamprene used for?
Lamprene is an antimicrobial medication primarily used as part of combination therapy for leprosy, also known as Hansen’s disease. It helps control the infection caused by Mycobacterium leprae.
How does Lamprene work?
Lamprene works by inhibiting the growth of bacteria and reducing inflammation. Its exact mechanism is not fully understood, but it interferes with bacterial DNA and helps suppress immune-related complications of leprosy.
How is Lamprene typically taken?
Lamprene is taken by mouth, usually once daily or as directed, often in combination with other anti-leprosy medications. It is commonly taken with food to improve absorption and reduce stomach upset.
How long is Lamprene treatment usually required?
Treatment duration is typically long-term and may last several months to years, depending on the type and severity of leprosy and the overall treatment regimen.
What are the most common side effects of Lamprene?
Common side effects include skin discoloration ranging from red to brownish-black, dry skin, itching, and gastrointestinal symptoms such as abdominal pain or diarrhea.
Can Lamprene cause permanent skin discoloration?
Skin discoloration is common and may take months or years to fade after stopping treatment. In some cases, changes in skin color can be long-lasting.
Does Lamprene affect the digestive system?
Lamprene can cause stomach pain, nausea, vomiting, or diarrhea. Rarely, long-term use may lead to more serious gastrointestinal complications.
Can Lamprene affect mental health?
Mood changes, including depression or anxiety, have been reported in some individuals. Any significant changes in mood or behavior should be evaluated promptly.
Are regular tests needed while taking Lamprene?
Long-term therapy may involve monitoring for gastrointestinal symptoms and overall treatment response. Additional monitoring may be required depending on the treatment plan.
Is Lamprene safe during pregnancy or breastfeeding?
Lamprene use during pregnancy or breastfeeding requires careful consideration. The medication can cross the placenta and is present in breast milk, so use is generally based on weighing potential benefits against possible risks.
A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.
The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (e.g., different shape or color), as trademark laws prevent a generic from looking exactly like the brand-name drug.
Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.