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Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice.
Brand Name
Rigboo 12% Gel Azelaic Acid Acne
Generic Name
Acne Gel
Active Ingredient
Azelaic AcidCategory
Other
Variants
1
Different strengths and dosage forms
| Strength | Form | Route | NDC |
|---|---|---|---|
| .002 mg/100g | GEL | TOPICAL | 84507-045 |
Detailed information about Rigboo 12% Gel Azelaic Acid Acne
This page is for informational purposes only and does not replace medical advice. Before using any prescription or over-the-counter medication for Rigboo 12% Gel Azelaic Acid Acne, you must consult a qualified healthcare professional.
Azelaic acid is a naturally occurring dicarboxylic acid used topically to treat inflammatory acne vulgaris and rosacea. It works through antimicrobial, anti-inflammatory, and antikeratinizing mechanisms.
For the treatment of Acne Vulgaris, the standard adult dosage is the application of a thin film of 20% azelaic acid cream to the affected areas twice daily, typically in the morning and evening. For the treatment of Rosacea, the standard dosage is the application of the 15% gel or foam to the entire facial area twice daily.
It is important to note that azelaic acid is intended for long-term management. While some patients may notice improvement within 4 weeks, the full therapeutic effect often requires 8 to 12 weeks of consistent use. If no improvement is seen after 12 weeks of acne treatment, the healthcare provider should re-evaluate the treatment plan. For rosacea, the medication is often used indefinitely to maintain remission.
Azelaic acid is approved for use in pediatric patients for specific indications:
Because systemic absorption of topical azelaic acid is extremely low (less than 5%), dosage adjustments are generally not required for patients with mild to moderate renal impairment. However, in cases of severe renal failure, patients should be monitored closely, though no specific guidelines for dose reduction exist for topical applications.
Azelaic acid does not undergo significant hepatic metabolism via the CYP450 system. Therefore, no dosage adjustments are typically necessary for patients with liver disease.
Clinical studies of azelaic acid did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects. However, general clinical experience has not identified differences in responses between the elderly and younger patients. Dose selection for an elderly patient should be cautious, usually starting at the lower end of the dosing range.
Proper application technique is vital for the efficacy of azelaic acid and to minimize side effects:
If you miss a dose, apply it as soon as you remember. However, if it is almost time for your next scheduled application, skip the missed dose and return to your regular dosing schedule. Do not apply extra medication to make up for a missed dose, as this significantly increases the risk of skin irritation.
Systemic overdose from topical application is highly unlikely due to the low absorption rate. If the medication is accidentally ingested, contact a poison control center or seek emergency medical attention immediately. While azelaic acid has low oral toxicity, the inactive ingredients in the cream or gel base could cause gastrointestinal upset. If you apply too much to the skin, you may experience severe redness, burning, or peeling. In such cases, wash the area thoroughly and consult your healthcare provider.
> Important: Follow your healthcare provider's dosing instructions. Do not adjust your dose or stop treatment without medical guidance, as this may lead to a relapse of symptoms.
The most frequently reported side effects associated with azelaic acid are localized to the site of application. These symptoms are usually mild to moderate in intensity and often occur during the first few weeks of treatment as the skin adjusts to the medication. Common reactions include:
In many cases, these side effects diminish with continued use. If the irritation is bothersome, your doctor may suggest reducing the frequency of application to once daily until the skin becomes more tolerant.
Some patients may experience more pronounced skin reactions, including:
Rare but documented side effects include:
While azelaic acid is generally safe, serious allergic reactions can occur. You must monitor your body's response closely.
> Warning: Stop taking Azelaic Acid and call your doctor immediately if you experience any of these:
Azelaic acid is considered safe for long-term use, and many patients use it for years to manage rosacea. The primary long-term concern is Hypopigmentation. Because the medication targets hyperactive melanocytes (pigment-producing cells), prolonged use on normal skin in individuals with deep skin tones may lead to localized areas of lighter skin. Regular skin examinations by a dermatologist are recommended for patients using the medication for more than 6 months. There is no evidence that azelaic acid causes systemic toxicity or organ damage with long-term topical use.
No FDA black box warnings for Azelaic Acid. It is generally regarded as having a high safety profile for a prescription dermatological agent.
Report any unusual symptoms or persistent irritation to your healthcare provider. They may adjust your treatment regimen or recommend specific moisturizers to mitigate local side effects.
Azelaic acid is for external topical use only. It must not be used in the eyes, mouth, or other mucous membranes. If the medication comes into contact with the eyes, they should be flushed immediately with large amounts of cool water. If eye irritation persists, a medical consultation is required. Patients should also be advised that the foam formulation is flammable; therefore, they should avoid smoking or being near an open flame during and immediately after application.
No FDA black box warnings for Azelaic Acid. Unlike some other acne medications (such as systemic isotretinoin), azelaic acid does not carry severe warnings regarding birth defects or psychiatric issues.
There are no requirements for routine blood work (such as liver function tests or complete blood counts) when using topical azelaic acid, as systemic levels remain negligible. Monitoring is primarily clinical:
Azelaic acid has no known effect on the ability to drive or operate heavy machinery. It does not cause sedation or impair cognitive function.
There are no direct pharmacological interactions between topical azelaic acid and alcohol. However, for patients treating Rosacea, alcohol consumption is a well-known trigger that can cause facial flushing and exacerbate the condition. Patients are often advised to limit alcohol intake to better manage their rosacea symptoms.
Azelaic acid does not require a tapering period. It can be stopped abruptly without risk of systemic withdrawal. However, stopping the medication may result in a recurrence of acne or rosacea symptoms within a few weeks. If you plan to stop treatment, discuss a maintenance plan with your dermatologist to prevent flares.
> Important: Discuss all your medical conditions, especially a history of asthma or skin pigment disorders, with your healthcare provider before starting Azelaic Acid.
There are no documented systemic drug-drug interactions that are strictly contraindicated with topical azelaic acid. Because less than 5% of the drug is absorbed into the bloodstream, it does not reach concentrations high enough to interfere with the metabolism of oral medications. However, at the topical level, patients should avoid using other highly irritating skin treatments (such as strong chemical peels) simultaneously on the same area of skin, as this can lead to severe skin sloughing and pain.
There are no known interactions between azelaic acid and specific foods like grapefruit or dairy. However, for patients with Rosacea, certain foods are known to trigger the underlying condition. These include:
There are no known interactions between topical azelaic acid and common herbal supplements like St. John's Wort or Ginkgo Biloba. Because azelaic acid is not metabolized by the liver's CYP450 enzymes, the risk of herbal interference is virtually non-existent.
Azelaic acid is not known to interfere with standard laboratory tests, including blood chemistry, urinalysis, or coagulation studies. It does not affect blood glucose levels or lipid profiles.
To minimize the risk of interactions, the following strategy is recommended:
> Important: Tell your doctor about ALL medications, supplements, and herbal products you are taking, including over-the-counter skin creams and 'natural' skincare treatments.
Azelaic acid is contraindicated in individuals with a known history of hypersensitivity to azelaic acid or any of the inactive ingredients (excipients) in the specific formulation.
Relative contraindications require a careful risk-benefit analysis by a healthcare provider:
There is no significant evidence of cross-sensitivity between azelaic acid and other common dermatological agents like benzoyl peroxide or topical antibiotics (clindamycin/erythromycin). However, patients who are sensitive to other dicarboxylic acids (such as sebacic acid or adipic acid) should use azelaic acid with caution, as their chemical structures are closely related.
> Important: Your healthcare provider will evaluate your complete medical history, including any history of skin allergies or reactive airway disease, before prescribing Azelaic Acid.
FDA Pregnancy Category B: (Note: The FDA has phased out letter categories, but the data remains consistent). Animal reproduction studies have been performed in rats, rabbits, and monkeys at oral doses much higher than the human topical dose, and no evidence of harm to the fetus was observed. However, there are no adequate and well-controlled studies in pregnant women. Because animal reproduction studies are not always predictive of human response, azelaic acid should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. Most dermatologists consider it one of the safer options for treating acne during pregnancy compared to retinoids, which are strictly contraindicated.
It is not known whether azelaic acid is excreted in human milk in significant amounts. However, given that less than 5% of the topical dose is absorbed systemically, the amount transferred to milk is expected to be negligible. In equilibrium dialysis studies, azelaic acid was found to pass into milk in very small quantities. Caution should be exercised when azelaic acid is administered to a nursing woman. To minimize risk, ensure the infant's skin does not come into direct contact with the treated areas of the mother's skin. Avoid applying the medication to the breast or nipple area to prevent accidental ingestion by the nursing infant.
Clinical studies did not identify any significant differences in safety or efficacy between patients over 65 and younger patients. However, elderly patients often have thinner skin and a more fragile skin barrier, which may make them more susceptible to the local irritant effects (burning, stinging) of the medication. No specific dosage adjustments are required based on age alone, but a 'start low and go slow' approach is often prudent.
While azelaic acid is primarily eliminated by the kidneys, the systemic exposure following topical application is so low that even in patients with significant renal impairment, the drug is unlikely to accumulate to toxic levels. No specific GFR-based (Glomerular Filtration Rate) dose adjustments are provided in the manufacturer's labeling. However, patients on dialysis should be monitored for any unusual systemic symptoms.
Azelaic acid does not rely on hepatic metabolism for its clearance. Therefore, no dose adjustments are necessary for patients with any degree of hepatic impairment (Child-Pugh Class A, B, or C). It is not known to cause hepatotoxicity.
> Important: Special populations require individualized medical assessment. Always inform your doctor if you are pregnant, planning to become pregnant, or breastfeeding before starting this medication.
Azelaic acid is a dicarboxylic acid that exerts its therapeutic effects through several distinct molecular mechanisms:
Azelaic acid's effects are localized to the skin. The onset of antimicrobial action is relatively quick, but the visible reduction in inflammatory lesions (papules and pustules) takes longer, typically 4 to 8 weeks, as the inflammatory cascade must be dampened and the skin cycle must progress. There is no evidence of systemic pharmacodynamic effects at recommended topical doses. No development of bacterial resistance has been reported even with prolonged use, which is a significant advantage over topical antibiotics like clindamycin.
| Parameter | Value |
|---|---|
| Bioavailability | 3% - 5% (Topical) |
| Protein Binding | Negligible |
| Half-life | ~12 hours (following topical application) |
| Tmax | Not applicable (local effect; peak plasma levels in 24h) |
| Metabolism | Minimal Beta-oxidation |
| Excretion | Renal (primarily as unchanged drug) |
Azelaic acid is classified as a Dicarboxylic Acid Topical Anti-Acne/Anti-Rosacea Agent. It is unique in its class, as most other acne treatments are either retinoids, benzoyl peroxide, or antibiotics. Because of its multi-modal action, it is often used as monotherapy or as part of a combination regimen for patients who cannot tolerate more aggressive treatments.
Common questions about Rigboo 12% Gel Azelaic Acid Acne
Azelaic acid is primarily used to treat two common skin conditions: inflammatory acne vulgaris and rosacea. For acne, it works by killing the bacteria that infect pores and by decreasing the production of keratin, a natural substance that can lead to the development of acne. In rosacea, it helps reduce the inflammation that causes papules (small red bumps) and pustules (pus-filled bumps). Additionally, it is sometimes used off-label by dermatologists to treat skin pigment issues like melasma or post-inflammatory hyperpigmentation. It is available in various forms, including creams, gels, and foams, depending on the specific condition being treated. Always consult your healthcare provider to see which formulation is appropriate for your skin type.
The most common side effects of azelaic acid are localized skin reactions that occur shortly after application. These include sensations of burning, stinging, or tingling, which usually last only a few minutes. Many patients also report itching (pruritus) or mild skin dryness and scaling during the first few weeks of use. These symptoms are typically a sign that the skin is adjusting to the medication and often improve over time. If the irritation becomes severe or results in significant redness and peeling, your doctor may suggest using it less frequently. It is important to avoid harsh cleansers or alcohol-based products that can make these side effects worse.
There is no known direct interaction between topical azelaic acid and alcohol consumption that would affect the medication's chemistry. However, if you are using azelaic acid to treat rosacea, you should be aware that alcohol is a very common trigger for rosacea flares. Drinking alcohol can cause facial flushing and increase the redness and inflammation that the medication is working to reduce. Therefore, while it is not 'dangerous' to mix the two, many healthcare providers recommend limiting alcohol to maximize the effectiveness of your skin treatment. Always discuss your lifestyle habits with your doctor when managing a chronic skin condition like rosacea.
Azelaic acid is generally considered one of the safer prescription options for treating acne or rosacea during pregnancy. It is classified as Pregnancy Category B, meaning animal studies have shown no risk to the fetus, though human studies are limited. Because very little of the medication is absorbed into the bloodstream from the skin, the risk to a developing baby is thought to be very low. Many dermatologists prescribe it as an alternative to retinoids, which must be avoided during pregnancy. However, you should always inform your healthcare provider if you are pregnant or planning to become pregnant before starting any new medication. They will help you weigh the benefits of treatment against any potential risks.
Patience is key when using azelaic acid, as it does not produce overnight results. Most patients begin to see a noticeable improvement in their skin after about 4 weeks of consistent, twice-daily use. However, the full therapeutic benefits, including a significant reduction in acne lesions or rosacea pustules, usually take between 8 and 12 weeks to manifest. It is important to continue applying the medication even if you don't see immediate changes, as it works by gradually normalizing skin processes and reducing deep-seated inflammation. If you see no improvement after 3 months of use, you should consult your healthcare provider to discuss alternative treatments.
Yes, you can stop taking azelaic acid suddenly without experiencing any systemic withdrawal symptoms or physical 'rebound' effects. Unlike some topical steroids, azelaic acid does not cause the skin to thin or become dependent on the medication. However, because acne and rosacea are chronic conditions, stopping the medication will likely result in a return of your symptoms over time. For many patients with rosacea, azelaic acid is used as a long-term maintenance therapy to keep the skin clear. If you wish to discontinue use, it is best to discuss a long-term skin maintenance plan with your dermatologist first.
If you miss a dose of azelaic acid, apply it as soon as you remember, provided it is not almost time for your next scheduled application. If you are close to your next dose, simply skip the missed one and continue with your regular morning or evening routine. You should never apply a double amount of the cream, gel, or foam to make up for a missed dose. Doing so will not make the medication work faster and will significantly increase your risk of experiencing skin irritation, burning, and redness. Consistency is more important for long-term results than the exact timing of a single application.
No, topical azelaic acid does not cause weight gain. Because the medication is applied to the skin and very little of it (less than 5%) enters the systemic circulation, it does not affect your metabolism, appetite, or hormone levels in a way that would lead to weight changes. Weight gain is not listed as a side effect in any clinical trials for Azelex or Finacea. If you experience unexplained weight gain while using this medication, it is likely due to other factors such as diet, lifestyle, or other underlying medical conditions. You should discuss any significant weight changes with your primary care physician.
Azelaic acid can be used alongside many other medications, but you must be careful with other topical treatments. Using it at the same time as other irritating products like tretinoin, benzoyl peroxide, or salicylic acid can lead to severe skin dryness and irritation. To minimize this, many doctors recommend applying azelaic acid in the morning and other treatments in the evening. Because so little azelaic acid enters the bloodstream, it does not typically interact with oral medications like birth control pills, antibiotics, or blood pressure drugs. Always provide your healthcare provider with a full list of all products you use, including over-the-counter serums and supplements.
Yes, azelaic acid is available in generic versions for both the 15% gel and the 20% cream formulations. Generic versions are required by the FDA to have the same active ingredient, strength, and efficacy as the brand-name products like Finacea or Azelex. Choosing a generic can often be a more cost-effective way to manage chronic skin conditions. However, the inactive ingredients (the base of the cream or gel) may vary slightly between manufacturers, which can sometimes affect how the product feels on your skin or how quickly it absorbs. If you have sensitive skin or known allergies to certain preservatives, check the ingredient list of the generic version with your pharmacist.
Other drugs with the same active ingredient (Azelaic Acid)