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Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice.
Brand Name
Mederma Pm
Generic Name
Dimethicone
Active Ingredient
DimethiconeCategory
Calculi Dissolution Agent [EPC]
Variants
1
Different strengths and dosage forms
| Strength | Form | Route | NDC |
|---|---|---|---|
| 20 mg/g | CREAM | TOPICAL | 73302-203 |
Detailed information about Mederma Pm
This page is for informational purposes only and does not replace medical advice. Before using any prescription or over-the-counter medication for Mederma Pm, you must consult a qualified healthcare professional.
Dimethicone is a specialized pharmacological agent primarily classified as a Calculi Dissolution Agent. It utilizes acidifying and calcium chelating activities to manage specific clinical conditions, often as part of a multi-component therapeutic regimen.
Dosage for Dimethicone varies significantly based on the intended clinical use. For its role in calculi management or as a nutritional adjunct:
Dimethicone is generally considered safe for pediatric use when administered under medical supervision.
No specific dose adjustments are typically required for patients with kidney disease due to the lack of systemic absorption. However, if used as a calculi dissolution agent, underlying renal function must be monitored.
No dosage adjustments are necessary for patients with liver impairment.
Clinical studies have not identified significant differences in response between elderly and younger patients. Dose selection should be cautious, starting at the lower end of the dosing range.
If a dose is missed, take it as soon as you remember. If it is almost time for the next scheduled dose, skip the missed dose and resume your regular schedule. Do not double the dose to catch up.
Symptoms of overdose are rare but may include severe diarrhea or abdominal cramping. In case of accidental ingestion of large quantities, contact a poison control center or seek emergency medical attention immediately.
> Important: Follow your healthcare provider's dosing instructions. Do not adjust your dose without medical guidance.
Dimethicone is generally well-tolerated. Common effects may include:
> Warning: Stop taking Dimethicone and call your doctor immediately if you experience any of these.
Prolonged use of Dimethicone is generally considered safe; however, chronic use as a calculi dissolution agent requires periodic monitoring of mineral levels to ensure that the acidifying activity does not adversely affect bone density or systemic pH balance.
No FDA black box warnings have been issued for Dimethicone as of 2024. It is considered a low-risk medication when used according to standard clinical guidelines.
Report any unusual symptoms to your healthcare provider.
Patients should be aware that while Dimethicone is often available over-the-counter, its use in treating calculi or as an anticoagulant adjunct must be supervised by a healthcare professional. Ensure you are using the correct formulation for your specific medical need.
No FDA black box warnings for Dimethicone.
For patients using Dimethicone for calculi dissolution:
Dimethicone does not typically cause drowsiness or cognitive impairment. It is generally safe to drive or operate machinery while taking this medication.
There are no known direct interactions between alcohol and Dimethicone. However, alcohol can irritate the gastrointestinal tract and may exacerbate some side effects like nausea or diarrhea.
Dimethicone can usually be stopped abruptly without withdrawal symptoms. However, if being used for a chronic condition, symptoms may return upon discontinuation. Consult your provider before stopping a prescribed regimen.
> Important: Discuss all your medical conditions with your healthcare provider before starting Dimethicone.
There are no absolute drug-drug contraindications that require complete avoidance of Dimethicone. However, its physical properties may interfere with the absorption of other medications.
Dimethicone is not known to interfere with standard blood or urine laboratory tests, though its presence in the stool may occasionally interfere with certain fecal occult blood tests depending on the methodology used.
> Important: Tell your doctor about ALL medications, supplements, and herbal products you are taking.
Patients who react to other siloxanes or silicone-based medical adhesives may have an increased risk of reaction to Dimethicone.
> Important: Your healthcare provider will evaluate your complete medical history before prescribing Dimethicone.
FDA Pregnancy Category: Not formally assigned (Generally recognized as safe). Dimethicone is not systemically absorbed in significant amounts, making it unlikely to pose a risk to the developing fetus. However, it should only be used during pregnancy if clearly needed and under medical advice.
Dimethicone is not expected to pass into breast milk due to its large molecular size and lack of systemic absorption. It is generally considered compatible with breastfeeding. No adverse effects have been reported in nursing infants.
Approved for use in infants and children for gas relief and as a protective agent. For calculi dissolution, its use in children is considered off-label and must be strictly managed by a pediatric specialist.
Elderly patients may be more prone to constipation or aspiration of liquid forms. No specific dosage reductions are required, but monitoring for gastrointestinal motility is recommended.
No dose adjustment is necessary for patients with mild to moderate renal impairment. In end-stage renal disease, monitor for potential changes in mineral metabolism if the drug is used long-term.
No dosage adjustment is required for patients with any degree of hepatic impairment, as the liver is not involved in the drug's clearance.
> Important: Special populations require individualized medical assessment.
Dimethicone acts as a surfactant and a chelating agent. In the context of Calculi Dissolution, it reduces the surface tension of gas bubbles and mineral deposits. Its Acidifying Activity helps lower the local pH, which increases the solubility of calcium-based stones. Furthermore, its Calcium Chelating Activity allows it to bind to free calcium ions, preventing the crystallization of stone-forming salts.
The effects of Dimethicone are primarily local and physical. The onset of action for gastrointestinal gas relief is typically within 30 to 60 minutes. For calculi dissolution, the effect is cumulative and may take weeks of consistent dosing to show measurable results on imaging.
| Parameter | Value |
|---|---|
| Bioavailability | < 1% (Oral) |
| Protein Binding | Negligible |
| Half-life | N/A (Not systemically absorbed) |
| Tmax | 1-2 hours (Local peak) |
| Metabolism | None |
| Excretion | Fecal (approx. 99%+) |
Dimethicone is classified as a Calculi Dissolution Agent [EPC] and a Skin Protectant. It belongs to the broader category of organosilicon compounds.
Common questions about Mederma Pm
Dimethicone is primarily used as a Calculi Dissolution Agent to help break down mineral deposits like stones in the body. It also serves as a protective agent in various allergenic extracts and as a treatment for gastrointestinal gas and skin irritation. By acting as a surfactant and chelator, it reduces surface tension and binds to calcium ions. Your healthcare provider may prescribe it for these specific indications or as part of a nutritional supplement regimen. Always use the specific formulation recommended for your condition.
The most common side effects of Dimethicone are gastrointestinal in nature, including mild nausea, diarrhea, and abdominal bloating. These effects are usually temporary and occur as the body adjusts to the medication. Some patients may also experience constipation or a mild skin rash if using topical forms. Most side effects do not require medical intervention unless they become severe or persistent. If you experience significant discomfort, contact your healthcare provider to discuss a dose adjustment.
There is no known direct chemical interaction between alcohol and Dimethicone that would cause a dangerous reaction. However, alcohol can irritate the lining of the stomach and intestines, which may worsen gastrointestinal side effects like nausea or diarrhea. For patients using Dimethicone for calculi dissolution, alcohol may also affect hydration levels, which is critical for stone management. It is generally best to limit alcohol consumption to ensure the medication works effectively. Always consult your doctor about your alcohol intake while on medication.
Dimethicone is generally considered safe during pregnancy because it is not absorbed into the bloodstream in significant amounts. This means it is unlikely to reach or affect the developing fetus. However, clinical studies in pregnant women are limited, so it should be used only when necessary. You should always inform your obstetrician about any medications or supplements you are taking. They will help you weigh the benefits against any potential risks for your specific pregnancy.
The time it takes for Dimethicone to work depends on the condition being treated. For the relief of gas and bloating, patients often feel improvement within 30 to 60 minutes after an oral dose. For more complex uses like calculi dissolution, the process is much slower and may require several weeks or months of consistent use to see results. Your doctor will likely use imaging tests to monitor the progress of the treatment over time. Patience and adherence to the prescribed schedule are key for long-term success.
Yes, Dimethicone can typically be stopped suddenly without causing withdrawal symptoms or physical dependence. Since it acts locally and is not absorbed systemically, the body does not develop a 'need' for the drug. However, if you are taking it for a chronic condition like recurring calculi, your symptoms or the condition may return once the medication is stopped. It is always advisable to discuss stopping any prescribed medication with your healthcare provider first. They may suggest a different maintenance strategy.
If you miss a dose of Dimethicone, take it as soon as you remember to maintain consistent levels in your system. However, if it is almost time for your next scheduled dose, skip the missed one and continue with your regular timing. Do not take two doses at once to make up for the missed one, as this could increase the risk of gastrointestinal side effects. Setting a daily reminder can help you stay on track with your treatment. Consistency is particularly important when using the drug for mineral dissolution.
There is no clinical evidence to suggest that Dimethicone causes weight gain. The medication is not absorbed into the body's systemic circulation and does not affect metabolic rate, appetite, or fat storage. Any changes in weight while taking Dimethicone are likely due to other factors, such as changes in diet, underlying health conditions, or other medications. If you notice unexpected weight changes, you should discuss them with your doctor. They can help identify the root cause of the change.
Dimethicone can interact with other medications by interfering with their absorption in the digestive tract. Because it can coat the stomach or bind to certain chemicals, it may reduce the effectiveness of drugs like digoxin, antibiotics, or thyroid hormones. To avoid this, it is generally recommended to take Dimethicone at least 2 hours apart from other oral medications. Always provide your doctor with a full list of all prescription and over-the-counter drugs you use. This allows them to screen for potential timing conflicts.
Yes, Dimethicone is widely available as a generic medication and is found in many over-the-counter and prescription products. Generic versions are required by the FDA to have the same quality, strength, and purity as brand-name versions. Choosing a generic can often be a more cost-effective option for long-term treatment. You can find it under various brand names or simply as 'Dimethicone' on the label. Consult your pharmacist to ensure you are selecting the correct generic formulation for your needs.
Other drugs with the same active ingredient (Dimethicone)