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Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice.
Niccolum Sulphuricum
Brand Name
Niccolum Sulphuricum
Generic Name
Niccolum Sulphuricum
Active Ingredient
Nickel Sulfate HexahydrateCategory
Copper-containing Intrauterine Device [EPC]
Variants
7
Different strengths and dosage forms
| Strength | Form | Route | NDC |
|---|---|---|---|
| 12 [hp_C]/1 | PELLET | ORAL | 37662-1163 |
| 100 [hp_C]/1 | PELLET | ORAL | 37662-1165 |
| 500 [hp_C]/1 | PELLET | ORAL | 37662-1167 |
References used for this content
This page is for informational purposes only and does not replace medical advice. Before using any prescription or over-the-counter medication for Niccolum Sulphuricum, you must consult a qualified healthcare professional.
| 6 [hp_C]/1 | PELLET | ORAL | 37662-1162 |
| 200 [hp_C]/1 | PELLET | ORAL | 37662-1166 |
| 1 [hp_M]/1 | PELLET | ORAL | 37662-1168 |
| 30 [hp_C]/1 | PELLET | ORAL | 37662-1164 |
Detailed information about Niccolum Sulphuricum
Nickel Sulfate Hexahydrate is a standardized chemical allergen used primarily in patch testing to diagnose nickel contact allergy. It is a critical diagnostic tool for patients experiencing dermatitis related to metal exposure or medical implants.
For diagnostic purposes, the dosage of Nickel Sulfate Hexahydrate is standardized based on the surface area of the patch rather than body weight.
Nickel Sulfate Hexahydrate is approved for use in children and adolescents; however, it is generally reserved for those aged 6 years and older. The dosage is the same as the adult dosage (standardized patch concentration). Healthcare providers may use fewer total patches on children due to smaller back surface area, focusing only on the most likely allergens.
No dosage adjustment is required for patients with kidney disease, as the systemic absorption from a diagnostic patch is negligible.
No dosage adjustment is required for patients with liver disease.
No specific dosage adjustment is needed. However, clinicians must be aware that elderly skin may be thinner and more prone to non-specific irritation (false positives) or may have a delayed immune response.
Nickel Sulfate Hexahydrate is applied topically by a healthcare professional, usually on the upper back.
Since this is a diagnostic test administered by a doctor, "missing a dose" usually refers to the patch falling off or missing the follow-up appointment. If the patch becomes loose, do not attempt to reapply it yourself with high-strength adhesives; call your doctor. If you miss the 48-hour or 96-hour reading, the test may be invalidated and may need to be repeated at a later date.
An "overdose" in the context of patch testing would involve an excessive concentration of the allergen or an excessively long application time.
> Important: Follow your healthcare provider's dosing instructions. Do not adjust your dose or remove the patch early without medical guidance.
Because Nickel Sulfate Hexahydrate is designed to provoke a controlled immune response, localized skin reactions are expected in sensitive individuals.
Nickel Sulfate Hexahydrate is for diagnostic use only. It is not a treatment for nickel allergy. The most critical safety consideration is the timing of the test; it should never be performed during an acute flare-up of dermatitis, as this can lead to false-positive results and significant patient discomfort.
No FDA black box warnings for Nickel Sulfate Hexahydrate.
There are no "lethal" drug combinations with Nickel Sulfate Hexahydrate, but certain medications will make the test completely useless by suppressing the immune response.
Nickel Sulfate Hexahydrate must NEVER be used in the following situations:
Nickel Sulfate Hexahydrate is generally classified as Pregnancy Category C. There are no adequate and well-controlled studies in pregnant women. Because patch testing is a diagnostic procedure and not an essential treatment, it is standard clinical practice to postpone testing until after the pregnancy is complete. This avoids the risk of a systemic allergic reaction or the need for medications to treat a severe patch test reaction during pregnancy.
It is unknown if nickel from a topical patch is excreted in human milk. However, given the minimal systemic absorption from a 200 µg/cm² patch, the risk to a nursing infant is considered negligible. The primary concern is ensuring the infant does not come into physical contact with the patch or the test site on the mother's back.
Nickel allergy is increasingly common in children, often due to early ear piercing. The T.R.U.E. TEST is FDA-approved for children as young as 6 years old
Nickel Sulfate Hexahydrate acts as a specific antigenic challenge. It is a metallic salt that, upon contact with the skin, dissociates into nickel ions (Ni2+). These ions are haptens that penetrate the epidermis and form covalent bonds with amino acids (specifically histidine and lysine residues) on skin proteins. This nickel-protein conjugate is recognized by the immune system as "foreign."
In sensitized individuals, memory T-cells (specifically CD4+ and CD8+ T-cells) recognize this conjugate. This triggers a cascade of inflammatory mediators, including Interferon-gamma (IFN-γ) and Tumor Necrosis Factor-alpha (TNF-α). These cytokines recruit other inflammatory cells to the site, resulting in the classic clinical presentation of allergic contact dermatitis: edema, erythema, and vesiculation.
Common questions about Niccolum Sulphuricum
Nickel Sulfate Hexahydrate is used as a diagnostic agent in patch testing to determine if a person has a nickel allergy. When applied to the skin under a patch for 48 hours, it triggers a localized immune response in sensitive individuals. This helps doctors diagnose allergic contact dermatitis caused by jewelry, clothing fasteners, or medical implants. It is a standardized tool used by dermatologists to ensure accurate and reproducible results. According to the FDA, it is an essential component of the baseline allergy screening series.
The most common side effects are localized to the area where the patch was applied and include redness, intense itching, and small bumps or blisters. These symptoms are actually the 'positive' signs the doctor is looking for to confirm an allergy. Most of these reactions appear within 48 to 96 hours and fade within a week. Some patients may experience a temporary darkening of the skin (hyperpigmentation) at the site. Serious systemic side effects like hives or difficulty breathing are extremely rare.
There is no direct contraindication for drinking alcohol during a nickel patch test. However, alcohol can cause blood vessels in the skin to dilate, which might make the skin appear more red or flushed. This could potentially make it harder for your doctor to accurately read a mild reaction. It is generally best to avoid heavy alcohol consumption for the 3 to 4 days of the testing period. Always follow the specific advice provided by your dermatology clinic.
While there is no evidence that Nickel Sulfate Hexahydrate causes birth defects, it is generally not recommended during pregnancy. Most healthcare providers prefer to wait until after delivery to perform elective diagnostic tests like patch testing. This is a precautionary measure to avoid any systemic immune stress or the need for topical steroids to treat a severe reaction. If you are pregnant or planning to become pregnant, inform your doctor before the test is scheduled. Testing is usually postponed to ensure the safety of both mother and baby.
Nickel Sulfate Hexahydrate works through a delayed-type hypersensitivity reaction, which takes time to develop. The patch must remain on the skin for 48 hours to allow the nickel ions to penetrate and trigger the immune system. A 'reading' is then taken by the doctor at the 48-hour mark and again at 72 to 96 hours. Some reactions may not even appear until 5 or 7 days after the initial application. This is why you cannot get an immediate result like you would with a hay fever skin-prick test.
Since Nickel Sulfate Hexahydrate is applied as a patch for a one-time test, 'stopping' simply means removing the patch. There are no withdrawal symptoms or physical dependencies associated with this substance. However, if you remove the patch earlier than the 48 hours recommended by your doctor, the test will likely be inaccurate. If you experience extreme pain or a burning sensation, you should contact your doctor before removing it. Once the test is over, no further use of the substance is required.
In the context of patch testing, a 'missed dose' usually means the patch has fallen off or you missed your follow-up appointment. If the patch comes loose, do not try to tape it back down yourself with heavy duct tape; call your doctor's office for instructions. If you miss the appointment where the doctor reads the results, the test may be useless, as the reaction could fade before it is seen. You would likely need to wait several weeks before the test can be repeated on a different area of skin.
No, Nickel Sulfate Hexahydrate does not cause weight gain. It is a topical diagnostic agent used in minute quantities (micrograms) for a very short period. It does not enter the bloodstream in amounts that could affect metabolism, hormones, or appetite. Any changes in weight during the week of testing would be unrelated to the nickel sulfate itself. If you are concerned about weight changes, discuss them with your primary care physician.
Nickel Sulfate Hexahydrate can be used while taking most medications, but steroids and immunosuppressants are major exceptions. Drugs like prednisone or methotrexate will suppress your immune system and prevent the patch test from working, leading to a false negative. Most doctors require you to be off oral steroids for at least two weeks before testing. Antihistamines generally do not interfere with the results, but you should still provide your doctor with a full list of your current medications. Topical creams used on the back must also be stopped before the test.
Nickel Sulfate Hexahydrate is a standardized chemical, so it doesn't have a 'brand vs generic' distinction in the same way tablets do. However, it is sold as part of different commercial patch testing systems, such as the T.R.U.E. TEST or as individual allergens from companies like Chemotechnique or SmartPractice. These are professional medical products and are not available for purchase by the general public. The cost and availability will depend on the specific testing system your dermatologist uses.
Other drugs with the same active ingredient (Nickel Sulfate Hexahydrate)
> Warning: Stop taking Nickel Sulfate Hexahydrate (remove the patch) and call your doctor immediately if you experience any of these.
Nickel Sulfate Hexahydrate is a one-time diagnostic tool, so long-term side effects from the substance itself are virtually non-existent. However, the most significant "long-term" effect is the induction of sensitivity. In very rare cases, a person who was not previously allergic to nickel may become sensitized (develop a new allergy) because of the test itself. This is estimated to occur in less than 0.1% of patients.
No FDA black box warnings for Nickel Sulfate Hexahydrate. It is considered a safe diagnostic agent when used according to professional guidelines.
Report any unusual symptoms to your healthcare provider. If you experience a reaction that seems excessively severe, do not wait for your scheduled appointment; contact the clinic immediately.
There are no laboratory tests (like blood work) required for Nickel Sulfate Hexahydrate. Monitoring is strictly clinical:
Nickel Sulfate Hexahydrate does not affect the central nervous system. It is safe to drive and operate machinery while the patches are in place, provided the patient does not have significant pain or discomfort that would impair their focus.
There are no direct interactions between alcohol and Nickel Sulfate Hexahydrate. However, heavy alcohol consumption can cause vasodilation (widening of blood vessels), which might theoretically increase skin redness and complicate the reading of the test.
Discontinuation simply involves removing the patch. There is no withdrawal syndrome. If a patient experiences an unbearable reaction, the patch should be removed immediately, and the area washed. The diagnostic value of the test will be lost if removed before the 48-hour mark.
> Important: Discuss all your medical conditions with your healthcare provider before starting Nickel Sulfate Hexahydrate. Ensure they are aware of any history of severe metal allergies or recent use of steroid medications.
Nickel Sulfate Hexahydrate does not interfere with standard blood or urine laboratory tests. Its presence is localized to the skin.
> Important: Tell your doctor about ALL medications, supplements, and herbal products you are taking. Even over-the-counter creams used on your back can change the results of your nickel allergy test.
Patients who react to Nickel Sulfate Hexahydrate may also show sensitivity to:
> Important: Your healthcare provider will evaluate your complete medical history before prescribing Nickel Sulfate Hexahydrate. They will ensure the timing is right for an accurate and safe result.
In patients over 65, the skin's immune response (the T-cell mediated reaction) may be slower or less robust. This can lead to weaker positive results that are harder to read. Additionally, elderly patients often have thinner skin (atrophy), which increases the risk of irritant reactions. Healthcare providers should be particularly careful to perform the delayed 96-hour reading in this population.
Patients with end-stage renal disease (ESRD) or those on dialysis can safely undergo nickel patch testing. Systemic absorption is too low to impact or be impacted by kidney function. However, uremic pruritus (itching caused by kidney failure) can make it difficult for the patient to distinguish between the test reaction and their baseline itching.
There are no known issues with using Nickel Sulfate Hexahydrate in patients with liver disease. The substance does not undergo hepatic metabolism.
> Important: Special populations require individualized medical assessment. Always inform your specialist if you are pregnant or have underlying organ dysfunction before undergoing allergy testing.
| Parameter | Value |
|---|---|
| Bioavailability | Negligible (Topical/Occluded) |
| Protein Binding | High (Local skin proteins) |
| Half-life | N/A (Elemental) |
| Tmax | 48–96 hours (for clinical effect) |
| Metabolism | None |
| Excretion | Renal (trace amounts) |
Nickel Sulfate Hexahydrate is a Standardized Chemical Allergen. It is part of the "Baseline Series" of allergens, which includes other common sensitizers like Fragrance Mix, Quaternium-15, and Potassium Dichromate. In the EPC (Established Pharmacologic Class) system, it is also linked to medical device components like copper-containing IUDs, as nickel is a common trace element in those devices.