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NITHIODOTE
Overview
What is NITHIODOTE?
Sodium nitrite, one of the active ingredients in NITHIODOTE has the chemical name nitrous acid sodium salt. The chemical formula is NaNO and the molecular weight is 69.0. Sodium thiosulfate, the second active ingredient in NITHIODOTE has the chemical name thiosulfuric acid, disodium salt, pentahydrate. The chemical formula is NaSO∙ 5HO and the molecular weight is 248.17. The structural formulae are:
Structure of Sodium Nitrite
Structure of Sodium Thiosulfate Pentahydrate
NITHIODOTE is a cyanide antidote which contains one 10 mL glass vial of a 3% solution of sodium nitrite injection and one 50 mL glass vial containing a 25% solution of sodium thiosulfate injection.
Sodium nitrite injection is a sterile aqueous solution and is intended for intravenous injection. Each vial contains 300 mg of sodium nitrite in 10 mL solution (30 mg/mL). Sodium nitrite injection is a clear solution with a pH between 7.0 and 9.0.
Sodium thiosulfate injection is a sterile aqueous solution and is intended for intravenous injection. Each vial contains 12.5 grams of sodium thiosulfate in 50 mL solution (250 mg/mL). Each mL also contains 2.8 mg boric acid and 4.4 mg of potassium chloride. The pH of the solution is adjusted with boric acid and/or sodium hydroxide. Sodium thiosulfate injection is a clear solution with a pH between 7.5 and 9.0.
What does NITHIODOTE look like?
What are the available doses of NITHIODOTE?
NITHIODOTE consists of:
What should I talk to my health care provider before I take NITHIODOTE?
How should I use NITHIODOTE?
NITHIODOTE is indicated for the treatment of acute cyanide poisoning that is judged to be serious or life-threatening. When the diagnosis of cyanide poisoning is uncertain, carefully weigh the potentially life-threatening risks associated with NITHIODOTE against the potential benefits, especially if the patient is not in extremis.
If clinical suspicion of cyanide poisoning is high, administer without delay and in conjunction with appropriate airway, ventilatory, and circulatory support. ()
The expert advice of a regional poison control center may be obtained by calling 1-800-222-1222. ()
What interacts with NITHIODOTE?
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What are the warnings of NITHIODOTE?
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What are the precautions of NITHIODOTE?
Sorry No Records found
What are the side effects of NITHIODOTE?
Sorry No records found
What should I look out for while using NITHIODOTE?
None
Sodium nitrite can cause serious adverse reactions and death in humans, even at doses less than twice the recommended therapeutic dose. Sodium nitrite causes hypotension and methemoglobin formation, which diminishes oxygen carrying capacity. Hypotension and methemoglobin formation can occur concurrently or separately. Because of these risks, sodium nitrite should be used to treat acute life-threatening cyanide poisoning and be used with caution in patients where the diagnosis of cyanide poisoning is uncertain
Patients should be closely monitored to ensure adequate perfusion and oxygenation during treatment with sodium nitrite.
Alternative therapeutic approaches should be considered in patients known to have diminished oxygen or cardiovascular reserve (e.g. smoke inhalation victims, pre-existing anemia, cardiac or respiratory compromise), and those at higher risk of developing methemoglobinemia (e.g., congenital methemoglobin reductase deficiency) as they are at greater risk for potentially life-threatening adverse events related to the use of sodium nitrite
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What might happen if I take too much NITHIODOTE?
How should I store and handle NITHIODOTE?
Store at 20-25° C (68-77° F); excursions permitted to 15-30° C (59-86° F). See USP Controlled Room Temperature. Avoid excess heat, above 40°C (104°F)Each NITHIODOTE carton (NDC 60267-812-00) consists of the following:
Clinical Information
Chemical Structure
No Image foundClinical Pharmacology
Cyanide is an extremely toxic poison. In the absence of rapid and adequate treatment, exposure to a high dose of cyanide can result in death within minutes due to the inhibition of cytochrome oxidase resulting in arrest of cellular respiration. Specifically, cyanide binds rapidly with cytochrome a3, a component of the cytochrome c oxidase complex in mitochondria. Inhibition of cytochrome a3 prevents the cell from using oxygen and forces anaerobic metabolism, resulting in lactate production, cellular hypoxia and metabolic acidosis. In massive acute cyanide poisoning, the mechanism of toxicity may involve other enzyme systems as well. Signs and symptoms of acute systemic cyanide poisoning may develop rapidly within minutes, depending on the route and extent of cyanide exposure.
The synergy resulting from treatment of cyanide poisoning with the combination of sodium nitrite and sodium thiosulfate is the result of differences in their primary mechanisms of action as antidotes for cyanide poisoning.
Non-Clinical Toxicology
NoneSodium nitrite can cause serious adverse reactions and death in humans, even at doses less than twice the recommended therapeutic dose. Sodium nitrite causes hypotension and methemoglobin formation, which diminishes oxygen carrying capacity. Hypotension and methemoglobin formation can occur concurrently or separately. Because of these risks, sodium nitrite should be used to treat acute life-threatening cyanide poisoning and be used with caution in patients where the diagnosis of cyanide poisoning is uncertain
Patients should be closely monitored to ensure adequate perfusion and oxygenation during treatment with sodium nitrite.
Alternative therapeutic approaches should be considered in patients known to have diminished oxygen or cardiovascular reserve (e.g. smoke inhalation victims, pre-existing anemia, cardiac or respiratory compromise), and those at higher risk of developing methemoglobinemia (e.g., congenital methemoglobin reductase deficiency) as they are at greater risk for potentially life-threatening adverse events related to the use of sodium nitrite
[See and ]
When administered concomitantly with midodrine hydrochloride tablets, cardiac glycosides may enhance or precipitate bradycardia, A.V. block or arrhythmia.
The risk of hypertension increases with concomitant administration of drugs that increase blood pressure (phenylephrine, pseudoephedrine, ephedrine, dihydroergotamine, thyroid hormones, or droxidopa). Avoid concomitant use of drugs that increase blood pressure. If concomitant use cannot be avoided, monitor blood pressure closely.
Avoid use of MAO inhibitors or linezolid with midodrine.
Midodrine hydrochloride tablets have been used in patients concomitantly treated with salt-retaining steroid therapy (i.e., fludrocortisone acetate), with or without salt supplementation. The potential for supine hypertension should be carefully monitored in these patients and may be minimized by either reducing the dose of fludrocortisone acetate or decreasing the salt intake prior to initiation of treatment with midodrine hydrochloride tablets. Alpha-adrenergic blocking agents, such as prazosin, terazosin, and doxazosin, can antagonize the effects of midodrine hydrochloride tablets.
Sodium nitrite has been associated with severe hypotension, methemoglobinemia, and death at doses less than twice recommended therapeutic doses. Hypotension may occur concurrently or separately. Sodium nitrite should be used to treat life-threatening cyanide poisoning. When the diagnosis of cyanide poisoning is uncertain and/or the patient is not in extremis, special consideration should be given to administration of sodium nitrite if the patient is known or suspected to have diminished oxygen or cardiovascular reserve (e.g., smoke inhalation victims, pre-existing anemia, substantial blood loss, cardiac or respiratory compromise) or to be at higher risk of developing methemoglobinemia (e.g., congenital methemoglobin reductase deficiency).
There have been no controlled clinical trials conducted to systematically assess the adverse events profile of sodium nitrite or sodium thiosulfate.
The medical literature has reported the following adverse events in association with sodium nitrite or sodium thiosulfate administration. These adverse events were not reported in the context of controlled trials or with consistent monitoring and reporting methodologies for adverse events. Therefore, frequency of occurrence of these adverse events cannot be assessed.
Reference
This information is obtained from the National Institute of Health's Standard Packaging Label drug database.
"https://dailymed.nlm.nih.gov/dailymed/"
While we update our database periodically, we cannot guarantee it is always updated to the latest version.
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