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Naphthalene Poisoning

Naphthalene poisoning occurs primarily as a result of accidental mothball ingestion, causing symptoms such as nausea, vomiting, hematuria and severe respiratory, neurologic and hepatic effects. Patient history is vital during workup, while detection of methemoglobinemia and cyanosis requires prompt therapy consisting of methylene blue and exchange transfusion.

Presentation

The clinical presentation of naphthalene poisoning primarily includes gastrointestinal complaints such as nausea, vomiting, diarrhea and abdominal pain, but other systems are affected as well [2]. Hematuria, acute respiratory distress (ARDS), altered consciousness, convulsions, jaundice, hepatomegaly and hemolytic anemia are notable symptoms of severe poisoning [3].

Entire Body System

  • Anemia

    Keywords: 1, 4 dichlorobenzene, anemia, hemolysis, mothballs, naphthalene How to cite this article: Aliyu I, Ibrahim ZF. Haemolytic anemia and mothball toxicity: A case report. [imjsu.org]

    [Article in French] Affiliations PMID: 24909442 DOI: 10.1016/j.revmed.2014.05.008 Case Reports [Hemolytic anemia due to naphthalene poisoning] [Article in French] S Roumieu et al. Rev Med Interne. 2015 Jun. [pubmed.ncbi.nlm.nih.gov]

    Abstract Naphthalene moth balls are potent hemolytic agents, capable of producing an acute, severe and perhaps fatal anemia. [pediatrics.aappublications.org]

    B. (1951) – Acute haemolytic anemia related to naphthalene: Report of a case in a newborn infant. Pediatrics, 7, 172-174. [colorisk.fr]

    Anemia Over time, long-term exposure to naphthalene can lead to an anemia. Symptoms include weakness, dizziness, fatigue and fainting. [healthfully.com]

  • Fever

    Naphthalene was introduced in 1841 by Rossbach as as an antiseptic to counteract typhoid fever. [definitions.net]

    IN HUS____________> no fever HSP............ [usmleforum.com]

    Case Report A 22 years old male was hospitalized with acute abdominal pain, vomiting, diarrhoea, high grade fever and mental confusion. [jpma.org.pk]

    These include headaches, confusion, drowsiness, jaundice, fever, low blood pressure or a racing heart rate. The poison can also hit your digestive tract and cause vomiting, diarrhea and abdominal pain. [sciencing.com]

    Case report: We report a 33-year-old woman, originating from the Comoros, hospitalized for intense fatigue associated with delirium, fever and jaundice, three days after ritual ingestion of naphthalene. [pubmed.ncbi.nlm.nih.gov]

  • Fatigue

    Look for Fatigue Mothballs usually contain either dicholorobenzene or naphthalene to kill the moths. The second chemical is older and tends to cause more health problems. [livestrong.com]

    Case report: We report a 33-year-old woman, originating from the Comoros, hospitalized for intense fatigue associated with delirium, fever and jaundice, three days after ritual ingestion of naphthalene. [pubmed.ncbi.nlm.nih.gov]

    Symptoms include weakness, dizziness, fatigue and fainting. If you or someone you know has been regularly inhaling moth balls or their fumes, take them to the doctor immediately. Be sure to alert your physician of any symptoms of anemia. [healthfully.com]

    Some of the symptoms that may occur after exposure to large quantities of naphthalene are fatigue, loss of appetite, nausea, vomiting, and diarrhoea. The skin may become pale or yellow-coloured. [health.nsw.gov.au]

  • Unconsciousness

    The most severe symptoms include convulsions, unconsciousness and, after prolonged exposure, a destruction of red blood cells, anemia and dark or blood-infused urine. [sciencing.com]

    First Aid tips for Naphthalene Poisoning: If the individual with Naphthalene Poisoning is unconscious, or is experiencing life-threatening symptoms, call 911 (or your local emergency help number) immediately Call the Poison Control Center at 1-800-222 [dovemed.com]

  • Internal Bleeding

    They get in a car crash and Keith's case is taken up by the team because he has had internal bleeding for three weeks. He displays all four stages of Lupus, expect in the span of a week. [housediseases.com]

Gastrointestinal

  • Vomiting

    The other symptoms may include a headache, vomiting, diarrhea, abdominal pain and altered mental status. [symptoma.com]

    In April 1982, the Clark County Health Department in Jeffersonville, Indiana, received a telephone call from a 26-year-old woman whose friends were becoming ill with symptoms of headache, nausea, and vomiting while visiting her apartment. [cdc.gov]

    Nausea and Vomiting An upset stomach and vomiting can both be symptoms of moth ball inhalation. If the nausea does not pass or the vomiting persists, seek medical attention. [healthfully.com]

    A boy, 15, sucked on moth balls too and had stomach pains and vomiting. He was diagnosed with anemia. [stethnews.com]

    We are reporting a case of a 22 year old male, with known psychiatric illness presenting to the hospital emergency room with history of vomiting and red colored urine after alleged consumption of mothballs (Naphthalene). [eprints.manipal.edu]

  • Nausea

    Naphthalene poisoning occurs primarily as a result of accidental mothball ingestion, causing symptoms such as nausea, vomiting, hematuria and severe respiratory, neurologic and hepatic effects. [symptoma.com]

    In April 1982, the Clark County Health Department in Jeffersonville, Indiana, received a telephone call from a 26-year-old woman whose friends were becoming ill with symptoms of headache, nausea, and vomiting while visiting her apartment. [cdc.gov]

    Nausea and Vomiting An upset stomach and vomiting can both be symptoms of moth ball inhalation. If the nausea does not pass or the vomiting persists, seek medical attention. [healthfully.com]

    Check for Nausea, Vomiting and Diarrhea Anytime someone swallows poison, the body may try to get rid of it by opening up the sluices. It's actually usually a good thing because it gets the mothballs out of the system before they can do more damage. [livestrong.com]

    One of the immediate sign of naphthalene poisoning is stomach pain, but this commonly takes two days to appear, along with diarrhea, nausea and vomiting. [magicofhealth365.com]

  • Diarrhea

    The other symptoms may include a headache, vomiting, diarrhea, abdominal pain and altered mental status. [symptoma.com]

    The biggest concern with vomiting and diarrhea is dehydration; the body expels a lot of water along with the mothballs. Give the victim plenty of water in small but steady doses or have him suck on ice if he can't keep fluids down. [livestrong.com]

    Diarrhea Diarrhea can indicate naphthalene poisoning. Do not ignore this symptom in young children, because it can lead to severe dehydration. Anemia Over time, long-term exposure to naphthalene can lead to an anemia. [healthfully.com]

    They can develop diarrhea, vomiting, lethargy, lack of appetite, fever, abdominal pain and painful urination and dark urine. Pets that eat mothballs can develop lethargy, vomiting, diarrhea, lack of appetite and tremors. [healthycanadians.gc.ca]

    The poison can also hit your digestive tract and cause vomiting, diarrhea and abdominal pain. [sciencing.com]

  • Abdominal Pain

    The other symptoms may include a headache, vomiting, diarrhea, abdominal pain and altered mental status. [symptoma.com]

    The poison can also hit your digestive tract and cause vomiting, diarrhea and abdominal pain. [sciencing.com]

    #396854 samomcos - 03/27/09 21:24 A 3 year old boy develops abdominal pain, and the next day fever, pain on urinating and brown-red urine, and is taken to the ER. [usmleforum.com]

    They can include: Abdominal pain Nausea and vomiting Diarrhea The person may also have a fever. [medlineplus.gov]

    They can develop diarrhea, vomiting, lethargy, lack of appetite, fever, abdominal pain and painful urination and dark urine. Pets that eat mothballs can develop lethargy, vomiting, diarrhea, lack of appetite and tremors. [healthycanadians.gc.ca]

Liver, Gall & Pancreas

  • Jaundice

    She was pale and jaundiced. Heart sounds were normal. The lungs were filled with crepts. The abdomen was soft with no guarding. No organomegaly was noted. On neurological examination, there was no focal neurological deficit. [ncbi.nlm.nih.gov]

    These include headaches, confusion, drowsiness, jaundice, fever, low blood pressure or a racing heart rate. The poison can also hit your digestive tract and cause vomiting, diarrhea and abdominal pain. [sciencing.com]

    Case report: We report a 33-year-old woman, originating from the Comoros, hospitalized for intense fatigue associated with delirium, fever and jaundice, three days after ritual ingestion of naphthalene. [pubmed.ncbi.nlm.nih.gov]

    Hematuria, acute respiratory distress (ARDS), altered consciousness, convulsions, jaundice, hepatomegaly and hemolytic anemia are notable symptoms of severe poisoning. [symptoma.com]

    Some people develop a fever and the symptoms get worse over time, which may include: Headache Convulsions Low blood pressure Jaundice Confusion Shortness of breath Urinary problems Tachycardia or increased heart rate Unfortunately, some people end up [magicofhealth365.com]

Neurologic

  • Headache

    In April 1982, the Clark County Health Department in Jeffersonville, Indiana, received a telephone call from a 26-year-old woman whose friends were becoming ill with symptoms of headache, nausea, and vomiting while visiting her apartment. [cdc.gov]

    These include headaches, confusion, drowsiness, jaundice, fever, low blood pressure or a racing heart rate. The poison can also hit your digestive tract and cause vomiting, diarrhea and abdominal pain. [sciencing.com]

    The other symptoms may include a headache, vomiting, diarrhea, abdominal pain and altered mental status. [symptoma.com]

    Symptoms Paralysis, difficulty in coordination and speech, seizures, headaches, bleeding from hemorrhages, heart failure, and other problems depending on the location of the AVM. [housediseases.com]

    Some people develop a fever and the symptoms get worse over time, which may include: Headache Convulsions Low blood pressure Jaundice Confusion Shortness of breath Urinary problems Tachycardia or increased heart rate Unfortunately, some people end up [magicofhealth365.com]

  • Excitement

    Find out more about this exciting new development through this step by step guide. [cabdirect.org]

    Inhalation of naphthalene may cause skin and eye irritation; gastrointestinal symptoms, such as nausea, vomiting, abdominal cramps, and diarrhea; neurologic symptoms, such as confusion, excitement, and convulsions; renal problems, such as acute renal [cdc.gov]

Urogenital

  • Dark Urine

    They can develop diarrhea, vomiting, lethargy, lack of appetite, fever, abdominal pain and painful urination and dark urine. Pets that eat mothballs can develop lethargy, vomiting, diarrhea, lack of appetite and tremors. [healthycanadians.gc.ca]

    Urinary bladder irritation may cause urgency, dysuria, and the passage of dark urine with or without cast and albumin. [jahjournal.org]

    He had dark urine, which was positive for hemoglobin while urine microscopy was negative for red blood cells suggesting hemoglobinuria. [imjsu.org]

  • Hematuria

    Hematuria, acute respiratory distress (ARDS), altered consciousness, convulsions, jaundice, hepatomegaly and hemolytic anemia are notable symptoms of severe poisoning. [symptoma.com]

    The signs and symptoms of Naphthalene Poisoning may include: Fever Urination difficulties (decreased urine flow, pain during urination) Blood in urine (hematuria) Breathing difficulties Rapid pulse and increased heart-rate Decreased blood pressure (hypotension [dovemed.com]

    [Table/Fig-2]: Systemic effects of naphthalene exposure [3] Gastrointestinal Effects Nausea, vomiting, abdominal pain, diarrhoea Renal Effects Increased creatinine level, increased serum urea nitrogen level, hematuria, renal tubular acidosis Respiratory [ncbi.nlm.nih.gov]

  • Dysuria

    Urinary bladder irritation may cause urgency, dysuria, and the passage of dark urine with or without cast and albumin. [jahjournal.org]

Workup

A carefully obtained patient history is vital during workup, as key information regarding the source of symptoms and the mode of poisoning can be obtained. Assessment of hepatic and renal function, urinalysis, and arterial blood gasses are necessary for determining the state of tissue oxygenation and the degree of organ damage.

Serum

  • Heinz Bodies

    Red cells may contain Heinz bodies and the cells may be fragmented showing anisocytosis and poikilocytosis. Serum bilirubin is elevated. [flipper.diff.org]

    After metabolism in liver, the most potent derivative of naphthalene, naphthol-alpha causes hemolysis and Heinz bodies formation. [jahjournal.org]

    Heinz bodies appear before haemolytic process becomes evident and hence has a prognostic valve for development of haemolysis 10. There is no specific treatment for naphthalene poisoning. [jpma.org.pk]

Treatment

As soon as a presumptive diagnosis is made, immediate administration of methylene blue is indicated. Methylene blue is able to revert the process of hemoglobin conversion to methemoglobin due to its electron-absorbing properties and it effectively scavenges the remaining free radicals [3]. In addition, exchange transfusion is recommended in more severe cases like the G6PD deficiency patients [3]. Supportive measures consisting of adequate airway management as well as the use of fluids and inotropic drugs to sustain normal pressure are vital in preserving the cardiovascular and pulmonary systems [3].

Prognosis

Early recognition of the condition and prompt initiation of therapy carries a good prognosis, but various complications may arise, most notable being profound cyanosis induced by methemoglobinemia [2]. Additionally, severe hemolysis may occur in patients suffering from glucose-6-phosphate dehydrogenase (G6PD) deficiency, in whom a very low tolerance to oxidative stress exists [5], and renal failure may ensue in these patients without removal of naphthalene from the circulation.

Etiology

Naphthalene is an aromatic hydrocarbon that is insoluble in water and poisoning almost universally occurs due to accidental ingestion of mothballs that are used as insect repellents [4]. An additional mode may be intentional ingestion, as suicide attempts with mothballs have been reported [1] [4].

Epidemiology

Exact rates of poisoning are unknown, but in the United States, approximately 1500 cases were reported in 2007 and 2008 [2]. The majority of patients are children.

Pathophysiology

Once naphthalene is introduced into the human body, most likely through accidental ingestion, it is degraded in the liver by cytochrome P450 enzymes [2]. However, an abundance of free oxygen radicals is released during this process, leading to marked oxidative stress that causes lipid peroxidation, DNA damage and formation of methemoglobin [2].

Prevention

Because of the fact that naphthalene poisoning is accidental in most cases, avoiding the use of mothballs in households or placing them out of children's reach can be an effective preventive measure.

Summary

Naphthalene poisoning is very rarely encountered in clinical practice and the majority of cases are children who accidentally ingest mothballs that contain this aromatic hydrocarbon [1]. After ingestion naphthalene causes marked oxidative stress resulting in methemoglobinemia and hemolysis of red blood cells [2]. Methemoglobinemia is the most significant manifestation of toxicity by naphthalene. The other symptoms may include a headache, vomiting, diarrhea, abdominal pain and altered mental status [3]. The diagnosis mandates a thorough patient history that can reveal the source of symptoms, whereas a complete laboratory workup is necessary to define the extent of organ damage. Treatment mandates prompt administration of methylene blue, which is able to reverse the effects of free radical damage, but also exchange transfusion, in the attempt to remove naphthalene from the circulation [1].

Patient Information

Naphthalene is an aromatic hydrocarbon that is ubiquitously present in the air in very low concentrations, but its most frequent household use is in mothballs as an insect repellent. Consequently, naphthalene poisoning almost universally occurs after accidental ingestion of mothballs by children. Once this substance enters the body, it causes damage to cell membranes and releases numerous free radical that are responsible for tissue destruction. The most important consequence of poisoning, however, is the conversion of hemoglobin to methemoglobin, which has reduced ability to bind to oxygen. Within several hours or few days, symptoms like nausea, vomiting, diarrhea, abdominal pain, together with cyanosis, darkening of urine due to the presence of hemoglobin and confusion, altered consciousness, and even lethargy may occur. The diagnosis can be made by obtaining a meticulous patient history that will reveal the source of poisoning. Treatment mandates the use of methylene blue, which effectively reduces the harmful effects of naphthalene. Special care is needed for individuals suffering from glucose-6-phosphate dehydrogenase (G6PD) deficiency, as they are more susceptible to free radical damage. In this subgroup, a procedure known as exchange transfusion is necessary to perform.

References

  1. Lim HC, Poulose V, Tan HH. Acute naphthalene poisoning following the non-accidental ingestion of mothballs. Singapore Med J. 2009;50(8):e298-301
  2. Sudakin DL, Stone DL, Power L. Naphthalene Mothballs: Emerging and Recurring Issues and their Relevance to Environmental Health. Curr Top Toxicol. 2011;7:13-19.
  3. Kundra TS, Bhutatani V, Gupta R, Kaur P. Naphthalene Poisoning following Ingestion of Mothballs: A Case Report. Journal of Clinical and Diagnostic Research : JCDR. 2015;9(8):UD01-UD02.
  4. Chauhan V, Sharma R, Sharma K, Sharma G, Jitender S, Jearth V. Naphthalene Poisoning Manifesting as Hemoglobinuria. Toxicol Int. 2014;21(3):314-315.
  5. Kapoor R, Suresh P, Barki S, Mishra M, Garg MK. Acute Intravascular Hemolysis and Methemoglobinemia Following Naphthalene Ball Poisoning. Indian J Hematol Blood Transfus. 2014;30(1):317-319.
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