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OBJECTIVES People who inject drugs (PWID) are at increased risk for numerous negative health outcomes. Subcutaneous injections (aka skin popping) can result in greater risk of skin and soft tissue infections (SSTIs), but less is known about PWID who choose this route of administration. This study compares subcutaneous injectors to intravenous injectors, characterizes those who inject subcutaneously, and examines whether subcutaneous injection is associated with SSTIs in the past year. METHODS A cohort of hospitalized PWID (n = 252) were interviewed regarding injection-related behaviors, history of SSTI, and knowledge of subcutaneous injection risk. We examined differences between those who do and do not inject subcutaneously and used a negative binomial regression model to estimate adjusted odds associating subcutaneous injection and SSTI. RESULTS Participants averaged 38 years, with 58.3% male, 59.5% White, 20.6% Black, and 15.9% Latinx. PWID who performed subcutaneous injection were not demographically different from other PWID; however, the mean rate of past year SSTIs was higher for persons injecting subcutaneously than for those who did not (1.98 vs 0.96, P

Clostridium botulinum produces botulinum neurotoxin (BoNT), which can lead to death if untreated. In the United States, over 90% of wound botulism cases are associated with injection drug use of black tar heroin. We sought to determine the phylogenetic relatedness of C. botulinum isolated from an injection drug use wound botulism case and isolates from endogenous infant botulism cases in Hawaii. Nineteen C. botulinum type B isolates from Hawaii and one type B isolate from California were analyzed by whole-genome sequencing. The botulinum toxin gene (bont) subtype was determined using CLC Genomics Workbench, and the seven-gene multi-locus sequence type (MLST) was identified by querying PubMLST. Mashtree and pairwise average nucleotide identity were used to find nearest neighbors, and Lyve-SET approximated a phylogeny. Eighteen of the isolates harbored the bont/B5 gene: of those, 17 were classified as sequence type ST36 and one was classified as ST104. A single isolate from Hawaii harbored bont/B1 and was determined to belong to ST110, and the isolate from California harbored bont/B1 and belonged to ST30. A tree constructed with Lyve-SET showed a high degree of homology among all the Hawaiian C. botulinum isolates that harbor the bont/B5 gene. Our results indicate that the bont/B-expressing isolates recovered from Hawaii are closely related to each other, suggesting local contamination of the drug paraphernalia or the wound itself with spores rather than contamination of the drug at manufacture or during transport. These findings may assist in identifying interventions to decrease wound botulism among persons who inject drugs.

Author(s): Wyatt, Ryan H.; Shtull-Leber, Eytan; Kelly, Thomas E. | Abstract: Introduction: Wound botulism is a rare and potentially fatal infectious disease, often seen in patients who abuse injection drugs. It classically presents with dysfunction of bilateral cranial nerves followed by proximal and distal motor weakness, which can progress to respiratory failure.Case Report: We report a case of a 31-year-old female who presented to the emergency department for the fifth time with an eight-day history of isolated dysphagia without any other neurologic symptoms. She reported a history of injection drug abuse via “skin popping,” was admitted to the hospital, and ultimately diagnosed with wound botulism.Conclusion: This case exemplifies the diagnostic pitfalls of rare diseases such as wound botulism and provides insight regarding the diagnosis and treatment of this entity. This case also highlights the unique medical and social challenges emergency physicians face while trying to reliably evaluate patients who abuse controlled substances.

During September 29-October 6, 2017, the County of San Diego Public Health Services (COSD) was notified of two patients with suspected wound botulism and a history of using black tar heroin. On October 9, COSD, which had reported an average of one wound botulism case per year during 2001-2016, sent a health alert through the California Health Alert Network, notifying Southern California providers of these two patients, including their signs and symptoms and black tar heroin exposure. In collaboration with the California Department of Public Health, COSD conducted an investigation to identify additional cases, determine risk factors for illness, estimate cost of medical care, and develop recommendations to prevent further illness. By April 18, 2018, nine (eight confirmed and one probable) patients with wound botulism were identified, all of whom were hospitalized; one of the nine died. All nine were persons who inject drugs; seven specifically reported using black tar heroin and six practiced subcutaneous injection known as skin popping. Clinically compatible signs and symptoms included muscle weakness, difficulty swallowing, blurred vision, drooping eyelids, slurred speech, difficulty breathing, loss of facial expression, or descending paralysis. All patients were treated with heptavalent botulism antitoxin (BAT). Wound botulism is likely underrecognized because of its rarity and the overlapping signs and symptoms with opioid intoxication, overdose, and other neurologic syndromes including Guillain-Barre syndrome, the Miller Fisher variant of Guillain-Barre syndrome, and myasthenia gravis. Prompt diagnosis, administration of BAT, and provision of supportive care can help stop the progression of paralysis and be lifesaving.

Crospovidone, a polymer of poly N-vinyl-2-pyrrolidone, is an inert insoluble disintegrant found in pharmaceutical tablets. This material has been encountered in the lungs of intravenous drug users and embolized with other components such as talc and microcrystalline cellulose. More recently, crospovidone has also been described in the gastrointestinal tract. We present 2 cases of cutaneous crospovidone deposition resulting from subcutaneous injection of crushed tablets, commonly known as "skin popping." Clinical presentation includes painful, inflamed papules, nodules, or ulcers with overlying eschar. Crospovidone has a distinct and reproducible histochemical staining profile. Histologic recognition of this material is important because it can guide clinicians in their diagnosis and management decisions.

In illicit drug use, "skin popping" refers to the method of administering drugs by injecting it into the subcutaneous tissue. "Skin popping" can lead to acute and chronic skin manifestations caused by the drug itself and/or by the various adulterants and fillers commonly added to drug substances. Chronic skin manifestations include a foreign-body reaction with formation of granulomas at the site of injection. We present the F-FDG PET/CT findings of extensive subcutaneous granulomas in a 58-year-old woman with a heroin addiction undergoing treatment for infective endocarditis of the mitral valve.

No abstract available. Article truncated after first 150 words. A 27-year-old Caucasian man with past medical history of opioid abuse (reportedly sober for 10 years on buprenorphine), post traumatic stress disorder, depression and anxiety presented to the emergency department complaining of dysarthria after taking diphenhydramine and meclizine in addition to his prescribed trazodone and buprenorphine to try to sleep. He was discharged to home after his symptoms appeared to improve with intravenous fluid. He returned to the emergency department the following afternoon with worsening dysarthria, dysphagia, and subjective weakness. The patient was non toxic appearing, afebrile, vital signs were stable and his strength was reported as 5/5. Computed tomography of his head did not show any evidence of acute intracranial abnormality. Given his ongoing complaints, he was admitted for observation to the general medicine wards. That night a rapid response was initiated when the nurse found the patient to be unresponsive, but spontaneously breathing. The patient’s clinical status did ...

Botulism is caused by toxin production from many species of Clostridium, most commonly Clostridium botulinum as well as C. baratii and C. butyricum. Development of wound botulism is associated with injection drug users but has also been described in traumatic injuries with exposure to soil. A patient presented to the emergency department with a complaint of descending, progressive weakness. He recently reported skin popping with heroin injections. Heptavalent botulinum antitoxin was obtained from the [Center for Disease Control and Prevention (CDC)]. On hospital day seven, the anaerobic wound cultures resulted with growth of Clostridium subterminale.

"Skin popping" is a method of injecting illicit drugs into the skin. There are numerous acute and chronic complications associated with skin popping. We present a case of a 48-year-old, African-American female patient with 40 - 60 hyperpigmented, fibrotic, depressed, round papules and plaques on the extremities, which were incidentally noticed during a clinic visit for her acne vulgaris. Skin popping scars are important clues for possible drug abuse. Healthcare practitioners should be aware of and recognize the lesions associated with this practice so further testing can be performed if clinically indicated. Recognition of the lesions and thus earlier treatment of the complications could prevent the complications of skin popping in the skin and other organs.

Presented is a rare case of tibial and fibular osteomyelitis and a case of fibular periositis, both a direct consequence of a peculiar drug use technique. The osseous manifestations secondary to presentation of necrotic wounds with indurated rim and serous drainage with associated cellulitis, both resulting from “skin popping.” Due to the complex treatment plan required, the importance of a motivated patient, a strong social support system, a controlled environment, and a multidisciplinary team cannot be overstated. Despite comprehensive efforts, devastating consequences may be unavoidable as individuals plunge downward, victimized by their addiction. Level of clinical evidence 4.

Key Clinical Message Wound botulism is a potentially lethal condition that can cause paralysis. Its association with black tar heroin is a well‐established fact. It is essential to alert clinicians in recognizing the patients with history of injection drug abuse presenting with clinical features of botulism early on admission for prompt diagnosis and treatment.

Background and objectives AA-type kidney amyloidosis is classically associated with chronic autoimmune or inflammatory disorders. However, some urban centers have reported a high prevalence of injection drug use among patients with kidney AA amyloidosis. Previous reports lack control groups to quantify associations and most predate the opioid epidemic in the United States. Design, setting, participants, & measurements We conducted a case–control study of 38 patients with biopsy-confirmed kidney AA amyloidosis and 72 matched control individuals without this condition from two large hospital systems in Seattle, Washington. We ascertained the pattern and duration of heroin use by medical chart review and determined associations using logistic regression. Results Among case patients, 95% had a prior history of heroin use, 87% had skin abscesses, and 76% and 27% had evidence of muscling and skin popping, respectively. After adjustment for age, race, sex, site, and year of biopsy, any heroin use (past or current) was associated with an estimated 170-times higher risk of kidney AA amyloidosis compared with no heroin use (95% confidence interval, 28 to 1018 times higher; P Conclusions Injection heroin use is strongly associated with kidney AA amyloidosis in the Pacific Northwest. Unique aspects of heroin use, in particular geographic regions or frequent associated soft-tissue infections, may be an important cause of this progressive kidney disease.

Serologic surveillance should be implemented to identify the prevalence of this disease in persons who inject drugs., Outbreaks of serious infections associated with heroin use in persons who inject drugs (PWIDs) occur intermittently and require vigilance and rapid reporting of individual cases. Here, we give a firsthand account of the cases in London during an outbreak of heroin-associated anthrax during 2009–2010 in the United Kingdom. This new manifestation of anthrax has resulted in a clinical manifestation distinct from already recognized forms. During 2012–13, additional cases of heroin-associated anthrax among PWIDs in England and other European countries were reported, suggesting that anthrax-contaminated heroin remains in circulation. Antibacterial drugs used for serious soft tissue infection are effective against anthrax, which may lead to substantial underrecognition of this novel illness. The outbreak in London provides a strong case for ongoing vigilance and the use of serologic testing in diagnosis and serologic surveillance schemes to determine and monitor the prevalence of anthrax exposure in the PWID community.

We review the most common systemic and cutaneous signs of heroin, cocaine, methamphetamine, Ecstasy, and marijuana use. We also provide an overview of the skin and soft-tissue infections frequently found in intravenous drug users and the effects of the adulterants added to the drugs.

Drug abuse is associated with a wide variety of skin alterations. Being aware of the typical signs and symptoms of the drug addicts' skin is of special importance to dermatologists, even though dermatologists are commonly not involved in the treatment of these patients. There is yet a chance for dermatologists to identify drug abusers early by to some extent specific cutaneous signs and after exclusion of several other etiological factors, so that this will lead to further treatment through the respective specialists. The objective of this paper is to draw particular attention to typical skin lesions and diseases which may be associated with drug abuse.

Following the introduction of black tar heroin mainly from Mexico in the 1980s, cases of wound botulism dramatically increased in the western United States. Contamination with spores of Clostridium botulinum of black tar heroin occurs along the distribution line. The heating of heroin powder to solubilize it for subcutaneous injection ("skin popping") does not kill the spores. The spores germinate in an anaerobic tissue environment and release botulinum toxin type A or B. Unless skin abscesses are found in the patient, the clinical diagnosis is often challenging. Facilitation of the compound muscle action potential by repetitive nerve stimulation at 20 to 50 Hz is an important and rapid diagnostic test. Definite diagnosis is made by detection of botulinum toxin in serum or isolation of C botulinum from the abscess. Early treatment with equine ABE botulinum antitoxin obtained from the Centers for Disease Control and Prevention often shortens the time on a ventilator.

Wound infections due to Clostridium botulinum in Germany are rare and occur predominantly in heroin injectors, especially after subcutaneous or intramuscular injection of heroin ("skin popping"), which is contaminated with spores of C. botulinum. We report a rapid geographical clustering of cases in Germany in a region between Cologne, Bonn, and Aachen with wound botulism and consecutive systemic C. botulinum intoxication in intravenous drug users (IDUs) within 6 weeks in October and November 2005.A group of 12 IDUs with wound botulism after "skin popping."Clinical data were available in 11 (92%) of 12 patients; in 7 (58%) of the 12 cases, there was cranial nerve involvement including mydriasis, diplopia, dysarthria, and dysphagia, followed by progressing symmetric and flaccid paralysis of proximal muscles of the neck, arms, trunk, and respiratory muscles. Mechanical respiratory support was necessary. Five of the IDUs were treated with antitoxin, but mechanical respiratory support could not be avoided. The mean ventilation duration was 27.4 days (range 6-77 days). In 4 patients (33%), mechanical ventilation could be avoided; two were treated with antitoxin.This report describes rapid geographical clustering of wound botulism with severe respiratory complications in IDUs after "skin popping," which has not previously been reported either in Germany or any other European country. Based on these observations and those in other European countries, we conclude that there is a trend towards "skin popping," suggesting a change in injection practices in IDUs. Secondly, we conclude that the total number of cases with wound botulism is likely to increase because "skin popping" is the main risk factor.

Background: In 2012, a nephrologist reported the development of a multiorgan thrombotic syndromic complex resembling thrombotic thrombocytopenic purpura (TTP) in patients who were abusing long acting oxymorphone hydrochloride; all patients had hemolytic anemia and thrombocytopenia. Objective: Herein, we report another case involving a 31-year-old woman who self intravenously administered dissolved oral oxymorphone resulting in thrombotic sequelae resembling Degos disease. Methods: Formalin-fixed and paraffin embedded skin biopsies were prepared according to standard protocols for H&E and immunohistochemistry. Results: The clinical presentation and biopsy findings were held to be indicative of Degos disease/malignant atrophic papulosis (MAP) but with unusual clinical features including renal failure and severe respiratory insufficiency. Given the efficacy of eculizumab in the treatment of the acute thrombotic phase of Degos disease/MAP, the patient received this drug, resulting in rapid resolution of signs and symptoms associated with her multiorgan failure. Although she developed recurrent cutaneous ulcers despite complete complement inhibition with eculizumab., her other extracutaneous manifestations did not recur. The patient’s pre and post eculizuamb skin biopsies showed a striking pauci-inflammatory thrombogenic vasculopathy associated with marked endothelial cell injury along with deposits of C3d and C4d within the cutaneous vasculature; the C5b-9 deposits were limited to the pre-eculizumab biopsy. We discovered that her syndromic complex was a self-inflicted one related to the localized administration of dissolved oxymorphone. Conclusion: Our patient’s biopsy along with the rapid response to eculizumab indicates that this distinct thrombotic microangiopathy is another complement mediated thrombotic microangiopathy syndrome. Opioid thrombotic microangiopathy has a varied clinical presentation and can mimic other catastrophic microangiopathy syndromes, all of which have in common a responsiveness to complement inhibition.

There are three main, naturally occurring, epidemiological types of botulism: food-borne, intestinal colonization (infant botulism) and wound botulism. The neurological signs and symptoms are the same for all three epidemiological types and may include respiratory paralysis. Wound botulism is caused by growth of cells and release of toxin in vivo, is associated with traumatic wounds and abscesses and has been reported in drug users, such as those injecting heroin or sniffing cocaine. Up to the end of 1999 there were no confirmed cases of wound botulism in the UK. Between the beginning of 2000 and the end of December 2002, there were 33 clinically diagnosed cases of wound botulism in the UK and Ireland. All cases had injected heroin into muscle or by 'skin popping'. The clinical diagnosis was confirmed by laboratory tests in 20 of these cases. Eighteen cases were caused by type A toxin and two by type B toxin.

Background: Identifying women with past and present drug abuse is an essential aspect of prenatal care. Case: Despite having typical telltale physical signs of prior subcutaneous drug injections, a 33-year-old pregnant woman who had regular prenatal care visits with multiple obstetric care providers was only identified as a drug abuser after a cesarean section, when her skin scars were identified by one provider as the result of “skin popping” related to injections of illicit drugs before this pregnancy. Conclusion: This case demonstrates that obstetricians must become aware of the telltale signs of drug abuse, such as subcutaneous injections (skin popping) with illicit drugs leading to scaring of the arms and other parts of the body.

It is estimated that worldwide, 16 million people, aged 15-64 years inject illicit drugs regularly. When peripheral venous access becomes obliterated, drug users start injecting into the subdermal area of the skin - "skin popping". When this area ulcerates, the well vascularised granulation tissue called a "shooter's patch" is maintained as a portal for continuing injection. These "shooter's patches" are usually on the limbs, but have been reported on the breast and the penis. We present a case of a reconstructive muscle flap being used in an unforeseen manner as a shooters patch. Surgeons rely on muscle flaps to provide a robust reconstructive option, but we have learnt that drug users value them for their rich vascularity and high absorption.

A 40-year-old gentleman presented with a 7-day history of a painful ulcer over the lateral aspect of his right lower leg. He was an intravenous drug user for the last 15 years and on a methadone programme for the previous 12 months. He admitted to the practice of “skin popping” (injecting drugs subcutaneously) over his right leg as he had exhausted all of the venous access sites. The ulcer had been present for the last 2 years and he did not seek any medical attention as this area was used as a “shooters patch” to inject illicit drugs. Clinical examination revealed a 22 15 cm ulcer over the lateral aspect of his right lower leg with a central area of necrosis approximating 12 8 cm (Fig. 1). The base of the ulcer extended down to the fibula. Radiographic examination

Diseases caused by clostridia are often mediated via toxins. For botulism and tetanus, specific neurotoxins produced by Clostridium botulinum and Clostridium tetani affect different areas in the nervous system to cause weakness or spasticity. In 1995, the California Department of Health Services (CDHS) documented an increase in the reported number of cases of wound botulism (WB) that started in 1994. A total of 96 cases of tetanus were reported to occur in California between 1988 and 2000. Necrotizing soft tissue infections (NSTIs) and necrotizing fasciitis are not reportable conditions in California. The proportion of cases with necrotizing fasciitis was over 80% at two of the three hospitals, and the mortality rate ranged from 10 to 27%. The recent epidemic of wound botulism (WB), tetanus, and NSTIs among injecting drug users (IDUs) in California is likely due, in great part, to skin popping of black tar heroin (BTH) contaminated with Clostridium species. Injection drug use is a complicated issue, and IDUs are a difficult population to reach with prevention messages. These messages will have to address drug rehabilitation to decrease the risk of infection with blood-borne pathogens along with the risk for WB, tetanus, and NSTIs. In recent years, California clinicians have seen increasing numbers of serious Clostridium infections among IDUs, including WB, tetanus, and necrotizing fasciitis. The recent epidemics of WB, tetanus, and NSTIs among IDUs in California are likely due, in great part, to skin popping of BTH contaminated with Clostridium species.

Skin popping refers to the act of subcutaneous injection of intravenous drugs, a practice that often results in the development of cellulitis and the formation of soft tissue abscesses. Although the foot and ankle represent common injection sites, few data have described the presentation and natural history of this pathologic entity. The objective of the present study was to retrospectively assess the descriptive demographic data of a patient cohort admitted for lower extremity skin and soft tissue infection caused by intravenous drug abuse. Fifty skin popping lesions in 49 patients were identified during a 733-day data collection period (August 1, 2010 to August 31, 2012) that had been treated by the in-patient podiatric surgical service for lower extremity infection caused by intravenous drug abuse at an urban, level-one trauma center. With respect to patient race, our hospital has a typical in-patient census of 55% black patients and 25% white patients. The present patient cohort consisted of 12% black patients and 65% white patients. The mean length of stay was 5.71 ± 3.56 days, and 42 patients (85.71%) underwent some form of surgical debridement, with 31 (63.27%) having undergone a formal procedure in the operating room. Six patients (12.24%) left the hospital against medical advice or refused intervention at some definitive point of care, and 36 (73.47%) did not return for scheduled outpatient follow-up visits. Three cases (6%) resulted in minor amputation. The microbiologic culture data and common antibiotic prescriptions used in the diagnosis and treatment, respectively, of these patients have been summarized. We hope these original descriptive data can be used by other physicians treating patients at similar urban practices to improve the care of these sometimes difficult-to-treat patients and better serve this population as a whole.