“…Evidence related to kratom-associated clinical negative consequences in the last 5 years (2018–2022) has been reported. PRES , posterior reversible leukoencephalopathy; ARDS , acute respiratory distress syndrome Reference(s) | Main symptoms and clinical presentations |
Kratom-related neurological issues |
[ 77 , 89 , 90 ] | Central nervous system depression and coma, (focal, bilateral, and generalized tonic–clonic) seizures, ataxia, PRES (headache, disorientation, aphasia, confusion), transient paralysis (lightheadedness, weakness, paralysis as catatonic state), intracerebral hemorrhage |
Kratom-related psychiatric issues |
[ 91 , 92 ] | Altered mental status, agitation, psychotic symptoms (visual and auditory hallucinations, delusions of grandeur, paranoid thoughts), confusion, irritability, reduction in motivation, withdrawal symptoms with obsessive thoughts, and suicidal or homicidal ideation |
Kratom-related dependence/withdrawal syndrome |
[ 93 , 94 ] | Craving, physical (runny nose, fatigue, dyspepsia, nausea, anorexia, diarrhea, diaphoresis, myalgia, rhinorrhea, lacrimation, arthralgia) and psychological symptoms (e.g., aggression, hostility/irritability, nervousness, restlessness, inability to work, sadness, emotional imbalance, insomnia, depression, anxiety, thoughts of self-harm, sedation, anhedonia, poor concentration, social isolation) |
Kratom-related neonatal abstinence syndrome, with or without maternal abstinence syndrome |
[ 78 , 95 ] | Muscle hypertonicity, sneezing, jittery, crying, increased muscle tone, tachypnea, hyperthermia, excessive sucking, irritability, sleeplessness, facial excoriations, feeding intolerance |
Kratom-related acute intoxication, overdoses, and fatalities |
[ 87 , 88 , 96 , 97 ] | Overdose symptoms (respiratory depression, neurological and psychiatric acute manifestations), dry mouth, dizziness, palpitations, tremors, and death (cardiorespiratory arrest, hypoxic brain damage, intramuscular hemorrhage of the tongue, pulmonary edema and congestion, brain edema, left ventricular hypertrophy, rhabdomyolysis, renal failure, transient non-ischemic reversible cardiomyopathy, pressure necrosis, hepatic injury, electrolytic distur... |
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