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1 Causes. Toggle Causes subsection. 1.1 Age. ... pinpoint pupil: ... a sign of altered level of consciousness caused by the sedative effect of the drug.
Mydriasis is the dilation of the pupil, usually having a non-physiological cause, [3] or sometimes a physiological pupillary response. [4] Non-physiological causes of mydriasis include disease, trauma, or the use of certain types of drugs. It may also be of unknown cause.
A drug overdose (overdose or OD) is ... Opioid overdoses can also cause pinpoint pupils, ... Drug overdose was the leading cause of injury death in 2013. Among people ...
Pinpoint pupils, or miosis, caused by opioids. Because of their effect on the part of the brain that regulates breathing, opioids can cause very slow or stopped breathing, during overdoses, leading to hypoxia [16] or death if left untreated. [1] Hypoxia is typically caused by respiratory depression.
Dilation and constriction of the pupil Pupillary response is a physiological response that varies the size of the pupil between 1.5 mm and 8 mm, [ 1 ] via the optic and oculomotor cranial nerve. A constriction response ( miosis ), [ 2 ] is the narrowing of the pupil, which may be caused by scleral buckles or drugs such as opiates / opioids or ...
The symptoms of an opiate toxidrome include the classic triad of coma, pinpoint pupils and respiratory depression [3] as well as altered mental states, shock, pulmonary edema and unresponsiveness. Complications include bradycardia, hypotension and hypothermia. Substances that may cause this toxidrome are opioids.
Symptoms may include elevated body temperature, blurred vision, dilated pupils, sleepiness, confusion, seizures, rapid heart rate, and cardiac arrest. [1] If symptoms have not occurred within six hours of exposure they are unlikely to occur. [2] TCA overdose may occur by accident or purposefully in an attempt to cause death. [2]
Organophosphates are used as insecticides, medications, and nerve agents. [4] Symptoms include increased saliva and tear production, diarrhea, vomiting, small pupils, sweating, muscle tremors, and confusion. [2] While onset of symptoms is often within minutes to hours, some symptoms can take weeks to appear. [5] [1] Symptoms can last for days ...