Consider the following medical report that includes the patient's historical health records. Use it to predict the disease that the patient is high likely exposed to. 

 Medical Report: allergies: patient recorded as having no known allergies to drugs attending: chief complaint: found down. major surgical or invasive procedure: none history of present illness: patient is a 27-year-old man with history of obsessive-compulsive disorder and depression who presents from home after being found down by his friend's girlfriend. according to friend, (see below) they were "partying hard" at a friend's house and then woke up the next morning to find as well as another friend unable to wake up. believes that took too many "opiates", because "this is what opiate overdose looks to me." everyone was worried about so they called police and the ambulance which took to the emergency room. . in the ed, initial vs were: t afebrile, p 114, bp 113/86, r 14, o2 sat 94%ra. an ekg showed sinus tachycardia with normal intervals and no ischemic changes. patient was given 2mg in narcan in the field, 2mg im narcan in ed and then got 2nd mg iv narcan - as he appeared to be protecting his airway adequately, he was not intubated. he was however started on narcan drip prior to admission for concern of persistent somnolence. he also received 1l of intravenous fluids. . on the floor, he feels sleepy and tired. he does not recall what happened. he would prefer to have his brother and when asked, he agrees for us to contact his outpatient psychiatrist. he endorses a friend named (. . as per his outpatient psychiatrists (dr. - former pediatric psychiatrist, and dr. - current psychiatrist with whom patient has only met for a couple of sessions), patient has a history of "disabling" obsessive-compulsive disorder, complicated by mild depression. patient has no history of suicide attempts or intentional drug overdose. . review of systems: patient states that he feels sleepy, denies coughing, fevers, chills, recent illness . denies headache, sinus tenderness, rhinorrhea or congestion. denies cough, shortness of breath, or wheezing. denies chest pain, chest pressure, palpitations, or weakness. denies nausea, vomiting, diarrhea, constipation, abdominal pain, or changes in bowel habits. denies dysuria, frequency, or urgency. denies arthralgias or myalgias. denies rashes or skin changes. past medical history: --obsessive-compulsive disorder (diagnosed years ago) --depression with history of psychiatric hospital admissions (per psychiatric note from ) social history: social history: lives by himself. ?on disability due to psych ilness. started smoking about 6 months ago and smokes a pack every 2 days. drinks socially but in large amounts. family history: (as per omr) extensive ocd fh - eldest brother (controlled on multiple meds), another brother (present at interview) had a "brief stint" with ocd that resolved, father (undiagnosed, except by children). physical exam: vitals: t: 98.4 bp: 92/67 p: 103 r: 12 o2: 96%ra general: patient is alert to name, address, president, and hospital. heent: sclera anicteric, mmm, oropharynx clear neck: supple, jvp not elevated, no lad lungs: clear to auscultation bilaterally, no wheezes, rales, rhonchi cv: tachycardic, normal s1 + s2, no murmurs, rubs, gallops abdomen: soft, non-tender, non-distended, bowel sounds present, no rebound tenderness or guarding, no organomegaly gu: no foley ext: warm, well perfused, 2+ pulses, no clubbing, cyanosis or edema skin: large scar on right shin (old burn), and scar on forehead, well healed. pertinent results: 01:00pm blood wbc-6.4 rbc-3.95* hgb-11.7* hct-33.7* mcv-85 mch-29.5 mchc-34.6 rdw-12.7 plt ct-174 02:00pm blood wbc-16.9* rbc-4.85 hgb-14.3 hct-41.2 mcv-85 mch-29.4 mchc-34.6 rdw-12.7 plt ct-265 05:38pm blood pt-13.3 ptt-31.7 inr(pt)-1.1 03:25am blood glucose-72 urean-19 creat-0.8 na-141 k-4.5 cl-108 hco3-27 angap-11 02:00pm blood glucose-95 urean-19 creat-1.3* na-143 k-5.9* cl-104 hco3-29 angap-16 05:38pm blood alt-21 ast-28 alkphos-45 amylase-28 totbili-0.4 05:38pm blood lipase-16 03:25am blood calcium-8.8 phos-4.2 mg-1.8 02:00pm blood asa-neg ethanol-neg acetmnp-neg bnzodzp-neg barbitr-neg tricycl-neg 02:10pm blood glucose-94 lactate-3.5* k-5.7* 03:55am blood lactate-1.1 benzodiazepine screen, urine neg barbiturate screen, urine neg opiate screen, urine neg cocaine, urine pos amphetamine screen, urine pos methadone, urine pos brief hospital course: # overdose/somnolence - no evidence of trauma on exam. urine toxicology was positive for methadone, cocaine, and amphetamines. amphetamine likely positive in setting of prescribed adderall. he does not have medication patches on his body or needle track marks. patient responded to narcan and was on narcan drip in ed. his alertness waxed and waned the morning of admission. his respiratory rate remained normal and he did not require narcan after admission. he received 4l ivf. scale was maintained. psychiatry was consulted in the morning; they did not believe there was any element of suicidality in the presentation. outpatient psychiatrists (, and (former psychiatrist) have been and are aware of admission; both agree with involving the inpatient psychiatric consult team. throughout the day, the patient's mental status returned to an appropriate baseline; he continued to deny opiod ingestion, but he does state that he was unaware of what he was consuming at the shindig. # hypotension - likely related to opiate overdose. differential in a person who overdosed in his age group would include gi bleed; his hct did trend down from 41-33 but his other cell lines decreased and he was not noted to have diarrhea. he received 4l ivf. . #leukocytosis - initial leukocytosis quickly resolved after admission. unclear etiology. medications on admission: medications: --adderall 15 mg --abilify 10 mg qd --citalopram 60 mg qam --clonazepam 0.5 mg prn discharge disposition: home discharge diagnosis: overdose discharge condition: good, stable discharge instructions: you were evaluated in the ed and the icu for increased sedation after "a night of partying." although you do not know what specifically you ingested, your lab results demonstrate that you ingested opiods. this would explain your increased sedation, decreased drive to breath, and decreased blood pressure; these symptoms reversed when we used an that targets opiods. you were observed throughout the day and improved to a normal mental status. stop using drugs. continue to see your psychiatrist. see below instructions for danger signs that would suggest that you return to the ed. followup instructions: followup with your outpatient psychiatrist, dr. , within 3 days. md procedure: drug detoxification diagnoses: tobacco use disorder accidental poisoning by other opiates and related narcotics other specified cardiac dysrhythmias family history of psychiatric condition poisoning by other opiates and related narcotics accidental poisoning by central nervous system stimulants other specified hypotension leukocytosis, unspecified other alteration of consciousness obsessive-compulsive disorders poisoning by cocaine scar conditions and fibrosis of skin major depressive affective disorder, recurrent episode, mild other, mixed, or unspecified drug abuse, episodic 

Answer: The patient is high likely exposed to