2 casesCase 1: HIGH BP, tachycardia, tremors, auditory and visual hallucinations, hepatomegaly, disoriented to time, place, person.Case 2: Yawning, diarrhea, diaphoresis, mydriasis, high fever 104degF, rhinorrhea, piloerection.The above symptoms are seen in the withdrawal of which of the following substances?A. AlcoholB. CannabisC. CocaineD. HeroinE. AmphetamineF. MDMAG. KetamineH. LSD

Ans. D. E, G & HWithdrawal symptoms of Ketamine:Hallucination (both auditory & visual) - Most common.Emergence delirium (Psychomimetic emergenceCharacteristic during awakening from anesthesia.More likely if anticholinergic premedication is used.Reduced by benzodiazepine.Withdrawal symptoms of Amphetamine:Fatigue and increased need for sleepIncreased appetiteBodily movements and twitchesSlowed reaction and movementAches and painsIrritability and/or agitationDreams that are often vivid and sometimes unpleasantDepressionWithdrawal symptoms of LSD:Long-lasting psychosis such as that seen in schizophrenia, depression or other severe mental health disorders. LSD withdrawal may induce paranoia that needs to be medically treated. Withdrawal of alcohol,cocaine,cannabis and heroin result in strong cravings for the substance along with other symptoms and it is not seen in above cases.Withdrawal symptoms of MDMA is more psychological than physical