<prompt> Patient is having bronchodilation, increased temperature, constipation and tachycardia. The diagnosis is:Organophosphate poisoningParacetamol poisoningMushroom poisoningAtropine poisoning  <response>: Atropine poisoning All the symptoms mentioned in this question are seen with anticholinergic compounds. Atropine, hyoscine scopolmaine hyoscyamine are natural alkaloids with anticholinergic action. They are found in Dhatura, Atropa belladena, Hyoscyamus niger. Poisoning with these substances are characteristically described as - Dry as a bone Dryness of mouth skin - Red as a beet Flushed face - Blind as a bat Dilated pupil - Hot as a hare Hyperpyrexia - Mad as a wet hen Delirium Symptoms can also be described as 8Ds Other symptoms which can occur are tachycardia, constipation, bronchodilation and reduced airway resistance esp. in COPD and asthma patients and urinary retention. 