One of the mysteries of the English language finally explained.
A compound obtained from cinchona bark and used to treat irregularities of heart rhythm. It is an isomer of quinine.
- ‘Treatment choices are to change the rhythm back to normal and maintain it with medications such as digitalis, quinidine, or other medicines or by electrical stunning of the heart (cardioversion).’
- ‘This has been shown to occur with penicillin, valproic acid, quinidine, sulfonamides, cimetidine and heparin.’
- ‘Intestinal absorption of penicillin, captopril, ciprofloxacin, quinidine and zidovudine was reported to be reduced when given with food.’
- ‘Sinus node dysfunction is usually caused by drugs such as digoxin, quinidine, or procainamide.’
- ‘Metformin also may interact with medications such as cimetidine, digoxin, amiloride, quinidine, vancomycin, and trimethoprim, and may interfere with vitamin B12 absorption.’
Mid 19th century: from Spanish quina ‘cinchona bark’ (from Quechua kina ‘bark’) + -ide + -ine.
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