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Quinidine is a class IA antiarrhythmic agent used to treat heart rhythm disturbances. [1] It is a diastereomer of antimalarial agent quinine, [2] originally derived from the bark of the cinchona tree. The drug causes increased action potential duration, as well as a prolonged QT interval. As of 2019, its IV formulation is no longer being ...
Quinine is a medication used to treat malaria and babesiosis. [5] This includes the treatment of malaria due to Plasmodium falciparum that is resistant to chloroquine when artesunate is not available. [5] [6] While sometimes used for nocturnal leg cramps, quinine is not recommended for this purpose due to the risk of serious side effects. [5]
It is a calcium sensitizer and a selective inhibitor of phosphodiesterase 3 (PDE3) with positive inotropic and vasodilator effects. Pimobendan is used in the management of heart failure in dogs, most commonly caused by myxomatous mitral valve disease (also previously known as endocardiosis), or dilated cardiomyopathy. [3]
Hypersensitivity to quinine, mefloquine, quinidine, or dextromethorphan/quinidine with a history of thrombocytopenia, hepatitis, bone marrow depression or lupus-like syndrome induced by these drugs QT interval, prolonged or congenital long QT syndrome or a history suggesting torsades de pointes
Related: Benadryl for Dogs: Side Effects of Long-Term Use. Signs of Benadryl Overdose in Dogs. At normal doses, Benadryl is quite safe, but a survey of over 600 dogs (1) found the following signs ...
pimobendan – phosphodiesterase 3 inhibitor used to manage heart failure in dogs; pirlimycin – antimicrobial; ponazuril – anticoccidial; praziquantel – treatment of infestations of the tapeworms Dipylidium caninum, Taenia pisiformis, Echinococcus granulosus; prazosin – sympatholytic used in hypertension and abnormal muscle contractions
Quinine and its derivatives are used medically to treat malaria and lupus erythematosus. In much smaller amounts, quinine is an ingredient of tonic drinks, acting as a bittering agent. Cinchonism can occur from therapeutic doses of quinine, either from one or several large doses.
These signs and symptoms are not side effects of the drugs taken which occur during short term use. DIL occurs over long-term and chronic use of the medications listed below. While these symptoms are similar to those of systemic lupus erythematosus , they are generally not as severe unless they are ignored which leads to more harsh symptoms ...