Description
KLACID 250 MG – CLARITHROMYCIN
What is clarithromycin?
Clarithromycin is a macrolide antibiotic. It fights bacteria in your body.
Clarithromycin is used to treat many different types of bacterial infections affecting the skin and respiratory system. It is also used together with other medicines to treat stomach ulcers caused by Helicobacter pylori.
Clarithromycin may also be used for purposes not listed in this medication guide.
Important information
You should not use this medication if you are allergic to clarithromycin, or to similar medicines such as azithromycin (Zithromax), erythromycin (E.E.S., EryPed, Ery-Tab, Erythrocin, Pediazole), or telithromycin (Ketek).
You should not use this medication if you have a life-threatening heart rhythm disorder, a history of Long QT syndrome, if you have ever had jaundice or liver problems caused by taking clarithromycin, or if you have liver or kidney disease and are also taking colchicine (Colcrys).
Do not use clarithromycin if you are also using any of the drugs listed below. They can interact with clarithromycin and cause serious or life-threatening side effects:
cisapride (Propulsid);
pimozide (Orap);
lovastatin (Mevacor, Altoprev, Advicor) or simvastatin (Zocor, Simcor, Vytorin); or
ergot medicine such as ergotamine (Ergomar, Ergostat, Cafergot, Ercaf, Wigraine), or dihydroergotamine (D.H.E. 45, Migranal Nasal Spray).
Take this medicine for the full prescribed length of time. Your symptoms may improve before the infection is completely cleared. Skipping doses may also increase your risk of further infection that is resistant to antibiotics. Clarithromycin will not treat a viral infection such as the common cold or flu.
Before taking this medicine
You should not use this medication if you are allergic to clarithromycin or to similar medicines such as azithromycin (Zithromax), erythromycin (E.E.S., EryPed, Ery-Tab, Erythrocin, Pediazole), or telithromycin (Ketek).
You should not use this medication if you have a life-threatening heart rhythm disorder, a history of Long QT syndrome, if you have ever had jaundice or liver problems caused by taking clarithromycin, or if you have liver or kidney disease and are also taking colchicine (Colcrys).
Do not use clarithromycin if you are also using any of the drugs listed below. They can interact with clarithromycin and cause serious or life-threatening side effects:
cisapride (Propulsid);
pimozide (Orap);
lovastatin (Mevacor, Altoprev, Advicor) or simvastatin (Zocor, Simcor, Vytorin); or
ergot medicine such as ergotamine (Ergomar, Ergostat, Cafergot, Ercaf, Wigraine), or dihydroergotamine (D.H.E. 45, Migranal Nasal Spray).
To make sure you can safely take clarithromycin, tell your doctor if you have any of these other conditions:
liver disease;
kidney disease;
myasthenia gravis;
porphyria;
an electrolyte imbalance (such as low levels of potassium or magnesium in your blood);
a family history of Long QT syndrome; or
if you take any of these heart rhythm medications — amiodarone (Cordarone, Pacerone), disopyramide (Norpace), dofetilide (Tikosyn), flecainide (Tambocor), dronedarone (Multaq), ibutilide (Corvert), mexiletine (Mexitil), procainamide (Procan, Pronestyl), propafenone, (Rythmol), quinidine (Quin-G), or sotalol (Betapace).
FDA pregnancy category C. It is not known whether clarithromycin will harm an unborn baby. Before you take clarithromycin, tell your doctor if you are pregnant or plan to become pregnant while using this medication.
See also: Pregnancy and breastfeeding warnings
It is not known whether clarithromycin passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
Do not give clarithromycin to a child younger than 6 months of age.
Older adults may be more likely to have side effects on heart rhythm, including a life-threatening fast heart rate.
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