Potassium

Generic name: Potassium Citrate
Brand names: Urocit-K
Drug class: Urinary pH modifiers

Usage of Potassium

Potassium is a mineral that is found in many foods and is needed for several functions of your body, especially the beating of your heart.

Potassium citrate is used to treat a kidney stone condition called renal tubular acidosis.

Potassium citrate may also be used for other purposes other than those listed in this medication guide.

Potassium side effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using potassium citrate and call your doctor at once if you have any of these serious side effects:

confusion, anxiety, feeling like you might pass out;

uneven heartbeat;

extreme thirst, increased urination;

leg discomfort;

muscle weakness or limp feeling;

numbness or tingly feeling in your hands or feet, or around your mouth;

severe stomach pain, ongoing diarrhea or vomiting;

black, bloody, or tarry stools; or

coughing up blood or vomit that looks like coffee grounds.

Less serious side effects may include:

mild nausea or upset stomach;

mild or occasional diarrhea; or

appearance of a potassium citrate tablet in your stool.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.

Before taking Potassium

You should not use this medication if you are allergic to it, or if you have certain conditions. Be sure your doctor knows if you have:

high levels of potassium in your blood (hyperkalemia);

kidney failure;

a urinary tract infection;

untreated or uncontrolled diabetes;

Addison's disease (an adrenal gland disorder);

a large tissue injury such as a severe burn;

a peptic ulcer in your stomach;

if you are severely dehydrated; or

if you are taking a "potassium-sparing" diuretic (water pill) such as amiloride (Midamor, Moduretic), spironolactone (Aldactone, Aldactazide), triamterene (Dyrenium, Dyazide, Maxzide).

You should not take potassium citrate tablets if you have problems with your esophagus, stomach, or intestines that make it difficult for you to swallow or digest pills.

Before using potassium citrate, tell your doctor if you are allergic to any drugs, or if you have:

kidney disease;

congestive heart failure, enlarged heart, or history of heart attack;

other heart disease or high blood pressure;

diabetes;

a blockage in your stomach or intestines; or

chronic diarrhea (such as ulcerative colitis, Crohn's disease).

If you have any of these conditions, you may need a dose adjustment or special tests to safely take potassium citrate.

FDA pregnancy category C. This medication may be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment. It is not known whether potassium passes into breast milk or if it could harm a nursing baby. Do not use potassium citrate without telling your doctor if you are breast-feeding a baby.

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How to use Potassium

Take potassium citrate exactly as prescribed by your doctor. Do not take it in larger amounts or for longer than recommended. Follow the directions on your prescription label.

Do not crush, chew, break, or suck on an extended-release tablet. Swallow the pill whole. Breaking or crushing the pill may cause too much of the drug to be released at one time. Sucking on a potassium tablet can irritate your mouth or throat. Call your doctor if it feels like the tablet is getting stuck in your throat when you swallow it.

Measure the liquid medicine with a special dose-measuring spoon or cup, not a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one.

Liquid potassium should be mixed with at least 4 ounces (one-half cup) of cold water or fruit juice. Drink the mixture slowly, over 5 to 10 minutes in all. To make sure you get the entire dose, add a little more water to the same glass, swirl gently and drink right away.

Take potassium citrate with a meal or bedtime snack, or within 30 minutes after a meal.

Your treatment may include a special diet. It is very important to follow the diet plan created for you by your doctor or nutrition counselor. You should become very familiar with the list of foods you should eat or avoid to help control your condition.

To be sure this medication is helping your condition, your blood may need to be tested often. Your heart rate may also be checked using an electrocardiograph or ECG (sometimes called an EKG) to measure electrical activity of the heart. This test will help your doctor determine how long to treat you with potassium. Do not miss any scheduled appointments.

Do not stop taking potassium citrate without first talking to your doctor. If you stop taking potassium suddenly, your condition may become worse. Store potassium citrate at room temperature away from moisture and heat. Keep the medication in a closed container.

Warnings

You should not use potassium citrate if you have kidney failure, a urinary tract infection, uncontrolled diabetes, a peptic ulcer in your stomach, Addison's disease, severe burns or other tissue injury, if you are dehydrated, if you take certain diuretics (water pills), or if you have high levels of potassium in your blood (hyperkalemia).

You should not take potassium citrate tablets if you have problems with your esophagus, stomach, or intestines that make it difficult for you to swallow or digest pills.

Do not crush, chew, break, or suck on an extended-release tablet. Swallow the pill whole. Breaking or crushing the pill may cause too much of the drug to be released at one time. Sucking on a potassium tablet can irritate your mouth or throat. Avoid lying down for at least 30 minutes after you take this medication. Take potassium citrate with a meal or bedtime snack, or within 30 minutes after a meal.

Serious side effects of potassium citrate include uneven heartbeat, muscle weakness or limp feeling, severe stomach pain, and numbness or tingling in your hands, feet, or mouth.

Do not stop taking potassium citrate without first talking to your doctor. If you stop taking potassium suddenly, your condition may become worse.

What other drugs will affect Potassium

The following drugs can interact with potassium citrate. Tell your doctor if you are using any of these:

eplerenone (Inspra);

digoxin (digitalis, Lanoxin);

Candesartan (Atacand), losartan (Cozaar, Hyzaar), valsartan (Diovan), or telmisartan (Micardis);

glycopyrrolate (Robinul);

mepenzolate (Cantil);

quinidine (Quinaglute, Quinidex, Quin-Release);

atropine (Donnatal, and others), Benztropine (Cogentin), dimenhydrinate (Dramamine), methscopolamine (Pamine), or scopolamine (Transderm-Scop);

a bronchodilator such as ipratroprium (Atrovent) or tiotropium (Spiriva);

bladder or urinary medications such as darifenacin (Enablex), flavoxate (Urispas), oxybutynin (Ditropan, Oxytrol), tolterodine (Detrol), or solifenacin (Vesicare);

irritable bowel medications such as dicyclomine (Bentyl), hyoscyamine (Anaspaz, Cystospaz, Levsin, and others), or propantheline (Pro-Banthine);

an ACE inhibitor such as Benazepril (Lotensin), Captopril (Capoten), fosinopril (Monopril), enalapril (Vasotec), lisinopril (Prinivil, Zestril), moexipril (Univasc), perindopril (Aceon), quinapril (Accupril), ramipril (Altace), or trandolapril (Mavik); or

any type of diuretic (water pill) such as bumetanide (Bumex), chlorothiazide (Diuril), chlorthalidone (Hygroton, Thalitone), ethacrynic acid (Edecrin), furosemide (Lasix), hydrochlorothiazide (HCTZ, HydroDiuril, Hyzaar, Lopressor, Vasoretic, Zestoretic), indapamide (Lozol), metolazone (Mykrox, Zarxolyn), or torsemide (Demadex).

This list is not complete and there may be other drugs that can interact with potassium citrate. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.

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