DrugindexOnline^{2nd edition}

Generic Name: Potassium Chloride Controlled-Release Tablets (Microencapsulated) (poe-TASS-ee-uhm KLOR-ide)
Brand Name: Examples include K-Dur and Klor-Con M10

K-Dur Controlled-Release Tablets is used for:

Preventing or treating low blood potassium levels in certain patients. Low blood potassium levels may be caused by certain diseases, severe or prolonged episodes of vomiting or diarrhea, certain medicines (eg, corticosteroids, diuretics, digitalis), surgery, or other conditions. It may also be used for other conditions as determined by your doctor.

K-Dur Controlled-Release Tablets is an electrolyte. It works by providing potassium when you have low levels of potassium in your blood.

Do NOT use K-Dur Controlled-Release Tablets if:

• you are allergic to any ingredient in K-Dur Controlled-Release Tablets
• you have high blood potassium levels, severe kidney problems, narrowing of the esophagus due to an enlarged heart, or you have a blockage, slowing, or paralysis of the esophagus, stomach, or intestines
• you are taking an aldosterone blocker (eg, eplerenone), an anticholinergic (eg, methscopolamine), or a potassium-sparing diuretic (eg, spironolactone, triamterene)

Contact your doctor or health care provider right away if any of these apply to you.

Before using K-Dur Controlled-Release Tablets:

Some medical conditions may interact with K-Dur Controlled-Release Tablets. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

• if you are pregnant, planning to become pregnant, or are breast-feeding
• if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
• if you have allergies to medicines, foods, or other substances
• if you have kidney problems, high blood acid levels, heat cramps, extensive tissue injury (eg, severe burns), muscle weakness or paralysis, potassium excretion problems, diabetes, heart problems (eg, irregular heartbeat, heart failure, mitral valve replacement), esophagus problems, high blood pressure, diarrhea, adrenal gland problems, or scleroderma, or you are dehydrated
• if you are confined to a bed or chair

Some MEDICINES MAY INTERACT with K-Dur Controlled-Release Tablets. Tell your health care provider if you are taking any other medicines, especially any of the following:

• Aldosterone blockers (eg, eplerenone), angiotensin-converting enzyme (ACE) inhibitors (eg, lisinopril), or potassium-sparing diuretics (eg, spironolactone, triamterene) because high blood potassium levels may occur and cause listlessness, confusion, abnormal skin sensations of the arms and legs, heaviness of limbs, slowed or irregular heartbeat, or stopping of the heart
• Anticholinergics (eg, methscopolamine) because the risk of esophagus, stomach, or intestinal problems may be increased
• Digoxin because the risk of its side effects may be increased by K-Dur Controlled-Release Tablets

This may not be a complete list of all interactions that may occur. Ask your health care provider if K-Dur Controlled-Release Tablets may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use K-Dur Controlled-Release Tablets:

Use K-Dur Controlled-Release Tablets as directed by your doctor. Check the label on the medicine for exact dosing instructions.

• Take K-Dur Controlled-Release Tablets by mouth with food or after a meal.
• Take K-Dur Controlled-Release Tablets with a full glass of water (8 oz/240 mL). Do not lie down for 30 minutes after taking this medicine.
• Swallow K-Dur Controlled-Release Tablets whole. Do not crush or chew before swallowing.
• If you have trouble swallowing the tablet whole, you may break the tablet in half and swallow each half separately with a glass of water. You may also dissolve the tablet in half a glass (4 oz/120 mL) of water. Let the tablet dissolve for 2 minutes, then stir well for half a minute. Swirl and drink all the liquid right away. Add 1 oz/30 mL of water to the glass, swirl, and drink; repeat this 1 more time to ensure you have taken all of the medicine.
• Throw away any unused mixture. Do not store the mixture for future use.
• If you miss a dose of K-Dur Controlled-Release Tablets, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.

Ask your health care provider any questions you may have about how to use K-Dur Controlled-Release Tablets.

Important safety information:

• Do NOT take more than the recommended dose or use for longer than prescribed without checking with your doctor.
• Check with your doctor before you use a salt substitute or a product that has potassium in it.
• If you have trouble swallowing K-Dur Controlled-Release Tablets, or if it seems to stick to your throat, check with your doctor.
• Lab tests, including blood potassium and electrocardiograms (ECG), may be performed while you use K-Dur Controlled-Release Tablets. These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments.
• Use K-Dur Controlled-Release Tablets with caution in the ELDERLY; they may be more sensitive to its effects.
• K-Dur Controlled-Release Tablets should be used with extreme caution in CHILDREN; safety and effectiveness in children have not been confirmed.
• PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using K-Dur Controlled-Release Tablets while you are pregnant. K-Dur Controlled-Release Tablets is found in breast milk. If you are or will be breast-feeding while you use K-Dur Controlled-Release Tablets, check with your doctor. Discuss any possible risks to your baby.

Possible side effects of K-Dur Controlled-Release Tablets:

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Diarrhea; gas; nausea; stomach discomfort; vomiting.

Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); black, tarry stools; chest pain; irregular heartbeat; listlessness; numbness or tingling in your skin, lips, hands, or feet; severe nausea or vomiting; stomach pain or swelling; unusual confusion or anxiety; unusual muscle weakness or paralysis; vomit that looks like coffee grounds; weak or heavy legs.

This is not a complete list of all side effects that may occur. If you have questions or need medical advice about side effects, contact your doctor or health care provider. You may report side effects to the FDA at 1-800-FDA-1088 (1-800-332-1088) or at http://www.fda.gov/medwatch.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center (http://www.aapcc.org/findyour.htm), or emergency room immediately. Symptoms may include abnormal skin sensations of the arms and legs; bloody stools; confusion; heaviness of limbs; listlessness; slow or irregular heartbeat; slowed breathing rate; stopping of the heart.

Proper storage of K-Dur Controlled-Release Tablets:

Store K-Dur Controlled-Release Tablets at room temperature, between 59 and 86 degrees F (15 and 30 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Keep K-Dur Controlled-Release Tablets out of the reach of children and away from pets.

General information:

• If you have any questions about K-Dur Controlled-Release Tablets, please talk with your doctor, pharmacist, or other health care provider.
• K-Dur Controlled-Release Tablets is to be used only by the patient for whom it is prescribed. Do not share it with other people.
• If your symptoms do not improve or if they become worse, check with your doctor.

This information is a summary only. It does not contain all information about K-Dur Controlled-Release Tablets. If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.