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All about: K-Tabs Extended-Release Tablets

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Generic Name: Potassium Chloride Extended-Release Tablets (poe-TAS-ee-um KLOR-ide)
Brand Name: Examples include K-Tabs and Klor-Con

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

Do NOT use K-Tabs Extended-Release Tablets if:

  • you are allergic to any ingredient in K-Tabs Extended-Release Tablets
  • you have high blood potassium levels or severe kidney problems
  • you have a narrowing of the esophagus due to an enlarged heart; or 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-Tabs Extended-Release Tablets:

Some medical conditions may interact with K-Tabs Extended-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-Tabs Extended-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-Tabs Extended-Release Tablets

This may not be a complete list of all interactions that may occur. Ask your health care provider if K-Tabs Extended-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-Tabs Extended-Release Tablets:

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

  • Take K-Tabs Extended-Release Tablets by mouth with food or after a meal.
  • Take K-Tabs Extended-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-Tabs Extended-Release Tablets whole. Do not break, crush, or chew before swallowing.
  • If you miss a dose of K-Tabs Extended-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-Tabs Extended-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-Tabs Extended-Release Tablets, or if it seems to stick in your throat, check with your doctor.
  • You may notice undissolved parts of the tablet shell in your stool with some brands of K-Tabs Extended-Release Tablets. This is normal and not a cause for concern.
  • Lab tests, including blood potassium and electrocardiogram (ECG), may be performed while you use K-Tabs Extended-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-Tabs Extended-Release Tablets with caution in the ELDERLY; they may be more sensitive to its effects.
  • K-Tabs Extended-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-Tabs Extended-Release Tablets while you are pregnant. K-Tabs Extended-Release Tablets is found in breast milk. If you are or will be breast-feeding while you use K-Tabs Extended-Release Tablets, check with your doctor. Discuss any possible risks to your baby.

Possible side effects of K-Tabs Extended-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-Tabs Extended-Release Tablets:

Store K-Tabs Extended-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-Tabs Extended-Release Tablets out of the reach of children and away from pets.

General information:

  • If you have any questions about K-Tabs Extended-Release Tablets, please talk with your doctor, pharmacist, or other health care provider.
  • K-Tabs Extended-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-Tabs Extended-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.

Issue Date: September 5, 2007
Database Edition 07.3.1.003
Copyright © 2007 Wolters Kluwer Health, Inc.

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