How the Drug Works

Specially treated tablets (Acetest) or plastic test strips (Chemstrip K, Ketostix) detect the presence of ketones in the urine and blood (Acetest only). Ketones are substances that are formed when the body breaks down fats and carbohydrates for energy or food. When there are too many ketones in the body, they spill over into the urine. Ketones may be found in the urine of people who are fasting, on starvation diets, or in diabetics who have a very high blood sugar level because of lack of insulin. Ketones are not present in normal urine.

Uses

To detect ketones in urine.

To monitor for diabetic ketoacidosis, a complication of diabetes that may lead to diabetic coma. Ketoacidosis occurs in uncontrolled diabetes.

Acetest only - To detect ketones in urine and in blood.

Liver and kidney function tests requiring the administration of phthalein compounds such as bromsulfophthalein, phenolsulfonphthalein (PSP), or phenyl ketones (large quantities) may interfere with the ketone tests.

Specimen Collection and Preparations: Collect fresh urine in clean dry container and test as soon as possible. If testing cannot be done within an hour, refrigerate immediately. Let urine return to room temperature (59° to 86°F) before testing. Mix urine thoroughly before testing. Urine that is not tested right away or use of urine preservatives may affect test results. Storage and handling:

For Acetest tablets - These tablets are stable in the unopened container if stored at temperatures between 59° and 86°F. Protect from heat, moisture, and light. Once opened, stability is decreased with exposure to moisture, heat, and light. The bottle must be recapped promptly after removing a tablet. Tablets should be used on a regular basis and not stored for an extended period of time after the bottle is opened. Tan-to­brown discoloration or darkening of the tablet is an indication of deterioration.

For ChemStrip K-Avoid contact with skin and mucous membranes. Keep unused test strips in the original bottle with the cap tightly closed. ChemStrip Kwill remain stable in the original capped vial until the listed expiration date. To avoid moisture, replace the original stopper, which contains a drying agent, immediately after use. Store at room temperature (59° to 86°F). Protect from heat, moisure, and light. Do not freeze.

For Ketostix-Keep fingers or other objects from touching the reagent area before testing. Store at room temperatures between 59° and 86°F. Protect from heat, moisture, and light. Keep unused test strips in the original bottle with the cap tightly closed. Always replace the cap immediately and tightly. A new bottle can be used for 6 months. Always write the date you first opened the bottle on the bottle label. Do not use the strips after the expiration date has passed. Never transfer strips to another bottle. Do not remove the drying agent from bottle. It absorbs moisture and keeps the strips dry. Never put cotton or other materials in the bottle. If the reagent area becomes discolored or darkened, throw the strip away and use a strip from a new bottle. If using the individual foil-wrapped strips, do not remove strips until just prior to use.

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