Ketodiastix measure both urine glucose and urine ketones.
Ketostix measure urine ketones.
The following medications and/or problems with urine samples can produce false negative or false postive results when testing urine for glucose.
See Urine testing stix-Reading Results for examples of ketodiastix and ketostix color charts.
|
Possible False Urine Glucose Test Results--Antibiotics | |
|---|---|
| Antibiotic [1]/Sulfa [2][3][4] drug name | Effects |
| cephalexin, Keflex, [5] Cephorum (UK), [6] Rilexine [7] Cefixime/Suprax [8] Cefotixin/Mefoxin [9] Cefpodoxime Proxetil/Simplicef [10]Cefotaxime/Claforan [11] other cephalosporin antibiotics [12] enrofloxacin, [13] Baytril [14] |
less than accurate (false negatives & positives) urine glucose test results [15] |
| Gantrisin, Septra, Bactrim, Albon [16],Duphatrim [17] Tribrissen (UK) [18], Trinacol (UK) [19] more names at link [20] |
can alter urine glucose test results [21][22] |
| Chloramphenichol [23] Chloromycetin [24] |
can produce false urine glucose test results [25]. |
| Tetracycline, [26] Helidac, Sumycin, [27] Doxycycline [28] Doryx, Doxy 100 Monodox, Vibramycin Vibra-Tabs, Ronaxan (UK) [29] |
false urine glucose test results [30] |
| Penicillin and its derivatives ampicillin, carbenicillin ticarcillin, penicillin G other names at links [31][32] |
can produce false positive urine glucose test results [33]. |
|
Possible False Urine Glucose Test Results--Other Drugs | |
|---|---|
| Acetaminophen [34] (brand names) Tylenol |
Common use: Pain reliever. |
| Aspirin [35] | Common use: Pain reliever. False positives possible (urine test brand name Clinitest.) False negatives possible (urine test brand names Clinistix or TesTape.) |
| Salicylates Pepto-Bismol, etc. [36] |
Common use: Diarrhea. False positives possible (urine test brand name Clinitest.) False negatives possible (urine test brand names Clinistix or TesTape.) |
| Phenazopyridine Pyridium, Geridium, Pyridiate, or Urogesic |
Common use: Urinary tract infections. False positives possible (urine test brand name TesTape.) Delayed reactions possible (urine test brand names Clinistix or TesTape.) [37] |
| Diazepam [38] (brand names) Valium |
Negative. Common uses: Seizures, anxiety, muscle relaxant, appetite stimulant. (urine tests brand names Diastix and Clinistix.) |
| Blood Chemistry | Decreased blood glucose and cholesterol test levels. |
|---|---|
| Urine Testing | False high urine glucose test results (With urine test brand name Clinitest) [40]. |
| Urine Testing | False negative urine glucose test results (With urine test brand name Clinistix) [40]. |
| Urine Testing | False negative urine glucose test results With other urine test brand name strips. [41] |
|
Possible False Urine Glucose Test Results-Other Reasons | |
|---|---|
| Moderate Ketones [41] | Negative if glucose is only slightly elevated. |
| Increased Urine Specific Gravity [41] | Negative. |
| Decreased Temperature [41] | Negative-refrigerated samples. |
| Very Concentrated Urine | Negative [42]. |
| Expired Test Strips [41] | Negative. |
| Old Urine Sample [43] | Negative. Bacterial metabolism of urine at room temperatures for extended periods.[44] |
| Contaminated Sample [41] | Positive with oxidant contamination such as bleach, hydrogen peroxide or formaldehyde. [45] |
| Cystitis [45] | Positive due to bacterial peroxidases. |
If your pet is taking any type of vitamin supplements, it should be noted on his or her medical records. Knowing that he/she is using them means being able to factor them into interpretations of test results.
References[]
- ↑ Rees, Christine A., Boothe, Dawn M. (2004). Cephalexin/Keflex, Enrofloxacin/Baytril & Inaccurate Urine Glucose Testing in Dogs. Journal-American Veterinary Medical Association.
- ↑ Rickards, Rick. Sulfonamides. PetTalk.com.
- ↑ Rickards, Rick. Trimethoprim. PetTalk.com.
- ↑ Rickards, Rick. Ormetoprim. PetTalk.com.
- ↑ Cephalexin/Keflex Information. Medline Plus.
- ↑ Cephorum. NOAH Compendium-UK.
- ↑ Rilexine. NOAH Compendium-UK.
- ↑ Suprax/Cefixime. RxList.com.
- ↑ Cefotixin/Mefoxin. Petplace.com.
- ↑ Cefpodoxime Proxetil/Simplicef. Petplace.com.
- ↑ Cefotaxime/Claforan. Petplace.com.
- ↑ Dose Rates of Cephalosporins. Merck Veterinary Manual.
- ↑ Rickards, Rick. Enrofloxacin. PetTalk.com.
- ↑ Enrofloxacin/Baytril Information. PetPlace.com.
- ↑ Cephalosporins and Cephamycins-Special Clinical Concerns. Merck Veterinary Manual.
- ↑ Albon. Medi-Vet.com.
- ↑ Duphatrim. NOAH Compendium-UK.
- ↑ Tribrissen. NOAH Compendium-UK.
- ↑ Trinacol. NOAH Compendium-UK.
- ↑ Dose Rates of Sulfonamides. Merck Veterinary Manual.
- ↑ Sulfa Drugs by Brand Name & Hypoglycemia. Wellness.com.
- ↑ Sulfonamides and Sulfonamide Combinations-Special Clinical Concerns. Merck Veterinary Manual.
- ↑ Rickards, Rick. Chloramphenichol. PetTalk.com.
- ↑ Chloramphenichol/Chloromycetin & Blood Glucose. Healthtouch.
- ↑ Chloramphenicol and Congeners-Special Clinical Concerns. Merck Veterinary Manual.
- ↑ Rickards, Rick. Tetracycline. PetTalk.com.
- ↑ Tetracycline Medications & False Urine Test Results. Medline Plus.
- ↑ Rickards, Rick. Doxycycline. PetTalk.com.
- ↑ Ronaxan. NOAH Compendium-UK.
- ↑ Doxycycline Medications & False Urine Test Results. Medline Plus.
- ↑ Dose Rate of Penicillins-More Generic & Brand Names of Penicillin Family Drugs. Merck Veterinary Manual.
- ↑ Penicillins. Medline Plus.
- ↑ Penicillins-Special Clinical Concerns. Merck Veterinary Manual.
- ↑ Acetaminophen. Health.com.,
- ↑ Aspirin. Elephantcare.org.
- ↑ Bismuth subsalicylate. Elephantcare.org.
- ↑ Phenazopyridine. Merck Manuals Online.
- ↑ Diazepam/Valium. Elephantcare.org.,
- ↑ Rickards, Rick. Vitamin C. PetTalk.com.
- ↑ 40.0 40.1 40.2 Vitamin C & False Test Results in Pets. Provet UK.
- ↑ 41.0 41.1 41.2 41.3 41.4 41.5 Sine, Cheryl S., et. al. (2003). Urinalysis Dipstick Interpretations. Glucose-University of Georgia.
- ↑ Taylor, Judith A. (November 2006). Urinalysis: Glucose. District of Columbia Academy-Veterinary Medicine.
- ↑ Optimizing Results with Urinalysis Dipsticks. Entrepreneur.com.
- ↑ Consequences of inappropriate urine specimen storage. Chronolab.
- ↑ 45.0 45.1 Urine Glucose. Cornell University.