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Urobiotic-250 (oxytetracycline / phenazopyridine / sulfamethizole) and Alcohol/Food Interactions

There are 2 alcohol/food/lifestyle interactions with Urobiotic-250 (oxytetracycline / phenazopyridine / sulfamethizole) which include:


oxytetracycline multivitamins with minerals

Moderate Drug Interaction

Iron can bind to oxytetracycline in the gastrointestinal tract, which may prevent their absorption into the bloodstream and possibly reduce their effectiveness. To avoid or minimize the interaction, iron-containing medications and oxytetracycline should preferably be taken at least three to four hours apart in most cases. Talk to your doctor if you have any questions or concerns, or if you have trouble separating the dosing times. Your doctor may be able to prescribe alternatives that do not interact. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Switch to professional interaction data


oxytetracycline food

Moderate Food Interaction

Consumer information for this interaction is not currently available.

ADJUST DOSING INTERVAL: Administration with food, particularly dairy products, significantly reduces tetracycline absorption. The calcium content of these foods forms nonabsorbable chelates with tetracycline.

MANAGEMENT: Tetracycline should be administered one hour before or two hours after meals.


  1. "Product Information. Achromycin (tetracycline)." Lederle Laboratories, Wayne, NJ.
  2. "Product Information. Declomycin (demeclocycline)." Lederle Laboratories, Wayne, NJ.

Urobiotic-250 (oxytetracycline / phenazopyridine / sulfamethizole) drug interactions

There are 240 drug interactions with Urobiotic-250 (oxytetracycline / phenazopyridine / sulfamethizole)

Urobiotic-250 (oxytetracycline / phenazopyridine / sulfamethizole) disease interactions

There are 9 disease interactions with Urobiotic-250 (oxytetracycline / phenazopyridine / sulfamethizole) which include:

Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.