How to use Azo. Take this medication by mouth after meals, usually 3 times daily or as directed by your doctor. If you are taking this medication along with antibiotics for symptoms related to a urinary tract infection, or are self-treating, do not take it for more than 2 days without talking to your doctor.

Adults and children 12 years and older: Take 2 tablets 3 times daily with or after meals as needed for up to two days. Take with a full glass of water. Do not use for more than 2 days (12 tablets) without consulting a doctor.

In conclusion, the duration of Azo in your system can vary depending on factors such as dosage, frequency of use, and individual metabolism. While Azo has a half-life of approximately 6 hours, it may take around 24 to 48 hours for the medication to be fully eliminated from your body.

You should only take AZO for 2 days in a row, unless your healthcare provider gives you the OK to take it longer.

Stop using phenazopyridine and call your doctor at once if you have:

1. little or no urinating;
2. swelling, rapid weight gain;
3. confusion, loss of appetite, pain in your side or lower back;
4. fever, pale or yellowed skin, stomach pain, nausea and vomiting; or.
5. blue or purple appearance of your skin.

Azo really helps stop the pain and frequent urge to use the bathroom until you can get to your doctor for antibiotics. Occasionally I'll use Azo and cranberry juice to help stop a UTI that I feel is still in its early stages. Although I hate the taste, I do recommend Azo to anyone who's suffering with a UTI.

Phenazopyridine (applies to Azo-Standard) renal dysfunction The use of phenazopyridine is contraindicated in patients with impaired renal function. Phenazopyridine is primarily eliminated unchanged by the kidney and may accumulate to toxic levels during prolonged administration in such patients.

The main reason AZO is only recommended for such a short period of time is that it can mask the symptoms of a worsening infection. After about 2 days of taking an antibiotic, you should be getting enough symptom relief that you no longer need to take AZO.

Treatment of a urinary tract infection with Phenazopyridine HCl should not exceed 2 days because there is a lack of evidence that the combined administration of Phenazopyridine HCl and an antibacterial provides greater benefit than administration of the antibacterial alone after 2 days.

Adults and children 12 years and older: Take 2 tablets 3 times daily with or after meals as needed for up to two days. Take with a full glass of water. Do not use for more than 2 days (12 tablets) without consulting a doctor. Children under 12: Do not use without consulting a doctor.

Tell your doctor right away if you have any serious side effects, including: yellowing skin/eyes, dark urine, signs of kidney problems (such as change in the amount of urine, bloody urine), stomach/abdominal pain, vomiting, fever, chills, easy bruising/bleeding, unusual tiredness, shortness of breath, fast heartbeat, ...

For many people, AZO starts working within 20 minutes to 1 hour of taking it. Just keep in mind that it shouldn't be taken for more than 2 days in a row without a healthcare provider's OK. AZO doesn't cure a UTI, but it can make you feel more comfortable while you're waiting for an antibiotic to start working.