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Azo - Standard contains the active ingredient phenazopyridine, which is indicated in the treatment of urinary tract infections such as increased urination, burning urine, increased urge to urinate. Let's learn about the uses, dosage and notes when using Azo - Standard through the article below.
1. Uses of Azo - Standard
“What is Azo – Standard?”. Azo - Standard is prepared in the form of oral tablets containing the active ingredient Phenazopyridine. It is indicated for the relief of symptoms of burning, pain while urinating, frequent urination, painful urination and other discomforts caused by infection of the urinary tract mucosa, surgery, trauma, or catheterization procedures. endoscopy or catheterization.
Azo - Standard is only used to treat symptoms, so patients need to be treated quickly for the underlying cause and stop using the drug when the symptoms are under control.
2. Dosage of Azo - Standard
Azo - Standard is prepared in the form of oral tablets belonging to the group of prescription drugs. The drug is used as prescribed by the treating doctor, the patient should take the drug immediately after a meal with an appropriate amount of water to help absorb the drug better. Some recommendations on the dosage of Azo - Standard are as follows:
Adults: Treatment of symptoms of dysuria, irritation of the gastrointestinal mucosa: Take 100-200mg/time x 3 times/day after meals. The maximum duration of treatment is 2 days when combined with antibiotics; Children: Children from 6 to 12 years old take 12mg/kg/day after meals. Children over 12 years old take 100-200mg/time x 3 times/day after meals. The maximum duration of treatment is 2 days when combined with antibiotics; Patients with renal failure with a creatinine clearance of 50-80ml/min: Take each dose 8-16 hours apart.
3. Side effects of Azo - Standard
Azo - Standard can cause some of the following side effects:
Common side effects: Dizziness, headache, upset stomach; Uncommon: Methemoglobinemia, pruritus, acidosis, mild GI disturbances, skin pigmentation, anemia, liver and kidney toxicity; Rare: Shortness of breath, rash, swelling of lips, face, tongue or throat. Patients need to stop using Azo - Standard and immediately notify the treating doctor if they experience any unwanted effects.
4. Notes when using Azo - Standard
4.1. Contraindications Contraindicated to use phenazopyridine in the following cases:
Patients are allergic to phenazopyridine or to any component of the drug Azo - Standard; People with impaired renal function (creatinine clearance less than 50ml/min), uremia, glomerulonephritis or pyelonephritis during pregnancy, severe hepatitis, liver diseases. 4.2. Note when using Azo - Standard can make urine turn red-orange, this condition is not dangerous but can stain clothes (stain fabric).
Stop taking the drug in case the sclera (white of the eye) or the skin is yellowish, because this is a sign of drug accumulation due to kidney failure, the patient should be closely monitored during treatment due to the high risk than.
Inform the treating doctor if after 2 days of taking Azo - Standard there is no improvement in the disease symptoms.
Caution when using Azo - Standard in patients with hemolytic anemia, G6PD enzyme deficiency. The drug is not used to treat urinary tract infertility (phenazopyridine acts only as a pain reliever).
For pregnant women: Phenazopyridine is classified in pregnancy category B. Therefore, the drug should only be used in pregnant women when the benefits outweigh the risks.
For lactating women: There are no studies demonstrating the excretion of phenazopyridine into breast milk. Therefore, the drug should not be used in lactating women.
5. Azo-Standard drug interactions
Azo - Standard drug may cause some of the following interactions:
Renal toxicity will be increased when Phenazopyridine is used with the following drugs: Adefovir, Acyclovir, Aceclofenac, Acetylsalicylic Acid, Amphotericin B, Acemetacin, Bacitracin, Valproic Acid , Balsalazide...; The blood concentration of Phenazopyridine will be increased if the following drugs are used together: Aztreonam, Baclofen, Azelaic Acid, Zanamivir, Vortioxetine, Warfarin, Viloxazine, Venlafaxine, Vancomycin, Vareniclinn; Using Phenazopyridine together with Prilocaine increases the toxicity of Prilocaine, increases the risk of Methemoglobinemia; Zonisamide: Phenazopyridine increases the rate of excretion of Zonisamide, reduces serum concentrations and reduces the effect of the drug; The severity of Methemoglobinemia is increased when Phenazopyridine is used in combination with Zopiclone. Above is all important information about Azo - Standard. Knowing the usage information will help the treatment process to be more effective.
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