Monograph Details
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Urogenital System
> Urinary tract disorders
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PYRELLE HB |
| Manufacturer |
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Pharmelle |
| Legal Classification |
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Rx
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| Pharmacological Class |
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Urinary tract analgesic/antispasmodic. |
| Generic Name |
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Phenazopyridine HCl 150mg, hyoscyamine (as hydrobromide) 0.3mg, butabarbital 15mg; tabs. |
| Indications |
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Urinary tract discomfort. |
| Children |
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Not recommended. |
| Adults |
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1 tab 4 times daily (after meals and at bedtime); max 2 day's therapy with antibacterials. |
| Contraindications |
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Renal or hepatic insufficiency. Glaucoma. Bladder neck obstruction. Porphyria. |
| Precautions |
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Yellow discoloration of skin or sclera may indicate poor renal excretion. May stain contact lenses. Liver disease. Anemia. Discolors urine and fabric (red-orange). Elderly. Pregnancy (Cat.C). Nursing mothers. |
| Interactions |
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Interferes with colorimetric urine tests. |
| Adverse Reactions |
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Headache, rash, pruritus, GI upset, drowsiness, dizziness, dry mouth, blurred vision, other anticholinergic effects, methemoglobinemia, hemolytic anemia, renal and hepatic toxicity. |
| How Supplied |
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Tabs—30 |
| Additional Resources |
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• Related Prescribing Note |
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