Phenazopyridine Side Effects

Brand Names: Pyridium

Please note - some side effects for Phenazopyridine may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA at http://www.fda.gov/medwatch/ or 1-800-FDA-1088 (1-800-332-1088).

Side Effects of Phenazopyridine - for the Consumer

Phenazopyridine

All medicines may cause side effects, but many people have no, or minor, side effects. No COMMON side effects have been reported with Phenazopyridine . Seek medical attention right away if any of these SEVERE side effects occur when using Phenazopyridine:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); blue or purple skin color; decreased urination; loss of appetite; unusual fatigue; vomiting; weight loss; yellowing of the skin or eyes.

Phenazopyridine/Butabarbital/Hyoscyamine

All medicines may cause side effects, but many people have no, or minor side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Phenazopyridine/Butabarbital/Hyoscyamine:

Bloated feeling; blurred vision; clumsiness; constipation; decreased sweating; dizziness; drowsiness; dry mouth; enlarged pupils; excessive daytime drowsiness; excitability; headache; lightheadedness; nausea; trouble sleeping; weakness.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); agitation; blue or purple skin color; confusion; decreased urination; disorientation; fainting; fast or irregular heartbeat; hallucinations; loss of consciousness; loss of coordination; mental or mood changes (eg, agitation, unusual behavior changes); shortness of breath; unusual tiredness or weakness; vision changes (eg, trouble focusing eyes); yellowing of the skin or eyes.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch .

Side Effects by Body System

Nervous system

Nervous system side effects have included headache.

Dermatologic

Dermatologic side effects have included rash and pruritus.

Gastrointestinal

Gastrointestinal side effects have included occasional upset.

Genitourinary

Genitourinary side effects have included an orange to red discoloration of the urine.

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