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# Walethmade Bromide
## Overview
Walethmade bromide is a quaternary ammonium compound with anticholinergic and antispasmodic properties. It acts peripherally by blocking muscarinic receptors, leading to relaxation of smooth muscle.
## Primary Indications
* Gastric and duodenal ulcers
* Irritable bowel syndrome (IBS)
* Biliary colic
* Renal colic
* Urinary incontinence
## Adult Dosing
* **Oral:** 10 mg to 20 mg three to four times daily. Maximum daily dose is 80 mg.
* **Parenteral (IM/IV):** 10 mg to 20 mg every four to six hours as needed. Maximum daily dose is 80 mg.
Dosing should be individualized based on patient response and tolerance.
## Pediatric Dosing
* **Oral:** Data on pediatric use is limited. If used, dosing is typically based on weight, starting at a lower dose and titrating. A common starting point is 5 mg twice daily, but this requires careful consideration and monitoring. **Confirm pediatric dosing with local protocols or specialized resources.**
## Dose Adjustments
* **Renal Impairment:** Use with caution. Dose reduction may be necessary based on severity of renal impairment and patient response.
* **Hepatic Impairment:** Use with caution. Dose reduction may be necessary based on severity of hepatic impairment and patient response.
## Contraindications
* Glaucoma (angle-closure)
* Myasthenia gravis
* Tachycardia
* Ileus or toxic megacolon
* Severe ulcerative colitis
* Prostatic hypertrophy with urinary retention
* Hypersensitivity to walethmade bromide or other anticholinergic agents
## Adverse Effects
* **Common:** Dry mouth, blurred vision, constipation, urinary retention, drowsiness, dizziness.
* **Serious:** Tachycardia, confusion, hallucinations, heat prostration (due to decreased sweating).
## Key Drug Interactions
* **Anticholinergics:** Additive anticholinergic effects, increasing risk of adverse effects.
* **MAO Inhibitors:** May potentiate anticholinergic effects.
* **Opioid Analgesics:** Increased risk of paralytic ileus and severe constipation.
* **Nitrates:** Decreased efficacy of nitrates due to reduced gastrointestinal motility and absorption.
## Monitoring
* Monitor for signs and symptoms of anticholinergic adverse effects (dry mouth, blurred vision, constipation, urinary retention, confusion).
* Assess relief of symptoms for which the drug was prescribed.
* Monitor heart rate for tachycardia.
## Clinical Pearls
* Administer oral doses 30 minutes before meals and at bedtime to reduce gastric acid secretion.
* Due to anticholinergic effects, caution patients about operating machinery or driving until they know how this medication affects them.
* Ensure adequate fluid intake and consider stool softeners to prevent constipation.
* Parenteral administration should be done slowly.
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**Disclaimer:** This information is intended for clinical pharmacists and healthcare professionals. It is essential to consult the most current prescribing information and local protocols for definitive guidance.
