Clinical Pharmacology Details


HYOSCINE BUTYL BROMIDE


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Indications & Dose:

Gastric and duodenal ulcer, hiccup, spastic disorders of G.I.T. and hypermotility, biliary dyskinesia, colonic motility disorder, oesophageal spasm, dumping syndrome.



Adults: By mouth  20mg 4 times daily.


Syp:1tsf three to four times daily



Adults/Children: Inj  6-12 year 10 mg 3 times daily. By i.m or i.v : (acute spasm) 20 mg. repeated after 30 minutes if necessary or 1 amp i.v (slowly).



Children by mouth: Child 1 month -2 years 300-500mcg/kg (max; 5mg) 3-4 times daily. 2-5 years 5mg 3-4 times daily, 5-12 years 10mg 3-4 times daily, 12-18 years 10-20mg 3-4 times daily


Administration: for intravenous injection , may be diluted with glucose 5% or sodium chloride 9%; give over at least 1 minute


 

Contraindications:

Prostate hypertrophy with urinary retention, megacolon, G.I. mechanical stenosis, tachycardia.

Side Effects:

Anticholinergic effect. i.v. administration may lead to increased pulse rate, vision disturbances.


DRUG INTERACTIONS: Mantadine: Increase in anticholinergic side effects.


Atenolol, Digoxin: Efficacy of atenolol and digoxin enhanced.


Phenothiazines: Decreases antipsychotic activity, and increases anticholinergic activity.


TCAs: Increased anticholinergic side  effects (Dry mouth, constipation, urinary retention).

Cautions:

Elderly patient, urinary-retention, prostatic enlargement, tachycardia,  closed angle glaucoma.

Precautions:

Interaction:

Warnings:

Adverse Effects:

Lactations:

Special Precautions:

Driving or operating machinery. 


Pregnancy: Safety not established.


Breast-feeding: Use with caution.


Old age: May be used in reduced dose.


 

Counselling:

Side Effects Or Adverse Reactions:

Patient And Carer Advice: