Eziride Chewable Tablet

Introduction

Hyoscine hydrobromide, also known as scopolamine, is a tropane alkaloid used primarily as an anticholinergic and antiemetic agent. It is used to prevent motion sickness, nausea, and vomiting, as well as to treat various conditions related to excessive secretions and spasms. It works by blocking the effects of acetylcholine in the body.

Uses

Hyoscine hydrobromide is used for several indications, including:

Prevention and treatment of motion sickness.
Management of postoperative nausea and vomiting.
Treatment of gastrointestinal spasms and excessive salivation.
Preoperative use to reduce secretions and as a pre-anesthetic medication.

Brand Name	Eziride
Type	Chewable Tablet
Weight	150 mcg
Generic	Hyoscine Hydrobromide
Manufacturer	Opsonin Pharma Ltd.
Available in	English বাংলা

Mechanism of Action

Hyoscine hydrobromide works by antagonizing the action of acetylcholine at muscarinic receptors in the central nervous system and peripheral tissues. This blockade reduces the activity of the parasympathetic nervous system, leading to decreased gastrointestinal motility, reduced salivation, and prevention of nausea and vomiting.

How Long Does It Take to Work?

The onset of action for Hyoscine hydrobromide varies depending on the route of administration. For oral or transdermal forms, it typically starts working within 30 minutes to 1 hour. The peak effects are usually observed within a few hours after administration.

Absorption

Hyoscine hydrobromide is well absorbed from the gastrointestinal tract when taken orally. The transdermal patch provides a continuous release of the drug over several days, leading to a steady level of medication in the bloodstream.

Route of Elimination

Hyoscine hydrobromide is metabolized in the liver and then excreted mainly via the kidneys. The drug undergoes hepatic metabolism and is eliminated from the body through urine.

Dosage

Adults and children over 13 years: 2 tablets (Maximum 4 tablets in 24 hours).
Children age 7-12 years: 1-2 tablets (Maximum 2 tablets in 24 hours).
Children age 4-7 years: 1 tablet (Maximum 2 tablets in 24 hours).
Children age 3-4 years: half a tablet (Maximum 1 tablet in 24 hours).
Children under 3 years: Not recommended under 3 years or as directed by the physician.

The dosage of Hyoscine hydrobromide varies based on the condition being treated and the formulation used:

For motion sickness: 0.3 to 0.6 mg orally, taken 30 minutes before travel, or a transdermal patch applied behind the ear 4 to 6 hours before travel.
For postoperative nausea and vomiting: 0.3 to 0.6 mg intramuscularly or intravenously before surgery.
For gastrointestinal spasms: 0.3 to 0.6 mg orally, 3 to 4 times daily as needed.

Always follow the specific dosing instructions provided by a healthcare provider.

Administration

Hyoscine hydrobromide can be administered orally in the form of tablets or taken as a transdermal patch. For motion sickness, the transdermal patch is applied to the skin behind the ear. For acute situations, it may be administered intramuscularly or intravenously. Follow the administration guidelines provided by a healthcare provider for optimal results.

Side Effects

Common side effects of Hyoscine hydrobromide include dry mouth, blurred vision, drowsiness, dizziness, and constipation. Some individuals may experience confusion or hallucinations, especially with higher doses or in sensitive populations such as the elderly.

Toxicity

Overdose or excessive use of Hyoscine hydrobromide can lead to symptoms such as severe dry mouth, dilated pupils, flushed skin, fever, rapid heartbeat, confusion, hallucinations, and delirium. In severe cases, anticholinergic toxicity can occur. Treatment involves supportive care, discontinuation of the drug, and, if necessary, administration of antidotes such as physostigmine.

Precautions

Use Hyoscine hydrobromide with caution in patients with glaucoma, urinary retention, gastrointestinal obstruction, or myasthenia gravis. It is also important to monitor for potential anticholinergic effects, particularly in elderly patients or those with pre-existing conditions that may be exacerbated by the drug.

Interaction

Hyoscine hydrobromide may interact with other medications that have anticholinergic properties, such as antihistamines and tricyclic antidepressants, potentially leading to increased anticholinergic effects. Inform healthcare providers of all other medications being taken to manage interactions effectively.

Disease Interaction

Hyoscine hydrobromide should be used cautiously in patients with conditions such as glaucoma, benign prostatic hyperplasia, or gastrointestinal disorders. The drug's anticholinergic effects can exacerbate symptoms of these conditions.

Drug Interaction

Interactions with other anticholinergic drugs can enhance the effects of Hyoscine hydrobromide, increasing the risk of adverse effects. Concurrent use with other medications that can cause sedation or drowsiness may also potentiate these effects. Adjustments in therapy may be necessary to avoid potential interactions.

Food Interactions

There are no significant food interactions with Hyoscine hydrobromide. However, taking the medication with food may delay the onset of action. For the best results, follow the specific instructions provided by a healthcare provider regarding food intake and medication timing.

Pregnancy Use

Hyoscine hydrobromide is classified as Category C for pregnancy, meaning that risk to the fetus cannot be ruled out. It should be used during pregnancy only if the potential benefits justify the risks. Consult with a healthcare provider to determine the appropriateness of this medication during pregnancy.

Lactation Use

The safety of Hyoscine hydrobromide during lactation is not well established. It is advisable to use caution and weigh the benefits and risks of treatment while breastfeeding. If necessary, alternative medications or discontinuation of breastfeeding may be considered.

Acute Overdose

Acute overdose of Hyoscine hydrobromide may result in severe anticholinergic symptoms. Treatment involves discontinuing the medication, providing supportive care, and administering antidotes if necessary. Monitoring and management of symptoms are crucial for patient safety.

Contraindication

Hyoscine hydrobromide is contraindicated in patients with known hypersensitivity to the drug or its components. It should also be avoided in individuals with narrow-angle glaucoma, myasthenia gravis, or severe gastrointestinal obstruction.

Use Direction

Use Hyoscine hydrobromide as prescribed by a healthcare provider. Adhere to the recommended dosage and administration instructions. Follow guidelines for timing, especially with the transdermal patch, to maximize efficacy and minimize side effects.

Storage Conditions

Store Hyoscine hydrobromide at room temperature, away from moisture and direct sunlight. Keep the medication in its original packaging and out of reach of children. Do not use the medication past its expiration date, and follow any additional storage instructions provided by the manufacturer or healthcare provider.

Volume of Distribution

The volume of distribution for Hyoscine hydrobromide is approximately 2 to 4 L/kg. This reflects the drug's distribution throughout the body’s tissues and fluids, contributing to its effectiveness in managing symptoms associated with excessive mucus and nausea.

Half Life

The elimination half-life of Hyoscine hydrobromide is approximately 2 to 4 hours. The drug’s effects are relatively short-lived, which is why dosing intervals may need to be adjusted based on the specific formulation and clinical needs.

Clearance

Hyoscine hydrobromide is primarily cleared from the body through hepatic metabolism and renal excretion. The clearance rate can be influenced by liver and kidney function, which may necessitate adjustments in dosing for patients with impaired organ function.

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