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Related Concept Videos

Drugs Affecting GI Tract Motility: Bulk-Forming and Stimulant Laxatives01:22

Drugs Affecting GI Tract Motility: Bulk-Forming and Stimulant Laxatives

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Laxatives enhance bowel movements and alleviate constipation. They augment the stool's bulk, stimulate intestinal muscle contractions, draw water into the intestines, or soften the stool. There are five key types of laxatives: bulk laxatives, stimulant laxatives, osmotic laxatives, stool softeners, and lubricant laxatives.
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One-Compartment Open Model for IV Bolus Administration: General Considerations01:19

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The one-compartment model is a pharmacokinetic tool that models the body as a single, uniform compartment, facilitating the understanding of drug distribution and elimination. This model is particularly beneficial for intravenous (IV) bolus administration, where the drug rapidly circulates throughout the body.
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Factors Influencing Drug Absorption: Pharmaceutical Parameters01:28

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Solid dosage forms such as tablets and capsules undergo rigorous manufacturing processes to ensure stability and effectiveness. Their dissolution and absorption properties are influenced significantly by the choice of excipients (inactive ingredients that serve various roles in the formulation), and the methodology applied during production. The manufacturing parameters, such as compression force and granulation techniques, significantly affect dissolution rates. Elevated compression forces...
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Drugs Affecting GI Tract Motility: Other Laxatives01:20

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Laxatives are primarily used to alleviate constipation, a common gastrointestinal disorder characterized by infrequent bowel movements and difficulty passing stools. They work by various mechanisms to increase the volume or frequency of bowel movements. The primary modes of action of laxatives include increasing stool bulk, softening the stool, stimulating intestinal motility, and osmotically drawing water into the intestines.
Osmotic or saline laxatives, like magnesium hydroxide or milk of...
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Pharmacological therapies for IBS-C are designed to alleviate abdominal discomfort and enhance bowel function. In patients with IBS-C, fiber supplements may help soften stools and decrease straining, but may also lead to increased gas production and bloating. Osmotic laxatives like milk of magnesia are frequently used to soften stools and increase stool frequency in IBS-C patients. In addition, two drugs approved for use in severe IBS-C adult cases are linaclotide (Linzess) and lubiprostone...
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Two-Compartment Open Model: IV Bolus Administration01:18

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The two-compartment model for intravenous (IV) bolus administration illustrates drug distribution in the body, subdividing it into central and peripheral compartments. This model operates on the concept of two-compartment kinetics. The drug's plasma concentration shows a bi-exponential decline following IV bolus administration, signaling the presence of two disposition processes: distribution and elimination.
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Updated: Sep 5, 2025

A Novel Approach for the Administration of Medications and Fluids in Emergency Scenarios and Settings
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Basics: Hollow-type Suppositories.

Loyd V Allen1

  • 1International Journal of Pharmaceutical Compounding. lallen@ijpc.com.

International Journal of Pharmaceutical Compounding
|July 12, 2022
PubMed
Summary
This summary is machine-generated.

Hollow-type suppositories offer a versatile rectal drug delivery system. This novel dosage form enhances drug bioavailability and modifies action profiles, providing new options for pharmacists and patients.

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Area of Science:

  • Pharmaceutical Sciences
  • Drug Delivery Systems

Background:

  • Suppositories are an alternative rectal drug administration route when oral delivery is not feasible.
  • Despite limited popularity, suppositories remain relevant in medicine.
  • Recent research has focused on advancing suppository technology.

Purpose of the Study:

  • To review the characteristics and applications of hollow-type suppositories.
  • To explore the potential of hollow-type suppositories in research and clinical settings.

Main Methods:

  • Literature review of hollow-type suppositories.
  • Analysis of their potential applications in drug delivery.

Main Results:

  • Hollow-type suppositories are a novel dosage form with diverse applications.
  • They can enhance drug bioavailability.
  • They allow for modulation of drug onset and duration of action.

Conclusions:

  • Hollow-type suppositories represent a flexible dosage form with significant potential.
  • This innovation may offer pharmacists expanded options for patient-specific drug formulations.
  • Further research and clinical evaluation are warranted to fully realize their therapeutic benefits.