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Formulation and Manufacturing Process: Physical Attributes of Generic Tablets and Capsules01:18

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Bioequivalence in generic drugs, such as tablets and capsules, refers to their pharmaceutical equivalence to the brand-name counterparts. However, for therapeutic equivalence, manufacturers must also consider physical attributes like size, shape, and weight (FDA Guidance for Industry, December 2003). Discrepancies in these aspects could impact patient compliance and cause medication errors. For instance, swallowing difficulties, often experienced with larger tablets or capsules, can lead to...
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Oral Drug Delivery Systems: Introduction01:23

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Oral drug delivery is the most common route of administration due to its convenience, cost-effectiveness, and high patient compliance. It enables precise formulation to ensure proper drug dosage and bioavailability. The development of oral dosage forms considers drug properties such as solubility, stability, and absorption to optimize therapeutic efficacy.Tablets, capsules, liquids, and chewable formulations enhance drug stability, mask undesirable tastes, and improve patient experience.
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The enteral drug administration involves three primary routes: oral, sublingual, and buccal. Oral ingestion is the most prevalent, safe, economical, and convenient method for drug administration. However, it has certain drawbacks, including limited absorption due to the drug's low water solubility or poor membrane permeability, possible emesis from GI mucosa irritation, destruction of drugs by digestive enzymes or low gastric pH, and irregular absorption along with food or other drugs.
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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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Medications can be administered through the enteral route using liquids, capsules, or tablets.
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Conventional oral drug products, termed immediate-release (IR) formulations, are engineered to promptly release their active pharmaceutical ingredient (API) upon ingestion, typically in tablets or capsules. This rapid release often results in swift drug absorption and consequent pharmacodynamic effects, although the timing and intensity can vary depending on the drug's properties. Prodrugs within these formulations require metabolic conversion to activate their pharmacodynamic effects,...
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Related Experiment Video

Updated: Apr 21, 2026

Adapting Human Videofluoroscopic Swallow Study Methods to Detect and Characterize Dysphagia in Murine Disease Models
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Two techniques to make swallowing pills easier.

Julia T Schiele1, Hendrik Schneider2, Renate Quinzler1

  • 1Department of Clinical Pharmacology and Pharmacoepidemiology, University of Heidelberg, Heidelberg, Germany.

Annals of Family Medicine
|November 12, 2014
PubMed
Summary

Swallowing pills can be difficult, but two techniques significantly ease the process. The pop-bottle method helps with tablets, and the lean-forward technique aids capsules, benefiting many individuals.

Keywords:
capsulesdeglutition disorderslean-forward techniquepop-bottle methodtablets

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Area of Science:

  • Pharmacology
  • Patient Adherence
  • Swallowing Mechanics

Background:

  • Difficulty swallowing pills (dysphagia) is a common issue affecting medication adherence.
  • Existing methods to improve oral drug administration are limited.
  • Novel techniques may enhance patient compliance and therapeutic outcomes.

Purpose of the Study:

  • To evaluate the efficacy of the pop-bottle method for tablet swallowing.
  • To assess the effectiveness of the lean-forward technique for capsule swallowing.
  • To determine if these techniques benefit individuals with and without prior swallowing difficulties.

Main Methods:

  • A cross-sectional study involving 151 adults from the general German population.
  • Participants rated the swallowing ease of 16 placebo dosage forms on an 8-point Likert scale.
  • The two most difficult dosage forms were re-swallowed using the pop-bottle (tablets) or lean-forward (capsules) technique.

Main Results:

  • The pop-bottle method significantly improved tablet swallowing for 59.7% of participants.
  • The lean-forward technique enhanced capsule swallowing for 88.6% of participants.
  • Both techniques proved effective for individuals with and without self-reported swallowing issues.

Conclusions:

  • The pop-bottle and lean-forward techniques are effective in improving the swallowing of tablets and capsules, respectively.
  • These simple methods can be recommended to a broad patient population to enhance medication intake.
  • Widespread adoption of these techniques could improve patient adherence and treatment success.