Suppositories

Suppositories is a solid dosage form, which is generally consists of an active ingredient loaded into an inert base and has a certain shape for cavity administration. Suppositories is a solid at room temperature, but when it is inserted into the cavity of human body, it will dissolve or melt and exert local or systemic effects. Suppositories can be divided into different types according to the different cavity used, such as anal suppository, vaginal suppository, urethral suppository, laryngeal suppository, ear suppository and nose suppository. At present, rectal suppository and vaginal suppository are commonly used.

SuppositoriesFig.1 Glycerin suppositories (Wikipedia).

The team of CD Formulation is leading experts in all aspects of pharmaceutical formulation development and dosage form optimization, we can accord the characteristics of the API and the development goals of the customers to design the formulation of suppositories. CD Formulation can provide you with one-stop services to meet your needs of suppositories.

Why Use Suppositories?

Compared with oral dosage form, suppositories have a higher bioavailability and faster onset. Due to its unique advantages, suppositories as an alternate form of oral medication in the following situations:

  • Vomiting and cannot keep pills or liquids down
  • Unable to swallow medication
  • Having seizures and cannot take medicines by mouth
  • Break down too quickly in the gut
  • Tastes too bad to take by mouth
  • Destroyed in the gastrointestinal tract

Bases Used in The Development of Various Suppositories

  • Cocoa butter or a similar substitute
  • Hydrogels
  • Polyethylene glycol
  • Glycerinated gelatin

The Process of Developing Suppositories

The preparation of suppositories can be divided into three types: fusion moulding, compression moulding and hands moulding. Genelly, hands moulding is used only in the pharmacy, and fusion methods can be used for all types of suppositories. This method first melts the suppository matrix, then disperses or dissolves the drug in the melted matrix, then pour the mixture into the suppository mold, and after the mixture coagulates, the suppository is removed from the mold.

Suppositories

How to Contact Us?

If you have a requirement about suppositories services, please contact us by phone or email, our colleagues will reply to you within three working days.

References

  1. Allen L V. Suppositories as Drug Delivery Systems[J]. Journal of Pharmaceutical Care in Pain & Symptom Control, 1997, 5(2): 17-26.
  2. Ali M. A Review on Bi-layered Suppositories[J]. European Journal of Scientific Research, 2017, 146: 45-54.
  3. Gross H M, Becker C H. A Study of Suppository Bases. I. Review of Literature[J]. Journal of the American Pharmaceutical Association, 1953, 42(2): 90-95.
  4. Baviskara P, Bedsea A, Sadiqueb S, et al. Drug Delivery on Rectal Absorption: Suppositories[J]. International Journal of Pharmaceutical Sciences Review and Research, 2013, 21: 70-76.

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