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Powder containment hood, pharmaceutical analytical scale, glass mortar and pestle, graduated cylinder
Weigh out powder and add to a mortar.
Triturate contents to a fine powder.
Levigate powder with a small amount of vehicle to form a paste.
Add vehicle in increasing amounts while mixing thoroughly.
Transfer contents of the mortar to a graduated cylinder.
Rinse the mortar and pestle with vehicle and pour into graduated cylinder.
Add vehicle to the graduated cylinder to achieve the total volume indicated above.
Transfer contents of the graduated cylinder into an appropriately sized amber bottle.
Shake well to mix.
Special Instructions — *Mix 60 mL of Ora-Plus with 60 mL of Ora-Sweet. Use mixture as vehicle or use Ora-Blend.
Alternatives — May substitute vehicle with 60 mL of Ora-Plus mixed with 60 mL of Ora-Sweet SF or Ora-Blend SF.
Quality-Control Procedures — Visually inspect for physical appearance of formulation and container closure integrity (no leakage, cracks in container, or improper seals).
Labeling Requirements — Extemporaneously compounded preparation. For oral use only. Store at room temperature. Shake well before use.
Storage Conditions/Stability — Store at room temperature. Stable for 90 days.
Study Container Type — Amber plastic bottle with child-resistant cap
Referenced Manufacturers — Theophylline anhydrous powder (Spectrum Chemical Manufacturing Corp); Ora-Plus, Ora-Sweet, Ora-Sweet SF (Paddock Laboratories, LLC).
Stability-Indicating Study — Yes
Commercially available — Use extemporaneously prepared formulation only when commercial product is unavailable.
Johnson CE, VanDeKoppel S, Myers E. Stability of anhydrous theophylline in extemporaneously prepared alcohol-free oral suspensions. Am J Health Syst Pharm. 2005;62(23):2518–2520.
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