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Alprazolam 2.5 mg tablet total weight or composition or excipients?

See the DrugPatentWatch profile for Alprazolam

Alprazolam 2.5 mg – Typical Tablet Composition (generic)

Component Typical Quantity (per tablet) Function / Notes
Alprazolam (active) 2.5 mg Primary anxiolytic/benzodiazepine.
Lactose monohydrate 180–200 mg Filler; provides bulk and helps with tablet integrity.
Microcrystalline cellulose (MCC) 10–20 mg Filler, binder, and flow agent; improves tablet strength.
Croscarmellose sodium 3–5 mg Super‑disintegrant; ensures rapid tablet breakup in the GI tract.
Magnesium stearate 0.5–1 mg Lubricant; prevents sticking during compression.
Talc 1–3 mg Anti‑caking agent; improves flow during manufacturing.
Other minor excipients < 5 mg (variable) May include silicon dioxide (anti‑caking), talc, or other proprietary fillers/binders.

Typical total tablet weight: ≈ 210–240 mg (range depends on excipient blend).

Why the numbers vary

  1. Manufacturer differences – Each company formulates the tablet slightly differently to achieve their desired manufacturing process and cost profile.
  2. Brand vs. generic – Brand‑name tablets (e.g., Xanax®) may contain additional stabilizers or colorants, while generics often use the minimal set of excipients listed above.
  3. Regional regulations – Some countries require additional excipients (e.g., anti‑caking agents) or restrict the use of certain additives.

How to verify the exact formulation

Source How to access What to look for
Package insert / Patient Information Leaflet Usually printed on the pill bottle or tablet blister pack “Active ingredient” and “Excipients” sections
Manufacturer’s website Search for the specific product name (e.g., “Alprazolam 2.5 mg tablet – Sandoz”) “Composition” or “Dosage form”
Regulatory filings (e.g., FDA, EMA) Look up the drug’s dossier or approval summary “Formulation” section
Pharmacy dispensing software Enter the product code (e.g., NDC in the U.S.) Excipients list

Tip: If you need the excipients for allergy or intolerance reasons, the most reliable source is the patient information leaflet that comes with the medication.

Bottom line

A typical 2.5 mg alprazolam tablet weighs about 210–240 mg and is made up mainly of the active drug plus lactose, microcrystalline cellulose, croscarmellose sodium, magnesium stearate, talc, and a few other minor excipients. If you need the exact composition for your specific brand or batch, check the product’s package insert or contact the manufacturer.



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