How do I find out who makes my generic "adalat"??
Adalat CC is made by Bayer Pharmaceuticals
Generic Adalat CC is currently sold under three names, Nifedipine extended-release, Nifediac CC, and Afeditab CR tablets.
Generic Adalat CC is made by the following manufacturers:
What you are seeing is normal. All the medicine has been released, you are just seeing what is left of the "delivery system". From the manufacturer literature:
System Components and Performance
Nifedipine extended release tablet is similar in appearance to a conventional tablet. It consists, however, of a semipermeable membrane surrounding an osmotically active drug core. The core itself is divided into two layers: an "active" layer containing the drug, and a "push" layer containing pharmacologically inert (but osmotically active) components. As water from the gastrointestinal tract enters the tablet, pressure increases in the osmotic layer and "pushes" against the drug layer, releasing drug through the precision laser-drilled tablet orifice in the active layer.
Nifedipine extended release tablet is designed to provide nifedipine at an approximately constant rate over 24 hours. This controlled rate of drug delivery into the gastrointestinal lumen is independent of pH or gastrointestinal motility. Nifedipine extended release tablet depends for its action on the existence of an osmotic gradient between the contents of the bi-layer core and fluid in the gastrointestinal tract. Drug delivery is essentially constant as long as the osmotic gradient remains constant, and then gradually falls to zero. Upon swallowing, the biologically inert components of the tablet remain intact during gastrointestinal transit and are eliminated in the feces as an insoluble shell.
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