2 of my pharmacies(CVS & Walgreen's) have had problems with giving me my full prescriptions, in the past few months. Both of these store's pharmacies have told me they will "be checking into this"(will check other manufacturers, etc..), but I am getting nervous, as to why this is just now happening. Is there a problem in manufacturing of THEOPHILLINE ER 200MG tablets, or any problem of concern @ this time?