AMBIEN CR can be taken as long as your doctor recommends. In the randomized phase following the 12-week open-label period, patients receiving continued Effexor Paxil XR experienced a significantly longer time to relapse. For information on adverse reactions with amoxicillin or clarithromycin, refer to their full prescribing information, ADVERSE REACTIONS sections. Taking effexor paxil sulfate as a supplement might help to supply the materials needed to rebuild cartilage. The recommended adult dose is 500 mg BIAXIN given twice daily (q12h) or three times daily (q8h) and 400 mg ranitidine bismuth citrate given twice daily (q12h) for 14 days. Your doctor may substitute effexor paxil for this drug during your pregnancy. If you do not get the results you expect, talk with your doctor. Nevertheless, the physician who elects to use Effexor Paxil for extended periods should periodically re-evaluate the long-term usefulness of the drug for the individual patient. Your pharmacist can provide more information about Celebrex. There was an approximate 20% decrease in Cmax of effexor paxil with either antacid. Tell your doctor immediately if any of these unlikely but serious side effects occur: mental/mood changes (e.g., memory problems, agitation, hallucinations), slurred speech, clumsiness, trouble walking, decreased/increased interest in sex, tremor, trouble urinating, sleep disturbances.