Topamax and Phenergan Interactions
This may be your problem...looks like the two together could be causing fluid retention. I take Topamax too, to prevent migraines, and it also helped me with nerve pain...
You searched for interactions between:
topamax (topiramate)
Phenergan (promethazine)
Interaction(s) found:
promethazine and topiramate (Major Drug-Drug)
MONITOR CLOSELY: Certain drugs such as carbonic anhydrase inhibitors and drugs with anticholinergic activity (e.g., antihistamines, antispasmodics, neuroleptics, phenothiazines, skeletal muscle relaxants, tricyclic antidepressants, disopyramide) may potentiate the risk of oligohidrosis and hyperthermia associated occasionally with the use of topiramate, particularly in pediatric patients. These agents may alter electrolyte and fluid balance (carbonic anhydrase inhibition), inhibit peripheral sweating mechanisms (anticholinergic effect), and/or interfere with core body temperature regulation in the hypothalamus (neuroleptics and phenothiazines), resulting in the inability to adjust to temperature changes, especially in hot weather. Also, agents with anticholinergic activity frequently cause drowsiness and other central nervous system-depressant effects, which may be additively or synergistically increased in patients also treated with topiramate.
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36 year old mom of 7 in SC.
MRI 4/2008 shows bulging disc with annular tear @ 4/L5 and and complete herniation at L5/S1.
9/11/08 Laminectomy , successful to a point...relieved nerve pain, but after 4 months was still having severe disc pain.
Treatments tried: epidural shots, oral pain killers, NSAID's, TENS massage, chiropractic care, deep tissue massage. Oh, and plenty of our homemade wine! 
May 26 2009, 2 level ADR, L4-S1, Dr. Bertagnoli, Straubing, Germany
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