COFFEE

DON'T DRINK IT WITH: Osteoporosis drugs Alendronate, Fosamax
THE RISK: Sharply reduced bone-building effect

COFFEE AND TEA
DON'T DRINK THEM WITH: Antidepressants Isocarboxazid (Marplan), phenelzine (Nardil), and tranylcypromine (Parnate)
THE RISK: High blood pressure

GRAPE JUICE
DON'T DRINK IT WITH: Antidepressant Doxepin, oral solution Sinequan
THE RISK: Reduced control of depression

GRAPEFRUIT JUICE
DON'T DRINK IT WITH: Sedatives, including benzodiazepines, such as diazepam (Valium) and triazolam (Halcion)
THE RISKS: Confusion, dizziness, drowsiness, and other side effects
ALSO DON'T DRINK IT WITH: Cough suppressant Dextromethorphan (Benylin, Pertussin, Robitussin)
THE RISKS: Dizziness, drowsiness, and restlessness

ORANGE JUICE
DON'T DRINK IT WITH: antihistamines Fexofenadine, Allegra
THE RISK: Less allergy control

MILK
DON'T DRINK IT WITH: Laxatives Bisacodyl, Dulcolax
THE RISK: Gastrointestinal irritation

SOY MILK
DON'T DRINK IT WITH: Cancer drugs Tamoxifen, Nolvadex
THE RISK: Reduced tumor-fighting effect

Freeman stressed the importance of reading the labels on medications before taking them, pointing out that a lot of medications have warnings on what not to drink them with.

Many people take their meds with coffee or milk -- that's not a good idea. Take them with water.


http://www.cbsnews.com/stories/2008/02/06/earlyshow/health/main3797323.shtml