Three common medications that clients take that would prevent the therapist from using any heat therapy:

1. Antinausea medicines like Dramamine and Antivert;

2. Muscle relaxants like Skelaxin and Zanaflex; and

3. Central nervous system stimulants like Ritalin and Dexedrine (found in cold medicines).  There are more; can you come up with others?  (Find out why in The Essential Massage Companion).