Phentolamine or Vasomax is an oral drug that facilitates an erection, thus may be useful in impotence.
Phentolamine or Vasomax is a vasodilator which has been used via penile injection for impotence. Taken orally prior to anticipated sexual activity it facilitates erection, however taken orally it is less effective than by injection.
Phentolamine or Vasomax has been associated with nasal congestion, insomnia, and indigestion. As research continues, be more complete side effect profile will emerge.
Phentolamine or Vasomax taken orally is less effective than by injection, thus it may be more suitable for initial therapy and/or mild cases of impotence - it may not be effective for all cases.
Phentolamine or Vasomax has not been reported to interact with other drugs, however, it use is new and it is used on an infrequent basis, thus more time is required to determine drug interactions.
Br J Urol 1996;78:257
Ann Intern Med 1988;109:162
The relevant product monographs must be regarded as the appropriate sources of prescribing information.