Read the side effects of Phentolamine Mesylate as described in the medical literature. In case of any doubt consult your doctor or pharmacist.
Sweating, feelings of apprehension, orthostatic hypotension (sudden decline in the blood pressure when a person stands up suddenly after long hours of rest), flushing, weakness, dizziness, facial swelling, jaw and oral pain.
Fast heart rate, abnormal heart rhythm, chest pain.
Nausea, vomiting, diarrhea.
Heart attack, confusion, severe or sudden headache, sudden loss of coordination, sudden slurring of speech.
Other Precautions :
*Avoid using contaminated solution of this medication.