If you experience any symptoms associated with allergies such as difficulty breathing, hives, swollen tongue etc., stop using the medication and seek urgent medical help.
Common side effects of taking Vigora include diarrhea, dizziness, hot flushes, heartburn, headaches, stuffy nose or digestion problems. Consult your doctor if any of them persist or become bothersome.
Contact a medical specialist immediately if you experience any of the following: chest pain, loss of consciousness, irregular or increased heartbeat, memory problems, numbness of limbs, painful or prolonged erection, weakness of one side of the body, ringing in the ears, seizures, major dizziness, major or continuous vision changes, loss of hearing.
Note that this list does not include all possible side effects. Other side effects might occur depending on individual health conditions.