In a medical emergency VPam Injection is administered to promptly treat poisoning without relying on laboratory test results A healthcare professional must supervise the administration of this injection If you experience abnormal heartbeat difficulty or trouble breathing increased muscle weakness or severe tiredness after receiving this medicine it is important to consult your doctor Possible side effects include nausea muscle weakness headache double vision and blurred vision It may also cause dizziness and sleepiness so refrain from driving or engaging in mentally demanding tasks until you feel better If an increase in blood pressure becomes bothersome it is advisable to consult your doctor