Other Uses

• Phenergan/promethazine can also be used for motion sickness, nausea, vomiting, and dizziness; as a sleep aid and as a pain controller.
  
  

Side Effects

• The side effects of Phenergan are extensive, so it's very important to be honest with your doctor about any medications you're taking and any reactions you've had to other medications.
  
  

List of Side Effects

• The side effects of Phenergan are extensive, so it's very important to be honest with your doctor about any medications you're taking and any reactions you've had to other medications. Some of the side effects of Phenergan include:
  Convulsions (seizures)
  Difficult or unusually fast breathing
  Fast heartbeat or irregular pulse
  High fever
  High or low (irregular) blood pressure
  Hives or welts
  
  

Other Side Effects

• Other side effects of Phenergan are:
  Increased sweating
  Loss of bladder control
  Severe muscle stiffness
  Unusually pale skin
  Unusual tiredness or weakness
  
  

Warning

• Phenergan is available only with a prescription. Talk to your doctor before taking Phenergan.