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Phenergan

Overdose Information

People who take too much Phenergan may experience effects such as:
 
  • Extreme drowsiness
  • Low blood pressure
  • Decreased breathing
  • Unconsciousness
  • Overactive reflexes and muscle tone
  • Sudden death.
     
If you happen to overdose on this medicine, seek immediate medical attention.
 
(Click Phenergan Overdose for more information.)
 

What Should I Do If I Miss a Dose of Phenergan?

If you forget to take a dose of Phenergan, take the missed dose as soon as possible. However, if it is almost time for your next dose, simply skip the one you missed and continue with your regular schedule. Do not take a double dose.
 

How Should This Medicine Be Stored?

You should store Phenergan tablets and syrup at room temperature, away from light and moisture. The suppositories should be kept in the refrigerator. Keep this and all other medications out of the reach of children and pets.
 

Available Strengths

The medication is available in the following strengths and forms:
 
  • Promethazine 12.5 mg tablets and rectal suppositories
  • Promethazine 25 mg tablets and rectal suppositories
  • Promethazine 50 mg tablets and rectal suppositories
  • Promethazine 6.25 mg per 5 mL syrup
  • Phenergan 25 mg per mL injection vials and ampuls (1 mL)
  • Phenergan 50 mg per mL injection vials and ampuls (1 mL).
     

Generic Availability

This medication is available in generic form. In fact, brand-name Phenergan tablets, syrup, and suppositories are no longer available.
 
(Click Generic Phenergan for more information.)
 
8 Frequent Pain Syndromes

Phenergan Drug Information

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