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Promethazine Injection (PROMETHAZINE - INJECTION)

This medicine is used for the following purposes:

  • allergic reaction
  • nausea and vomiting
  • pain
  • relaxation or sleep

Brand Name(s): Phenergan

Generic Name: Promethazine

Instructions

Check the medicine before each use. If the liquid medicine has any particles in it, appears discolored, or if the vial appears damaged, do not use it.

Store this medicine at room temperature - below 77 degrees F (25 degrees C).

Protect medicine from light.

Never use any medicine that has expired.

To relieve dry mouth, chew gum, suck on hard candy/ice chips, drink extra water, or use a saliva substitute.

This medicine can make you sensitive to the sun. Use sunscreen or protective clothing when in sun.

Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.

Tell your doctor if symptoms do not get better or if they get worse.

Talk to your doctor before taking other medicines, including aspirins and ibuprofen containing products. Speak to your doctor about which medicines are safe to use while you are on this medicine.

Cautions

Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.

Some patients taking this medicine have experienced serious side effects. Please speak with your doctor to understand the risks and benefits associated with this medicine.

Do not use the medication any more than instructed.

This medicine may cause dizziness or fainting, especially after exercising or in hot weather. Be very careful when standing or sitting up quickly.

Your ability to stay alert or to react quickly may be impaired by this medicine. Do not drive or operate machinery until you know how this medicine will affect you.

Do not drink beverages with alcohol while on this medicine.

Avoid becoming overheated during exercise or other activities. Try to stay cool in hot weather.

Call the doctor if there are any signs of confusion or unusual changes in behavior.

Tell the doctor or pharmacist if you are pregnant, planning to be pregnant, or breastfeeding.

Ask your pharmacist how to properly throw away used needles or syringes.

Do not share this medicine with anyone who has not been prescribed this medicine.

Side Effects

The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.

  • constipation
  • dizziness or drowsiness
  • pain near injection site
  • blurring or changes of vision

Call your doctor or get medical help right away if you notice any of these more serious side effects:

  • agitated feeling or trouble sleeping
  • loss of balance
  • increased risk of bleeding
  • shallow, irregular breathing
  • unusual bruising or discoloration on skin
  • changes in memory, mood, or thinking
  • confusion
  • fainting
  • fever or chills
  • hallucinations (unusual thoughts, seeing or hearing things that are not real)
  • fast, irregular, or slow heartbeat
  • signs of liver damage (such as yellowing of eye or skin, dark urine, or unusual tiredness)
  • uncontrollable movement of face, tongue, arms or legs
  • muscle aches, spasms or abnormal movements
  • muscle trembling or weakness
  • restlessness
  • seizures
  • shakiness
  • sweating
  • difficulty or discomfort urinating
  • urinating less often

A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.

Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.