Codeine (Injection)

Introduction

Codeine (KOE-deen)

Treats mild to moderate pain.

Brand Name(s)

There may be other brand names for this medicine.

When This Medicine Should Not Be Used

You should not use this medicine if you have had an allergic reaction to codeine.

How to Use This Medicine

Injectable

  • Your doctor will prescribe your exact dose and tell you how often it should be given. This medicine is given as a shot into one of your muscles or as a shot under your skin.
  • You may be taught how to give your medicine at home. Make sure you understand all instructions before giving yourself an injection. Do not use more medicine or use it more often than your doctor tells you to.
  • Use a new needle and syringe each time you inject your medicine.
  • This medicine is not for long-term use.

If a dose is missed:

  • Call your doctor or pharmacist for instructions.

How to Store and Dispose of This Medicine

  • If you store this medicine at home, keep it at room temperature, away from heat and direct light.
  • Throw away used needles in a hard, closed container that the needles cannot poke through. Keep this container away from children and pets.
  • Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any leftover medicine, containers, and other supplies. You will also need to throw away old medicine after the expiration date has passed.
  • Keep all medicine away from children and never share your medicine with anyone.

Drugs and Foods to Avoid

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

  • Tell your doctor if you are using any medicines that make you sleepy. These include sleeping pills, cold and allergy medicine, narcotic pain relievers, and sedatives.
  • Do not drink alcohol while you are using this medicine.

Warnings While Using This Medicine

  • Make sure your doctor knows if you are pregnant or breastfeeding.
  • Make sure you tell your doctor if you have liver disease or kidney disease. Tell your doctor if you have thyroid disease or Addison's disease.
  • Tell your doctor if you have any lung disease, including asthma. Make sure you tell your doctor if you have ever had a head injury or if you now have severe stomach pains.
  • This medicine may make you dizzy or drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.
  • This medicine may be habit-forming. If you feel that the medicine is not working as well, do not use more than your prescribed dose. Call your doctor for instructions.
  • Do not stop using this medicine suddenly without asking your doctor. You may need to slowly decrease your dose before stopping it completely.
  • If your symptoms do not improve or if they get worse, call your doctor.
  • When a mother is breastfeeding and takes codeine, there is a very small chance that this medicine could cause serious side effects in the baby. This is because codeine works differently in a few women, so their breast milk contains too much medicine. If you take codeine, be alert for these signs of overdose in your nursing baby: sleeping more than usual, trouble breastfeeding, trouble breathing, or being limp and weak. Call the baby's doctor right away if you think there is a problem. If you cannot talk to the doctor, take the baby to the emergency room or call 911.

Possible Side Effects While Using This Medicine

Call your doctor right away if you notice any of these side effects:

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
  • Blurred vision.
  • Decrease in how much or how often you urinate.
  • Fast or uneven heart beat.
  • Light-headedness or fainting.
  • Seizures.
  • Shallow or slow breathing.
  • Weakness or feeling very tired.

If you notice these less serious side effects, talk with your doctor:

  • Being worried, anxious, or having mood changes.
  • Confusion or trouble thinking clearly.
  • Dizziness or drowsiness.
  • Itching, rash or redness on your body.
  • Mild nausea, vomiting, or constipation.
  • Sweating.
  • Warmth or redness in your face, neck, arms or upper chest.

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088

Version Info

  • Last Reviewed on 06/12/2013

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This page was last updated: June 18, 2013

         
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