CODEINE PHOSPHATE - INJECTION side effects, medical uses, and drug interactions.

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codeine phosphate - injection

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GENERIC NAME: CODEINE PHOSPHATE - INJECTION (KO-deen FOSS-fate)

USES: This medication is used to treat mild to moderately severe pain. Codeine phosphate is a narcotic pain reliever. It acts on certain centers in the brain to give you pain relief.

HOW TO USE: This medication is given by injection into a muscle or under the skin, usually every 4 hours or exactly as prescribed by your doctor. Learn the proper way to give injections. If you have any questions about the use of this medication, consult your doctor or pharmacist.The dosage is based on your medical condition and response to treatment. If you are extremely drowsy after using this medication, consult your doctor or pharmacist promptly. Your dosage may need to be lowered. Pain medications work best if they are used when the first signs of pain occur. If you wait until the pain has worsened, the medication may not work as well.Before using this medication, check it visually for particles or discoloration. If either is present, do not use the liquid.Learn to store and discard needles and medical supplies safely. Consult your pharmacist.This medication may cause withdrawal reactions, especially if it has been used regularly for a long time or in high doses. In such cases, withdrawal symptoms (such as runny nose, sweating, restlessness, widened pupils, loss of appetite, "goose bumps," irritability, shakiness) may occur if you suddenly stop using this medication. To prevent withdrawal reactions, your doctor may reduce your dose gradually. Consult your doctor or pharmacist for more details, and report any withdrawal reactions immediately.Though very unlikely, abnormal drug-seeking behavior (addiction) is possible with this medication. Do not increase your dose, take it more frequently, or take it for a longer time than prescribed. Properly stop the medication when so directed.When used for an extended period, this medication may not work as well and may require different dosing. Talk with your doctor if this medication stops working well.Tell your doctor if your pain persists or worsens after 24 hours when first starting this medication or after a dose change.

SIDE EFFECTS: Nausea, vomiting, constipation, lightheadedness, dizziness, drowsiness, tiredness, or dry mouth may occur. Less common side effects may include pain/redness at the injection site and sweating. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.To prevent constipation, maintain a diet adequate in fiber, and drink plenty of water. If you become constipated while using this drug, consult your pharmacist for help with selecting a laxative (e.g., stimulant-type with stool softener).Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.Tell your doctor immediately if any of these unlikely but serious side effects occur: slow/shallow breathing, difficulty staying awake, mental/mood changes (e.g., nervousness, agitation, hallucinations, confusion), vision problems, flushing of the face, slow/irregular heartbeat, fast heartbeat, dizziness when standing, fainting, trouble starting the flow of urine, decreased sexual interest/ability.Tell your doctor immediately if any of these rare but very serious side effects occur: severe stomach/abdominal pain, change in the amount of urine, seizures.A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.In the US -Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.