Haldol Decanoate injection

Generic name: Haloperidol (injection)
Drug class: Miscellaneous antipsychotic agents

Usage of Haldol Decanoate injection

Haldol Decanoate is an antipsychotic medicine that is used to treat schizophrenia.

Haldol Decanoate is also used to control motor and speech tics in people with Tourette's syndrome.

Haldol Decanoate is sometimes used in people who are unable to take the medicine by mouth.

Haldol Decanoate may also be used for purposes not listed in this medication guide.

Haldol Decanoate injection side effects

Get emergency medical help if you have signs of an allergic Reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

High doses or long-term use of Haloperidol can cause a serious movement disorder that may not be reversible. The longer you use Haldol Decanoate, the more likely you are to develop this disorder, especially if you are a diabetic or an older adult.

Haldol Decanoate may cause serious side effects. Call your doctor at once if you have:

uncontrolled muscle movements in your face (chewing, lip smacking, frowning, tongue movement, blinking or eye movement);

rapid changes in mood or behavior;

fast or pounding heartbeats, fluttering in your chest, shortness of breath, and sudden dizziness (like you might pass out);

cough with mucus, chest pain, feeling short of breath;

lack of energy, decreased thirst;

muscle spasms in your neck, tightness in your throat, trouble swallowing;

low white blood cell counts--fever, chills, mouth sores, skin sores, sore throat, cough, trouble breathing; or

severe nervous system reaction--very stiff (rigid) muscles, high fever, sweating, confusion, fast or uneven heartbeats, tremors, feeling like you might pass out.

Serious side effects may be more likely in older adults.

Common side effects of Haldol Decanoate may include:

drowsiness;

neck stiffness;

tremors; or

involuntary muscle movements.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Before taking Haldol Decanoate injection

You should not receive Haldol Decanoate if you are allergic to Haldol Decanoate, or if you have:

Parkinson's disease;

dementia with Lewy bodies;

a peanut allergy (this medicine contains seSAMe oil); or

certain conditions that affect your central nervous system (such as severe drowsiness, or slowed thinking caused by taking other medicines or drinking alcohol).

Haldol Decanoate may increase the risk of death in older adults with dementia-related psychosis and is not approved for this use.

Tell your doctor if you have ever HAD:

heart problems, angina (chest pain);

long QT syndrome (in you or a family member);

low blood pressure;

a seizure;

low white blood cell (WBC) counts;

a thyroid disorder; or

an electrolyte imbalance (such as low blood levels of potassium or Magnesium).

Using antipsychotic medicine in the last 3 months of pregnancy may cause serious problems in the newborn. If you get pregnant, tell your doctor right away. Do not stop the medicine without your doctor's advice.

You should not breastfeed while using Haldol Decanoate.

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How to use Haldol Decanoate injection

You may be given oral Haldol Decanoate to take by mouth for a short time before you are treated with this medicine.

Haldol Decanoate is injected into a muscle by a healthcare provider, usually once every 3 to 4 weeks as needed.

If you use this medicine long-term, you may need frequent medical tests.

Do not stop using Haldol Decanoate suddenly after long-term use, or you could have unpleasant withdrawal symptoms. Ask your doctor how to safely stop using this medicine.

Warnings

Haldol Decanoate is not approved for use in older adults with dementia-related psychosis.

What other drugs will affect Haldol Decanoate injection

Sometimes it is not safe to use certain medications at the same time. Some drugs can affect your blood levels of other drugs you take, which may increase side effects or make the medications less effective.

Haldol Decanoate can cause a serious heart problem. Your risk may be higher if you also use certain other medicines for infections, asthma, heart problems, high blood pressure, depression, mental illness, cancer, malaria, or HIV.

Using Haldol Decanoate with other drugs that make you drowsy can worsen this effect. Ask your doctor before using opioid medication, a sleeping pill, a muscle relaxer, or medicine for anxiety or seizures.

Tell your doctor about all your other medicines, especially:

lithium;

rifampin;

medicine to treat Parkinson's disease;

seizure medicine; or

a blood thinner--Warfarin, Coumadin, Jantoven.

This list is not complete. Other drugs may affect Haldol Decanoate, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.

Disclaimer

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