Brand & Generic Names
- Habit forming? No
- Prescription needed? Yes
- Available as generic? Yes
- Drug class: Tranquilizer (antipsychotic)
- Reduces severe anxiety, agitation and psychotic behavior.
- Treatment for Tourette's syndrome.
- Treatment for infantile autism.
- Treatment for Huntington's chorea.
Dosage & Usage Information
How to take:
Tablet--Swallow with liquid. If you can't swallow whole, crumble tablet and take with liquid or food.
Drops--Dilute dose in beverage before swallowing.
When to take:
At the same times each day.
If you forget a dose:
Take as soon as you remember up to 2 hours
late. If more than 2 hours, wait for next scheduled dose (don't
double this dose).
What drug does:
Corrects an imbalance in nerve impulses from brain.
Time lapse before drug works:
3 weeks to 2 months for maximum
Don't take with:
Non-prescription drugs without consulting doctor.
Any other medicine without consulting your doctor or pharmacist.
Weak, rapid pulse; shallow, slow breathing; tremor or
muscle weakness; very low blood pressure; convulsions; deep
sleep ending in coma.
WHAT TO DO:
- Dial 911 (emergency) or O (operator) for an ambulance or
medical help. Then give first aid immediately.
- If patient is unconscious and not breathing, give mouth-to-
mouth breathing. If there is no heartbeat, use cardiac massage
and mouth-to-mouth breathing (CPR). Don't try to make patient
vomit. If you can't get help quickly, take patient to nearest
- See EMERGENCY Information.
Possible Adverse Reactions or Side Effects
Uncontrolled muscle Discontinue. Seek
movements of tongue, emergency treatment.
face and other muscles
- Blurred vision, loss of
balance, muscle spasms,
- Shuffling, stiffness,
constipation, weight gain.
- Dry mouth.
- Rash, circling motions
of tongue, hallucinations,
- Dizziness, faintness,
sexual ability, nausea
Sore throat; fever;
pain; dry, warm skin.
Warnings & Precautions
Don't take if:
- You have ever been allergic to haloperidol.
- You are depressed.
- You have Parkinson's disease.
- Patient is younger than 3 years old.
Before you start, consult your doctor:
- If you take sedatives, sleeping pills, tranquilizers,
antidepressants, antihistamines, narcotics or mind-altering
- If you have a history of mental depression.
- If you have had kidney or liver problems.
- If you have diabetes, epilepsy, glaucoma, high blood pressure
or heart disease, prostate trouble.
- If you drink alcoholic beverages frequently.
Over age 60:
Adverse reactions and side effects may be more frequent and
severe than in younger persons.
Risk to unborn child outweighs drug benefits. Don't use.
Drug passes into milk. Avoid drug or discontinue nursing until
you finish medicine. Consult doctor about maintaining milk supply.
Infants & children:
- May develop tardive dyskinesia (involuntary movements of jaws,
lips and tongue).
- Talk to your doctor about the need for follow-up medical
examinations or laboratory studies to check blood pressure,
Skin & sunlight:
May cause rash or intensify sunburn in areas exposed to sun or
Driving, piloting or hazardous work:
Don't drive or pilot aircraft until you learn how medicine
affects you. Don't work around dangerous machinery. Don't climb
ladders or work in high places. Danger increases if you drink
alcohol or take medicine affecting alertness and reflexes.
Don't discontinue without consulting doctor. Dose may require
gradual reduction if you have taken drug for a long time. Doses
of other drugs may also require adjustment.
No problems expected.
Possible Interaction with Other Drugs
||Increased anticholinergic effect.
||May cause pressure within the eye.
||Changed seizure pattern.
||May cause severe blood pressure
||Increased risk of major seizures.
|Central nervous system
||Increased CNS depression; increased
||blood pressure drop.
||Toxic effect on the
||central nervous system.
||Increased effects of both drugs.
||Dangerous increased effects of
||ethinamate. Avoid combining.
||Increased depressant effects of
||Decreased guanethidine effect.
||May increase depressant effects of
||May increase toxic effects of both
||High alcohol content of leucovorin
||may cause adverse effects.
||Decreased levodopa effect.
||Increased sedative effect, perhaps
||to dangerous level. Avoid.
||Greater depression of central
||Decreased pergolide effect.
||Decreased anticoagulant effect.
||Increased depressive effects of
Possible Interaction with Other Substances
||Excessive sedation and depressed
||brain function. Avoid.
||Decreased effect of haloperidol.
||Occasional use--Increased sedation.
||Frequent use--Possible toxic