Largactil (Chlorpromazine Hydrochloride)
Complete patient guide for uses, dosage, side effects, and safety information
Quick Facts
What Is Largactil Used For?
Largactil is a medication that contains chlorpromazine hydrochloride, which belongs to a class of drugs known as phenothiazines. It is prescribed for various conditions and can be used for both short-term and long-term treatment.
Primary Uses
Largactil is primarily used to treat severe depression, behavioral disturbances, nausea, vomiting, severe pain, and uncontrollable hiccups.
Good to know: Largactil is not considered addictive.
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How to Take Largactil
Follow your doctor's instructions on how to take Largactil, including the dosage and frequency.
Dosage Instructions
Your doctor or pharmacist will determine the appropriate dosage based on your condition and any other medications you may be taking. It is important to follow their guidance carefully.
What If You Miss a Dose?
If you miss a dose, continue with your regular schedule and do not double up on doses to make up for a missed one.
Important: Never take a double dose to compensate for a missed dose, as this may increase the risk of side effects.
Available Tablet Strengths
Side Effects
Like all medications, this medicine can cause side effects. Most are mild and temporary, but some require medical attention.
Common Side Effects
These side effects occur relatively frequently and usually don’t require emergency care:
- dizziness
- lightheadedness
- headache
- nausea
- dry mouth
- drowsiness
- tiredness
- weight gain
- constipation
- nasal congestion
- agitation
- skin discoloration
- blurred vision
- difficulty urinating
- impotence
Seek immediate medical attention if you experience:
- sore throat
- fever or signs of infection
- breathing difficulties
- seizures
- uncontrolled muscle movements
- unusual bleeding or bruising
Important Warnings
There are several important warnings to consider before taking Largactil.
Who Should Not Take Largactil
Do not use Largactil if you have had an allergic reaction to it or any of its ingredients, have certain blood or circulatory disorders, high blood pressure, liver issues, or specific tumors.
Medical Conditions to Discuss
Discuss with your doctor if you have asthma, chronic respiratory issues, kidney or liver disease, heart problems, diabetes, glaucoma, or any other significant medical conditions.
Pregnancy and Breastfeeding
Largactil is not recommended during pregnancy or breastfeeding. Consult your doctor if you are pregnant, planning to become pregnant, or breastfeeding.
Elderly Patients With Dementia: Elderly patients, especially those with dementia, may have an increased risk of side effects.
Drug Interactions
Certain medications may interact with Largactil and affect its efficacy.
- benztropine and levodopa
- antimicrobials
- antacids
- lithium
- barbiturates
- tricyclic antidepressants
- benzodiazepines
- other antipsychotics
- CYP1A2 inhibitors
- medications for heart rhythm
- diuretics
- opioids
- MAOIs
- anticonvulsants
Alcohol & Driving
Caution is advised when consuming alcohol or operating machinery while taking Largactil.
Alcohol
Be careful with alcohol consumption as it may enhance drowsiness and dizziness.
Driving and Operating Machinery
Do not drive or operate machinery until you know how Largactil affects you, as it may cause drowsiness or dizziness.
Temperature Regulation
Avoid extreme temperatures and direct sunlight, as Largactil can affect your body's ability to regulate temperature.
Storage
Store Largactil tablets below 30°C and syrup below 25°C, away from light and moisture. Keep out of reach of children.
Overdose Information
If you suspect an overdose, seek immediate medical attention. Symptoms may include drowsiness, low body temperature, low blood pressure, muscle stiffness, and convulsions.
Frequently Asked Questions
The time it takes for Largactil to work can vary depending on the individual and the condition being treated. Consult your doctor for specific information.
It is advisable to follow your doctor's instructions regarding food and Largactil. Generally, it can be taken with or without food.
Largactil is not considered addictive.
Do not stop taking Largactil suddenly without consulting your doctor, as it may lead to withdrawal symptoms.
Be cautious with alcohol, as it can increase drowsiness and dizziness when combined with Largactil.
Weight gain is a possible side effect of Largactil. Consult your doctor if you have concerns.
Elderly patients, especially those with dementia, may have an increased risk of side effects. Discuss with your doctor.
If you miss a dose, continue with your regular schedule and do not double up on doses.
Important Disclaimer
This information is intended for general educational purposes only and should not be considered medical advice. Always consult your healthcare provider or pharmacist before starting, stopping, or changing any medication.
If you think you may have a medical emergency, call your doctor or emergency services immediately.