Hapidec 50mg Injection

Reviewed By Dr. Rajeev Sharma, MBA, MBBS

Last updated on 19 Dec 2025 | 12:56 PM (IST)

Hapidec 50mg Injection is used in the treatment of schizophrenia. It is also used to treat psychosis, mania, severe behavior problems, and Tourette syndrome (chronic multiple motor and vocal problems and involuntary responses) in adults and children.

Genuine

Authenticity Assured

Prescription

required

₹131 MRP ₹144.569% off

Save more with additional offers

Pay with Amazon Pay Balance and get cashback up to Rs. 100 with minimum cashback of Rs. 20

Earn cashback up to Rs. 100 with Amazon Pay Later

Assured cashback up to ₹300 on minimum payment of ₹300 using Paytm UPI*

Pay with Amazon Pay Balance and get cashback up to Rs. 100 with minimum cashback of Rs. 20

Earn cashback up to Rs. 100 with Amazon Pay Later

Assured cashback up to ₹300 on minimum payment of ₹300 using Paytm UPI*

10% cashback up to 200 on Min Transaction of Rs.1000, for first time users of Airtel Payments Bank.

Get cashback up to ₹500

Get upto Rs.500 Cashback on minimum transaction of Rs.999/- with Mobikwik Wallet.

Get upto Rs.150 Cashback

General Information

Contains

Haloperidol Decanoate (50mg)

Marketer

Assure Pharma

Storage

Store below 30°C

The content is shown in English

Product introduction

Hapidec 50mg Injection works by blocking the action of dopamine, a chemical messenger in the brain that affects thoughts and mood. It is given under the supervision of a healthcare professional only. Use it at the same time each day as this helps to maintain a consistent level of medicine in the body. Take this medicine in the dose and duration as advised by your doctor and if you have missed a dose, take it as soon as you remember. Do not stop suddenly without talking to the doctor, as it may worsen your symptoms. The doctor may check heart function and level of electrolytes such as sodium and magnesium before you start treatment with this medicine and regularly thereafter. Take plenty of fluids while taking this medicine as it may also cause dehydration.

Some common side effects of this medicine include injection site reactions (pain, swelling, redness), dryness in the mouth, urinary retention, constipation, and tremor. Initially, this medicine may cause a sudden drop in blood pressure when you change positions, rise slowly if you have been sitting or lying down. It also causes dizziness and sleepiness, do not drive or do anything that requires mental focus until you know how this medicine affects you. Additionally, this medicine can lead to weight gain, eat a healthy balanced diet, and exercise regularly.

Uses of Hapidec Injection

Schizophrenia

Benefits of Hapidec Injection

Schizophrenia
Schizophrenia is a mental disorder in which a person’s thinking ability, feelings and behavior become abnormal. Hapidec 50mg Injection helps restore the chemical imbalances in the brain that are responsible for such changes. It improves thoughts, behavior and enhances the quality of life.

Side effects of Hapidec Injection

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Hapidec

Abnormality of voluntary movements
Constipation
Dryness in mouth
Increased prolactin level in blood
Muscle stiffness
Orthostatic hypotension (sudden lowering of blood pressure on standing)
Sleepiness
Tremors
Urinary retention
Weight gain

How to use Hapidec Injection

Your doctor or nurse will give you this medicine. Kindly do not self administer.

How Hapidec Injection works

Hapidec 50mg Injection is a typical antipsychotic. It works by blocking the action of dopamine, a chemical messenger in the brain that affects thoughts and mood.

Quick tips

Use caution while driving or doing anything that requires concentration as Hapidec 50mg Injection may cause dizziness and sleepiness.
Avoid drinking alcohol while taking this medicine as it can cause increased dizziness.
It may affect how your body regulates your temperature. Avoid getting dehydrated and drink plenty of fluids.
Inform your doctor if you experience any abnormal movements or have difficulty controlling movements.
Inform your doctor if you experience symptoms such as high fever, sweating, muscle stiffness, and faster breathing. These may be due to a rare side effect known as the neuroleptic malignant syndrome.
Your doctor may check your heart function and level of electrolytes such as sodium and magnesium before you start treatment with this medicine and regularly thereafter.
Do not stop taking Hapidec 50mg Injection without talking to your doctor first as it may cause worsening of symptoms.

Safety advice

Alcohol

UNSAFE

It is unsafe to consume alcohol with Hapidec 50mg Injection

Pregnancy

CONSULT YOUR DOCTOR

The safety of Hapidec 50mg Injection during pregnancy has not been established. There are no adequate and well-controlled studies in pregnant women, and animal data on reproductive toxicity are insufficient. Your doctor will weigh the benefits and any potential risks before prescribing.

Breast feeding

CONSULT YOUR DOCTOR

Hapidec 50mg Injection may be unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby. It should be used only if the expected benefit outweighs the potential risk. Please consult your doctor.

Driving

UNSAFE

Hapidec 50mg Injection may cause side effects that could affect your ability to drive.

Kidney

CONSULT YOUR DOCTOR

There is limited data available on the use of Hapidec 50mg Injection in patients with kidney disease. Please consult your doctor.

Liver

CONSULT YOUR DOCTOR

There is limited data available on the use of Hapidec 50mg Injection in patients with liver disease.

Frequently asked questions

What is Hapidec 50mg Injection used for?

Hapidec 50mg Injection is a long‑acting antipsychotic injection given into the muscle to treat schizophrenia in people who need ongoing, monthly treatment to help prevent symptom relapses.

Who should not receive Hapidec 50mg Injection?

Individuals should not use Hapidec 50mg Injection if they have Parkinson’s disease, dementia with Lewy bodies, a severe allergy to haloperidol, or severe central nervous system depression/coma. It must not be given into a vein.

What serious heart risks should be watched for during Hapidec 50mg Injection treatment?

While on Hapidec 50mg Injection treatment, cases of sudden death, dangerous heart rhythm changes (QTc prolongation), and a rhythm called torsades de pointes have been reported. Risk is higher with high doses, low potassium or magnesium, existing heart problems, thyroid issues, or when used with other QT‑prolonging medicines.

Can Hapidec 50mg Injection cause long‑term movement problems?

Yes, tardive dyskinesia (uncontrolled, possibly permanent movements) can happen from Hapidec 50mg Injection use, especially with longer use and higher total doses. Doctors aim for the lowest effective dose and regularly reassess the need for ongoing treatment.

Can Hapidec 50mg Injection cause neuroleptic malignant Syndrome (NMS), and what are the signs?

Hapidec 50mg Injection can cause neuroleptic malignant syndrome (NMS), which is a rare, life‑threatening reaction with very high fever, severe muscle stiffness, confusion, unstable heart rate or blood pressure, and possible kidney injury. Treatment requires stopping Hapidec 50mg Injection and urgent hospital care.

What blood or liver problems can occur with Hapidec 50mg Injection use?

Low white blood cells (including severe neutropenia), liver injury (including acute liver failure, hepatitis, jaundice), and blood abnormalities have been reported with Hapidec 50mg Injection use. Doctors may monitor blood counts and liver tests and stop treatment if serious changes occur.

During Hapidec 50mg Injection treatment, what immediate symptoms need emergency care?

During Hapidec 50mg Injection treatment, severe chest pain or fainting, very fast or irregular heartbeat, severe dizziness, uncontrollable muscle movements, very high fever with rigidity, trouble breathing or swelling of face/throat, or severe allergic rash/peeling skin should be treated as emergencies.

Fact Box

Chemical Class

Alkyl- phenylketones

Habit Forming

Therapeutic Class

NEURO CNS

Action Class

Typical Antipsychotics

References

Want to know more

We provide you with authentic, trustworthy and relevant information

Have issue with the content

Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Assure Pharma
Address: 1310/A, Mondeal Heights, Nr Wide Angle Cinema, Sg Road, Ahmedabad - 380015, Gujarat, India

Vendor Details

Country of origin: India

Lab tests offered by us

Why we need a prescription?

Hapidec 50mg Injection

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of Hapidec Injection

Benefits of Hapidec Injection

Side effects of Hapidec Injection

How to use Hapidec Injection

How Hapidec Injection works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Frequently asked questions

What is Hapidec 50mg Injection used for?

Who should not receive Hapidec 50mg Injection?

What serious heart risks should be watched for during Hapidec 50mg Injection treatment?

Can Hapidec 50mg Injection cause long‑term movement problems?

Can Hapidec 50mg Injection cause neuroleptic malignant Syndrome (NMS), and what are the signs?

What blood or liver problems can occur with Hapidec 50mg Injection use?

During Hapidec 50mg Injection treatment, what immediate symptoms need emergency care?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

References

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

Related/Popular tests