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Phenasol 25 Injection 1 ml is used to treat psychotic disorders like schizophrenia. It contains 'Fluphenazine' that affects the balance of the neurotransmitters in the brain. It helps clear thinking and relieves psychotic symptoms like delusions, hostility, and hallucinations in schizophrenia. Common side effects of Phenasol 25 Injection 1 ml include lethargy/tiredness, drowsiness, headache, dizziness, blurred vision, nausea, loss of appetite, dry mouth, constipation, stuffy nose, sweating, weight changes, and pain/redness/swelling at the injection site.

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Written By Santoshini Reddy G , M Pharmacy
Reviewed By Dr Aneela Siddabathuni , MPharma., PhD
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More about the Product

Composition :

FLUPHENAZINE-25MG

Manufacturer/Marketer :

Oxpro Pharma Pvt Ltd

Consume Type :

Parenteral

Expires on or after :

Jan-27

Return Policy :

Not Returnable

About Phenasol 25 Injection 1 ml

Phenasol 25 Injection 1 ml is a prescription injection used to manage the symptoms of long-term mental health conditions, such as schizophrenia. It helps control disturbed thoughts, behaviors, and intense emotions, making it easier to carry out daily activities. Phenasol 25 Injection 1 ml belongs to a group of medicines that help restore the natural balance of chemicals in the brain.

Because Phenasol 25 Injection 1 ml is given as a long-acting injection, it is typically injected once every few weeks by a healthcare professional. Staying consistent with your scheduled appointments is vital to ensure your symptoms do not return. There are no specific food restrictions with this injection, but maintaining a stable daily routine and getting regular sleep can greatly support your treatment.

While using Phenasol 25 Injection 1 ml, some people may experience mild side effects like drowsiness, dry mouth, or minor muscle stiffness. However, you must contact your doctor immediately if you notice serious signs, such as uncontrollable muscle twitching, a very high fever, or severe confusion. These could be signs of a serious reaction that requires prompt medical attention.

Before you start receiving Phenasol 25 Injection 1 ml, tell your doctor if you have any pre-existing health conditions like Parkinson's disease, heart issues, kidney problems, or a history of liver damage. Do not take this if you have severe brain damage, a history of blood disorders, or if you are in a state of deep drowsiness. Your healthcare provider will evaluate if this injection is safe for your specific situation.

Phenasol 25 Injection 1 ml can interact with other substances, including alcohol and sleeping pills, which can dangerously increase sleepiness. It is important to consult your doctor if you are pregnant, breastfeeding, or if the patient is an elderly individual, as older adults may face a higher risk of serious side effects. Antipsychotic medicines, including Phenasol 25 Injection 1 ml, are not approved for the treatment of dementia-related psychosis in elderly patients and have been associated with an increased risk of death in this population. Phenasol 25 Injection 1 ml is generally used in adults and is not routinely recommended for children or adolescents unless prescribed by a specialist. The safety and effectiveness of long-acting injectable Phenasol 25 Injection 1 ml in pediatric patients have not been fully established. 

Uses of Phenasol 25 Injection 1 ml

Phenasol 25 Injection 1 ml used in the treatment of Schizophrenia. The detailed use of Phenasol 25 Injection 1 ml is as follows:

  • Schizophrenia: Phenasol 25 Injection 1 ml helps control severe symptoms like hallucinations (hearing or seeing things that are not there), delusions (strong false beliefs), and disorganized thinking, allowing for a clearer state of mind.
  • Chronic Psychotic Disorders: For individuals requiring continuous, long-term care, this injection provides ongoing symptom control to help prevent relapses.

Key Benefits

Phenasol 25 Injection 1 ml helps manage certain long-term mental health conditions by helping restore the balance of brain chemicals. Its long-acting injectable formulation provides consistent symptom control and supports ongoing treatment when administered by a healthcare professional.

Benefits may include:

  • Helps reduce symptoms such as hallucinations, delusions, and disorganized thinking.
  • Supports better emotional stability and improves day-to-day functioning.
  • Helps lower the risk of symptom relapse when used regularly as prescribed.
  • Provides long-lasting symptom control with fewer injections compared to daily oral medicines.
  • Improves treatment adherence by reducing the need to remember daily medication.
  • Supports long-term mental health management and enhances overall quality of life.

Directions for Use

  • Your doctor will determine the dosage and frequency depending on your condition.
  • Phenasol 25 Injection 1 ml will be administered by a healthcare professional.
  • Do not self-administer.

How Phenasol 25 Injection 1 ml Works

Phenasol 25 Injection 1 ml works by binding to and blocking these specific dopamine receptors in the brain. By toning down the excess dopamine activity, Phenasol 25 Injection 1 ml helps restore a healthier chemical balance. This action calms overexcited nerve pathways, helping to clear your thoughts, quiet unusual behaviors, and reduce emotional distress.
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Alcohol

Unsafe

It is advised to avoid alcohol consumption while using Phenasol 25 Injection 1 ml. Alcohol intake while being treated with Phenasol 25 Injection 1 ml, may cause increased dizziness and drowsiness. Please consult your doctor for more information.

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Pregnancy

Caution

Using antipsychotic drugs during the third trimester of pregnancy may cause muscle problems in newborn babies. Please consult your doctor before using Phenasol 25 Injection 1 ml if you are pregnant or planning to conceive. Your doctor will weigh the potential risks and benefits before prescribing Phenasol 25 Injection 1 ml.

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Breast Feeding

Caution

It is not known if Phenasol 25 Injection 1 ml is excreted into the breast milk. Please consult your doctor before using Phenasol 25 Injection 1 ml if you are a breastfeeding mother.

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Driving

Unsafe

Phenasol 25 Injection 1 ml may make you feel dizzy or drowsy. Do not drive if you are not mentally alert or experience any symptoms that affect your ability to drive or operate machinery.

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Liver

Caution

If you have a history of liver disease, inform your doctor before receiving Phenasol 25 Injection 1 ml. Your doctor may adjust the dose of this medicine or prescribe a suitable alternative based on your condition.

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Kidney

Caution

If you have a history of kidney disease, inform your doctor before receiving Phenasol 25 Injection 1 ml. Your doctor may adjust the dose of this medicine or prescribe a suitable alternative based on your condition.

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Children

Unsafe

Phenasol 25 Injection 1 ml is not recommended for children younger than 12 years of age.

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Heart

Caution

Phenasol 25 Injection 1 ml should be used with caution if you have heart disease. Please seek medical advice if you have any concerns about this.

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Geriatrics

Consult your doctor

Please consult a doctor if you have any concerns regarding the use of Phenasol 25 Injection 1 ml in elderly patients.

What if I have taken an overdose of Phenasol 25 Injection 1 ml

Since Phenasol 25 Injection 1 ml is usually injected by a healthcare professional, an overdose is highly unlikely. However, if you suspect an overdose or experience severe drowsiness, extreme muscle stiffness, or low blood pressure, seek immediate medical attention or go to the nearest emergency room.

Diet & Lifestyle Advise

  • Stay hydrated: Drink plenty of water daily, especially in hot weather or during exercise, as Phenasol 25 Injection 1 ml can make it harder for your body to sweat and cool down.
  • Limit caffeine and tobacco: Both caffeine and smoking can change how quickly your body processes Phenasol 25 Injection 1 ml. Discuss your habits with your doctor to keep your treatment stable.
  • Stand up slowly: To prevent dizziness or fainting, take your time when moving from a sitting or lying position to a standing position.
  • Protect your skin: Use sunscreen and wear protective clothing when going outdoors, as Phenasol 25 Injection 1 ml can make your skin highly sensitive to sunlight.
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How Soon It Starts Working

The time required for Phenasol 25 Injection 1 ml to start to work: Phenasol 25 Injection 1 ml shows rapid action within 15 to 60 minutes of IV or IM administration. The time for which the effects of Phenasol 25 Injection 1 ml last: Phenasol 25 Injection 1 ml effect lasts for 6 to 12 hours.

What if you forget to take Phenasol 25 Injection 1 ml

If you miss an appointment for your injection, contact your doctor or clinic immediately to reschedule. Keeping a steady amount of Phenasol 25 Injection 1 ml in your body is crucial to prevent your symptoms from returning.

Storage

•Store Phenasol 25 Injection 1 ml vials at controlled room temperature, ideally between 20°C and 25°C (68°F to 77°F). •Keep Phenasol 25 Injection 1 ml protected from direct light, and do not freeze the solution.

Drug Warnings

  • Inspect the medicine before use: Always check the liquid inside the vial before injection. Do not use it if the solution contains visible particles or has changed color.
  • Rotate injection sites: If you are self-injecting under medical supervision, use a different injection site each time to help prevent muscle irritation, tissue damage, or scarring.
  • Use caution during activities requiring alertness: Avoid driving, operating machinery, or performing hazardous tasks until you know how Phenasol 25 Injection 1 ml affects you, as it may cause significant drowsiness or impair your ability to concentrate.
  • Avoid overheating: Phenasol 25 Injection 1 ml may reduce your body's ability to sweat, increasing the risk of heatstroke. Stay well hydrated, avoid excessive heat, and seek medical attention if you develop symptoms such as high body temperature, dizziness, or confusion.
  • Carry medical identification: Carry a medical identification card or wear a medical alert bracelet stating that you are receiving Phenasol 25 Injection 1 ml so healthcare providers can respond appropriately in an emergency.
  • Attend regular monitoring appointments: Keep all scheduled follow-up visits. Your doctor may perform blood tests, liver function tests, blood sugar and cholesterol checks, heart monitoring (including ECGs), and assessments for movement disorders during long-term treatment.
  • Do not stop treatment abruptly: Never change your dose, stop treatment, or miss scheduled injections without consulting your doctor, as this may cause your symptoms to return or worsen.
  • Seek immediate medical attention if: You develop symptoms of Neuroleptic Malignant Syndrome (NMS), including a very high fever, severe muscle stiffness, confusion, changes in consciousness, a rapid heartbeat, or heavy sweating. This is a rare but life-threatening medical emergency.
  • Use with caution in certain patients: Phenasol 25 Injection 1 ml should not be used in people who are allergic to Phenasol 25 Injection 1 ml or other phenothiazine medicines. It is also not recommended for individuals with severe central nervous system depression, coma, severe brain damage, significant blood disorders, or Parkinson's disease that may be worsened by dopamine-blocking medicines.
  • Consult your doctor before use: Elderly patients with dementia-related psychosis should generally avoid Phenasol 25 Injection 1 ml unless specifically advised by their healthcare provider, as antipsychotic medicines are associated with an increased risk of death in this population. Your healthcare provider will determine whether Phenasol 25 Injection 1 ml is suitable based on your medical history.

Drug-Drug Interactions

verifiedApollotooltip
  • Central nervous system depressants (e.g., sleeping pills, anxiety medicines, muscle relaxants, opioid pain relievers): Taking these medicines alongside Phenasol 25 Injection 1 ml may increase drowsiness, dizziness, and the risk of slowed breathing.
  • Parkinson's disease medicines (e.g., levodopa): Phenasol 25 Injection 1 ml may reduce the effectiveness of medicines used to treat Parkinson's disease.
  • Antiarrhythmic medicines (e.g., amiodarone, quinidine): Taking these medicines with Phenasol 25 Injection 1 ml may increase the risk of irregular heart rhythms.

Drug-Drug Interactions

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How does the drug interact with Phenasol 25 Injection 1 ml:
Coadministration of Phenasol 25 Injection 1 ml and Haloperidol can increase the risk of developing irregular heart rhythms.

How to manage the interaction:
Taking Phenasol 25 Injection 1 ml and Haloperidol together is generally avoided as it can lead to an interaction, but it can be taken when a doctor advises. However, if you experience any symptoms like sudden dizziness, lightheadedness, fainting, shortness of breath, heart palpitations, diarrhea, or vomiting, contact your doctor immediately. Do not discontinue any medications without consulting your doctor.
How does the drug interact with Phenasol 25 Injection 1 ml:
Taking ziprasidone with Phenasol 25 Injection 1 ml can increase the risk of abnormal heart rhythm.

How to manage the interaction:
Taking Ziprasidone with Phenasol 25 Injection 1 ml is not recommended, but it can be taken together if prescribed by a doctor. However, consult your doctor if you experience sudden dizziness, lightheadedness, fainting, shortness of breath. Do not discontinue any medications without consulting a doctor.
How does the drug interact with Phenasol 25 Injection 1 ml:
Taking Ceritinib together with Phenasol 25 Injection 1 ml can increase the risk of an irregular heart rhythm.

How to manage the interaction:
Although there is a interaction between Ceritinib and Phenasol 25 Injection 1 ml, you can take these medicines together if prescribed by your doctor. However, consult the doctor immediately if you experience symptoms such as dizziness, lightheadedness, fainting, shortness of breath, or heart palpitations. Do not stop using any medications without consulting doctor.
How does the drug interact with Phenasol 25 Injection 1 ml:
Taking Gatifloxacin and Phenasol 25 Injection 1 ml can increase the risk or severity of irregular heart rhythms. The risk increases in patients with a history of heart illness or electrolyte imbalance.

How to manage the interaction:
Taking Gatifloxacin and Phenasol 25 Injection 1 ml together can result in an interaction, it can be taken if your doctor has advised it. However, if you experience sudden dizziness, lightheadedness, fainting, shortness of breath, chest pain or tightness, rapid heartbeat, or memory loss, contact a doctor immediately. Do not discontinue any medications without consulting a doctor.
How does the drug interact with Phenasol 25 Injection 1 ml:
Taking amisulpride with Phenasol 25 Injection 1 ml increases the risk of an abnormal heart rhythm.

How to manage the interaction:
Although taking amisulpride along with Phenasol 25 Injection 1 ml can result in an interaction, it can be taken if a doctor has advised it. However, if you experience abrupt dizziness, lightheadedness, fainting, shortness of breath, or rapid heartbeat, consult a doctor immediately. Do not discontinue any medications without consulting a doctor.
How does the drug interact with Phenasol 25 Injection 1 ml:
Taking Morphine with Phenasol 25 Injection 1 ml may increase the risk of central nervous system depression, which can lead to breathing difficulty and unconsciousness.

How to manage the interaction:
Coadministration of Morphine and Phenasol 25 Injection 1 ml together can cause an interaction, it can be taken if a doctor has suggested it. However, if you notice any symptoms like dizziness, drowsiness, difficulty concentrating, impaired judgment, reaction speed, and motor coordination, contact a doctor immediately. Do not discontinue any medications without consulting a doctor.
How does the drug interact with Phenasol 25 Injection 1 ml:
Using chloroquine together with Phenasol 25 Injection 1 ml can increase the risk of an irregular heart rhythm

How to manage the interaction:
Taking chloroquine and Phenasol 25 Injection 1 ml together can possibly result in an interaction, it can be taken if your doctor has advised it. However, if you experience sudden dizziness, lightheadedness, fainting, shortness of breath, or rapid heartbeat, contact your doctor immediately. Do not discontinue any medications without first consulting your doctor.
How does the drug interact with Phenasol 25 Injection 1 ml:
Taking Phenasol 25 Injection 1 ml with Pentazocine can increase the risk of serious side effects.

How to manage the interaction:
Although there is a possible interaction between Pentazocine and Phenasol 25 Injection 1 ml, but can be taken together if prescribed by a doctor. However, consult a doctor if you experience dizziness, drowsiness, difficulty concentrating, and impairment in judgment. Do not discontinue any medications without consulting your doctor.
How does the drug interact with Phenasol 25 Injection 1 ml:
The combined use of Phenasol 25 Injection 1 ml and Disopyramide can increase the risk of an irregular heart rhythm.

How to manage the interaction:
Co-administration of Phenasol 25 Injection 1 ml and Disopyramide can lead to an interaction, it can be taken if advised by your doctor. However, if you experience any symptoms like sudden dizziness, lightheadedness, fainting, shortness of breath, heart palpitations, diarrhea, or vomiting, contact your doctor immediately. Do not discontinue any medications without first consulting your doctor.
How does the drug interact with Phenasol 25 Injection 1 ml:
Co-administration of Phenasol 25 Injection 1 ml and Methimazole together can cause the risk of neutropenia leading to serious infections.

How to manage the interaction:
Although there is a possible interaction between Methimazole and Phenasol 25 Injection 1 ml, you can take these medicines together if prescribed by a doctor. If you notice any of these signs - fever, chills, body aches, sore throat, coughing, breathing difficulties, mouth ulcers, or flu-like symptoms - contact a doctor right away. Do not stop using any medications without talking to a doctor.

Drug-Food Interactions

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  • Alcohol: Avoid drinking alcohol while taking Phenasol 25 Injection 1 ml, as it may increase dizziness, drowsiness, and impair coordination.
No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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Habit Forming

No

Therapeutic Class

[ANTIPSYCHOTICS]

FAQs

Phenasol 25 Injection 1 ml is used to treat Schizophrenia.
Phenasol 25 Injection 1 ml contains Fluphenazine, an antipsychotic medication that affects the balance of neurotransmitters in the brain, thus improving mood, behaviour, and thoughts in schizophrenia.
Before using Phenasol 25 Injection 1 ml, let your doctor know if you have a medical history of liver or kidney diseases, heart problems (history of stroke), breathing problems (asthma, emphysema), pheochromocytoma (adrenal gland tumour), Parkinson's disease, fits, low white blood cells, glaucoma, blood problems (leukopenia, thrombocytopenia), low blood calcium levels, enlarged prostate, breast cancer, and Reye's syndrome (a rare, but serious condition that causes swelling in the brain and liver damage). Please let your doctor know if you have any other medical problems before starting Phenasol 25 Injection 1 ml.
Phenasol 25 Injection 1 ml is not recommended for older dementia patients since it can lead to serious side effects like heart failure, fast/irregular heartbeat, and pneumonia. However, please discuss with the doctor possibly safer treatments for dementia-related behaviour problems.
Phenasol 25 Injection 1 ml may cause dizziness. It is advised to avoid getting up too fast from a sitting or lying position that can make you feel dizzy.
Dry mouth could be a side-effect of Phenasol 25 Injection 1 ml. Limiting caffeine intake, avoiding smoking and mouthwashes containing alcohol, drinking water regularly, and chewing sugar-free gum/candy might help stimulate saliva and prevent drying of the mouth.
No, you should never stop receiving this injection suddenly, even if you feel completely better. Stopping Phenasol 25 Injection 1 ml abruptly can cause your symptoms to return or worsen. Consult your doctor before making any changes to your therapy.
Phenasol 25 Injection 1 ml should only be used during pregnancy if the potential benefits outweigh the risks to the baby. Babies born to mothers who received Phenasol 25 Injection 1 ml late in pregnancy may experience temporary withdrawal symptoms or muscle stiffness. Inform your doctor if you are pregnant or planning to become pregnant.
You should avoid drinking alcohol while on Phenasol 25 Injection 1 ml. Alcohol can significantly increase drowsiness, dizziness, and coordination problems, which can be dangerous. Consult your doctor if you need support with avoiding alcohol.
Yes, some patients may experience an increased appetite and weight gain while receiving Phenasol 25 Injection 1 ml. Eating a balanced diet and staying physically active can help manage this side effect. Consult your doctor for personalized lifestyle tips.
If you miss an appointment, call your healthcare provider or clinic right away to reschedule. Consistency is critical to keeping Phenasol 25 Injection 1 ml at a stable level in your system. Consult your doctor about how to handle any gaps in your treatment.
Phenasol 25 Injection 1 ml can cause significant drowsiness, dizziness, and blurred vision, especially when you first start receiving it. You should avoid driving, riding a bicycle, or operating machinery until you know exactly how Phenasol 25 Injection 1 ml affects you.
Phenasol 25 Injection 1 ml can impair your body's natural ability to sweat and cool down, which increases your risk of overheating or heatstroke. It is important to stay hydrated, avoid intense exercise in hot weather, and seek air-conditioned spaces when temperatures are high. Inform your doctor if you experience signs of overheating.

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Country of origin

India

Manufacturer/Marketer address

C/o Sanjay Kumar, F.N.-B2, 2nd Floor, Wadhwani Tower, Karam Toli Chowk, Ranchi JH 834008
Other Info - PHE0170
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