Frenin Injection (Phenylephrine)
Frenin Injection contains Phenylephrine, a potent vasopressor medication used in emergency and hospital settings to increase blood pressure in patients with severe hypotension, especially during surgery or shock conditions. It works rapidly by constricting blood vessels, ensuring improved blood circulation and stability. This medication is an alternative to Neosynephrine.
Product Overview
Frenin Injection (Phenylephrine) is a fast-acting vasopressor agent designed for the management of acute hypotension (low blood pressure) in controlled medical environments. It is widely used in critical care, emergency medicine, and surgical settings where maintaining stable blood pressure is essential for patient survival.
Phenylephrine, the active ingredient in Frenin Injection, is a selective alpha-1 adrenergic receptor agonist. Unlike other vasopressors, it primarily increases blood pressure through vasoconstriction without significantly increasing heart rate, making it particularly useful in patients where tachycardia (rapid heartbeat) must be avoided.
It is commonly administered in:
- Surgical settings (especially anesthesia-induced hypotension)
- Intensive care units (ICU)
- Septic shock management
Phenylephrine injection is widely used because of its rapid onset and precise blood pressure control.
Its rapid onset of action (within minutes) and short duration allow healthcare providers to carefully titrate dosage based on real-time patient response, ensuring precise control over blood pressure levels.
Additionally, Frenin Injection is preferred in many clinical scenarios due to:
- Predictable pharmacological action
- Minimal direct effect on cardiac output compared to other agents
- Effectiveness in restoring vascular tone
How It Works
Phenylephrine works by:
- Stimulating alpha-1 adrenergic receptors
- Causing vasoconstriction (narrowing of blood vessels)
- Increasing systemic vascular resistance
- Raising blood pressure quickly and effectively
This mechanism helps restore proper blood flow to vital organs.
Storage
- Store as per label instructions
- Keep in a cool, dry place
- Protect from light
- Keep out of reach of children
Product Overview Table
| Attribute | Details |
| Product Name | Frenin Injection |
| Generic Name | Phenylephrine |
| Drug Class | Alpha-1 Adrenergic Agonist / Vasopressor |
| Dosage Form | Injectable Solution |
| Route of Administration | Intravenous (IV) |
| Primary Use | Treatment of acute hypotension |
| Onset of Action | Rapid (within minutes) |
| Duration of Effect | Short-acting (dose-dependent) |
| Mechanism of Action | Vasoconstriction via alpha-1 receptor stimulation |
| Common Settings | ICU, emergency rooms, operating rooms |
| Monitoring Required | Blood pressure, heart rate, oxygenation |
Precautions
Before using Frenin Injection, inform your doctor if you have:
- Heart disease or hypertension
- Circulation disorders
- Thyroid problems
- Kidney or liver disease
- Asthma or sulfite allergy
Important Warnings:
- Use cautiously in patients with cardiovascular conditions
- Requires strict monitoring to avoid excessive blood pressure rise
- Not recommended without medical supervision
Usage
- Administered intravenously (IV) by trained medical staff
- Used only in clinical or hospital settings
- Requires continuous monitoring of vital signs
- Not suitable for self-administration
Dosage
Typical Adult Dosage:
- Bolus Dose:
50–250 mcg IV (commonly 50–100 mcg) - Continuous Infusion:
0.5 to 6 mcg/kg/min (adjusted based on response) - Dose is titrated depending on patient condition and blood pressure goals
Continuous monitoring of:
- Blood pressure
- Heart rate
- Organ function
is required during administration.
Administered only by healthcare professionals
Uses
Frenin Injection is used for:
- Treatment of severe hypotension (low blood pressure)
- Management of shock (especially septic shock)
- Maintaining blood pressure during surgical procedures
- Counteracting effects of anesthesia-induced vasodilation
In hospitals, it is often used when immediate stabilization of blood pressure is required.
Side Effects
Common Side Effects:
- Headache
- Nausea or vomiting
- Anxiety or restlessness
Serious Side Effects:
- Irregular heartbeat
- Chest pain
- High blood pressure (hypertensive crisis)
- Breathing difficulty
- Injection site reactions
Seek immediate medical attention if severe reactions occur.
FAQs
1. What is Frenin Injection used for?
It is used to treat dangerously low blood pressure, especially in emergency or surgical settings.
2. How fast does Frenin Injection work?
It works rapidly after IV administration, making it ideal for critical situations.
3. Can Frenin Injection be used at home?
No. It is strictly administered in hospitals under medical supervision.
4. Is Frenin Injection safe?
Yes, when used under medical supervision. However, improper use can cause serious complications.
5. What happens in case of overdose?
Overdose may cause severe hypertension and heart complications, requiring immediate medical intervention.
6. Can it be used during pregnancy?
Use only if clearly needed and prescribed by a doctor, as safety data is limited.
Interactions
Frenin Injection may interact with:
- MAO inhibitors (antidepressants)
- Beta-blockers
- Tricyclic antidepressants
- Other vasopressors
- Oxytocic drugs
These interactions may enhance or alter blood pressure effects.
| Manufacturer | : | Samarth Life Sciences Pvt Ltd |
| Trade Name | : | Neosynephrine |
| Generic Search | : | Phenylephrine |
| Strength | : | 10 ml |
Latest Products
