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Frenin 10mg Injection

Prescription Required

Salt Composition : Phenylephrine


Origin of Medicine : India

MRP: 279.84
Price :238
You Save :42 (15%)

1 Ampoule(s) Of 1ml

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Introduction to Frenin 10mg Injection

Frenin 10mg injection injection contains the active component of phenylephrine hydrochloride, which belongs to a group of medicines called anti-hypotensive drugs. It is used to alleviate low blood pressure that may occur during surgery or as a result of an injury in adults and children.

It is not recommended to take this medication if you are allergic to phenylephrine hydrochloride or any of its ingredients. It is important to inform your doctor if you are currently using or have stopped taking antidepressant medications recently. If you have high blood pressure, overactive thyroid (hyperthyroidism), prostate issues, or any specific eye problem, inform your doctor promptly before taking this medication. Additionally, tell your doctor if you have diabetes, heart, liver, lung, or kidney disease before taking frenin 10mg injection. Transparency with your doctor regarding your medical history and medications is crucial to ensure frenin 10mg’s safe and proper use.

Uses of Frenin 10mg Injection

  • To treat low blood pressure

Therapeutic Effects of Frenin 10mg Injection

Frenin 10mg injection activates certain cells with α1-adrenergic receptors in our blood vessels, causing them to tighten. This tightening increases blood pressure and resistance in the blood vessels, which happens quickly after receiving the medication through your vein (intravenously). Frenin 10mg injection affects various blood vessel areas, including the kidneys, lungs, and abdomen.

Interaction of Frenin 10mg Injection with other drugs

Inform your doctor about any prescribed medications, over-the-counter medicines, nutritional or vitamin supplements, and herbal products you take or have taken before the treatment. Certain medications may interact with frenin 10mg injection and cause undesirable side effects. 

More Information about Frenin 10mg Injection

  • Store frenin 10mg injection below 25°C.
  • Protect from light.
  • Keep out of reach of children and pets.

How to consume Frenin 10mg Injection

Frenin 10mg injection is given only in hospital setup. Your healthcare provider gives it directly into your vein (intravenously). Your physician will decide the correct dosage and duration based on age, body weight, and disease condition.

Safety Advices for Frenin 10mg Injection

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Frenin 10mg injection can cause fetal harm when taken during pregnancy. Tell your physician if you are pregnant, planning to get pregnant, or think you may get pregnant before taking this medication.

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Breast Feeding


It is unknown whether frenin 10mg injection is excreted in breast milk. Tell your doctor if you are breastfeeding before taking this medication.

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It is unknown whether frenin 10mg injection is safe for patients with lung diseases. Inform your physician if you have any lung diseases before taking the medicine.

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The effects of liver disease may be intensified when injected with frenin 10mg due to the slower removal of the medicine from the body. Therefore, inform your doctor of any liver disorders before receiving this injection.

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Drinking alcohol while taking frenin 10mg injection can lead to severe adverse effects, including depression of the central nervous system (CNS). Using them together could make you feel drowsy and affect your thinking and coordination. Hence, it is not recommended to consume alcohol during this treatment. Consult your doctor for more advice.

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Frenin 10mg can cause dizziness in some patients. Do not drive or operate machines if you feel lightheaded during the treatment with this medication. Check with your doctor for more advice.

Side Effects of Frenin 10mg Injection

Side effects are unwanted symptoms caused by medicines. Even though all medicines cause side effects, not everyone gets them.


  • Serious allergic reaction with symptoms such as itching, rash, facial or throat swelling, breathing difficulties, or wheezing


  • Increased blood pressure
  • Increased heart rate
  • Difficulty sleeping
  • Vomiting
  • Headache
  • Difficulty in passing urine, inability to empty bladder
  • Shortness of breath
  • Enlarged pupils, which may make your vision blurry

Word of Advice

When taking frenin 10mg, it's important to remember a few key points for your well-being. If you are pregnant or breastfeeding, do not use this medication without your doctor's advice, as they can guide you on its safety for you and your baby. Additionally, avoid smoking while using frenin 10mg, as tobacco use can worsen its effects. Your overall health is a priority, so follow these guidelines and consult your healthcare provider if you have any concerns or questions about your medication.


Q 1. How quickly does frenin 10mg injection work, and how long do its effects last?

Frenin 10mg injections usually work rapidly, often within minutes of administration. The duration of its effects varies based on factors like dosage, individual response, and the medical condition being treated. Your healthcare provider can provide specific information about the expected duration of the medication's effects in your case.

Q 2. Can frenin 10mg injections interact with other medications?

Yes, frenin 10mg injections can interact with certain medications, including MAOIs (monoamine oxidase inhibitors) and some antidepressants. Inform your healthcare provider about all the medications, supplements, and herbal products you currently take to avoid potential interactions.

Q 3. Is frenin 10mg injection safe during pregnancy and breastfeeding?

This injection can cause fetal harm and congenital disabilities when taken during pregnancy. It's essential to consult your healthcare provider before using a frenin 10mg injection if you are pregnant or breastfeeding. They can assess the potential risks and benefits based on your situation and medical history.

Q 4. Can I receive a frenin 10mg injection if I have health conditions like heart problems or diabetes?

Your healthcare provider must know your complete medical history, especially if you have heart disease, diabetes, kidney problems, or thyroid disorders. Certain health conditions may affect the suitability of frenin 10mg injection for your case.

Q 5. What should I do if I experience severe side effects or an allergic reaction after receiving a frenin 10mg injection?

If you experience severe side effects like breathing difficulties, chest pain, or a severe headache, it's crucial to seek medical attention promptly. While allergic reactions are uncommon, they can be life-threatening. If you observe signs such as rash, itching, pronounced swelling, severe dizziness, or breathing problems, it's essential to obtain emergency medical assistance immediately.

Fact Box of Frenin 10mg Injection

Molecule Name: Phenylephrine hydrochloride

Therapeutic class: Anti-hypotensive drugs

Pharmacological class: α-1 adrenergic receptor agonist/

Indications: Hyopotention


  1. Amdipharm UK Limited Electronic medicines compendium (EMC), [Revised on Aug  2021], [Accessed on 16th Oct 2023],
  2. Éclat Pharmaceuticals, US Food, and Drug Administration (FDA), [Revised on Mar 2023] [Accessed on 16th Oct 2023],017lbl.pdf
  3. KD Tripathi, Essentials of Medical Pharmacology, Drugs Acting On Ans, 8th edition, 2019, 148.
  4. Goodman & Gilman’s, The Pharmacological Basis of Therapeutics, Adrenergic Agonists And Antagonists, 2018, 202


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