INTRODUCTION

FRENIN 10MG INJECTIONcontains Phenylephrine which belongs to the group of medicines called Anti-hypotensive agents. It is used in adults and children to relieve low blood pressure which may occur during an operation.

FRENIN 10MG INJECTION is not recommended for use in patients with high blood pressure, overactive thyroid (hyperthyroidism), prostatic enlargement. Consult your doctor before receiving it.

FRENIN 10MG INJECTION should be used with caution in patients with liver, kidney, heart disease, diabetes mellitus. Consult your doctor before receiving it.

FRENIN 10MG INJECTION should be used during pregnancy only if it is considered clearly necessary. It should be used with caution in breastfeeding women. Consult your doctor before using it.

FRENIN 10MG INJECTION should be used with caution in children and in elderly patients. Consult your doctor before receiving it. Inform your doctor if you experience any side effects after receiving FRENIN 10MG INJECTION.

USES OF FRENIN 10MG INJECTION

• To relieve low blood pressure

HOW FRENIN 10MG INJECTION WORKS

FRENIN 10MG INJECTION is an alpha-1 adrenergic agonist and after injection it produces peripheral vasoconstriction (narrowing of blood vessels), leading to increased blood pressure.

DIRECTIONS FOR USE

FRENIN 10MG INJECTION will be given to you only by a doctor as an injection into the muscle (intramuscular injection) or just under the skin (subcutaneous injection) or into a vein (intravenous injection). Your doctor will decide the correct dosage and duration for you depending on your age, body weight and disease condition.

SIDE EFFECTS OF FRENIN 10MG INJECTION

WARNING & PRECAUTIONS

PREGNANCY

FRENIN 10MG INJECTION should be used during pregnancy only if it is considered clearly necessary. Consult your doctor before receiving it.

FRENIN 10MG INJECTION should be used with caution in women with a history of pre-eclampsia (complicated pregnancy). Administration of FRENIN 10MG INJECTION in late pregnancy or labour may cause fetal hypoxia (decreased oxygen supply to unborn baby) and bradycardia (slow heart rate). Consult your doctor before receiving it.

BREASTFEEDING

FRENIN 10MG INJECTION should be used with caution in breastfeeding women as it is not known whether this medicine passes into breast milk. Consult your doctor before using it.

DRIVING AND USING MACHINES

FRENIN 10MG INJECTION does not affect your ability to drive or use machines. However, if you feel unwell you must contact your doctor before driving or operating machinery.

KIDNEY

FRENIN 10MG INJECTION should be used with caution in patients with kidney disease and may require dose adjustment. Consult your doctor before receiving it.

LIVER

FRENIN 10MG INJECTION should be used with caution in patients with liver disease and may require dose adjustment. Consult your doctor before receiving it.

HEART DISEASE

FRENIN 10MG INJECTION is not recommended for use in patients with high blood pressure. It should be used with caution in patients with heart conditions such as ischemic heart disease, arrhythmia (irregular heartbeats), angina pectoris (chest pain), partial heart block, occlusive vascular disease (poor blood circulation) or aneurysms (bulging of blood vessels) and serious heart failure. Consult your doctor before receiving it.

INTERACTIONS

A. Drug - Drug interactions:

Before receiving FRENIN 10MG INJECTION, inform your doctor if you are taking any of the following medicine:

• medicines used for depression (Ex. amitriptyline, iproniazid, nialamide, moclobemide, toloxatone, imipramine, milnacipran or venlafaxine)
• medicines used to treat high blood pressure, heart problems (Ex. atenolol, bisoprolol, lisinopril, furosemide, quinidine, losartan, spironolactone, nifedipine, reserpine, guanfacine, labetalol, guanethidine, digoxin)
• general anesthetics Ex. propofol, desflurane, enflurane, halothane, isoflurane, methoxyflurane, sevoflurane (medicines used in anesthesia)
• medicines used to treat attention-deficit hyperactivity disorder (ADHD) Ex. atomoxetine
• antimuscarinics (Ex. atropine) to treat slow heart rate
• lithium (used to treat depression or aggression)
• steroids (used to treat inflammatory conditions) Ex. hydrocortisone
• ergot alkaloids such as methylergonovine maleate (used to treat or prevent bleeding from the uterus)
• oxytocin (used to induce labor)
• alpha adrenergic antagonist Ex. doxazosin (used to treat benign prostate hypertrophy)
• phosphodiesterase Type 5 inhibitors Ex. sildenafil (used to treat erectile dysfunction)
• benzodiazepines (used to treat anxiety and panic disorders) Ex. alprazolam
• medicine used to treat bacterial infections (Ex. linezolid)
• medicines used to treat migraine (Ex. dihydroergotamine, ergotamine, methylergometrine, methylsergide)
• medicines used to treat Parkinson disease (Ex. bromocriptine, lisuride, pergolide)
• medicine used to inhibit the production of a hormone responsible of lactation (Ex. cabergoline)
• medicine used as an appetite suppressant (Ex. sibutramine)

Overdosage:

FRENIN 10MG INJECTION will be administered to you only by a doctor or a nurse in a hospital and so it is unlikely to receive an overdose. However, consult your doctor or nurse if you experience any unusual symptoms like headache, nausea, vomiting, high blood pressure, a fast or irregular heartbeat, confusion, a sensation of fullness in the head, tingling of the hands and feet, hallucinations and fits.

SYNOPSIS

MORE INFORMATION

• Keep FRENIN 10MG INJECTION out of reach of children
• Store either in a refrigerator or at room temperature (2°C - 25°C)

FAQs ABOUT FRENIN 10MG INJECTION

Q: Can FRENIN 10MG INJECTION be used in pregnancy?

A: FRENIN 10MG INJECTION should be used during pregnancy only if it is considered clearly necessary. FRENIN 10MG INJECTION should be used with caution in women with a history of pre-eclampsia (complicated pregnancy). Administration of FRENIN 10MG INJECTION in late pregnancy or labor may cause fetal hypoxia (decreased oxygen supply to unborn baby) and bradycardia (slow heart rate). Consult your doctor before receiving it.

Q: Who should not use FRENIN 10MG INJECTION?

A: FRENIN 10MG INJECTION is not recommended for use in patients with high blood pressure, overactive thyroid (hyperthyroidism), prostatic enlargement or of the anterior chamber of your eye is shallow, history of acute narrow angle glaucoma (acute increase of eye pressure) and allergic history to phenylephrine. Contact your doctor before receiving it.

Q: Is FRENIN 10MG INJECTION safe for heart patients?

A: FRENIN 10MG INJECTION should be used with caution in patients with heart conditions such as ischemic heart disease, arrhythmia (irregular heartbeats), angina pectoris (chest pain), partial heart block, occlusive vascular disease (poor blood circulation) or aneurysms (bulging of blood vessels) and serious heart failure. Consult your doctor before receiving it.

Q: How FRENIN 10MG INJECTION is given?

FRENIN 10MG INJECTION will be given to you only by a doctor as an injection into the muscle (intramuscular injection) or just under the skin (subcutaneous injection) or into a vein (intravenous injection). Your doctor will decide the correct dosage and duration for you depending on your age, body weight and disease condition.

Q: What are the side effects of FRENIN 10MG INJECTION?

A: The most common reported side effects of receiving FRENIN 10MG INJECTION during treatment are nausea, vomiting, headache, nervousness. Contact your doctor if any of the symptoms worsen.

REFERENCES

1. KD Tripathi. Adrenergic Transmission and Adrenergic Drugs. Essentials of medical pharmacology. Eighth Edition. 2019. Page – 148.

2. Young Hoon Park, Taeha Ryu, Seong Wook Hong, Kyung Hwa Kwak, Si Oh Kim. The effect of the intravenous phenylephrine on the level of spinal anesthesia. NIH National Library of Medicine, National Center for Biotechnology Information. PubMed Central. November 2011. [Accessed on 22nd August 2022] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3229014/

3. Paul J Desjardins and Roger G Berlin. Efficacy of phenylephrine. NIH National Library of Medicine, National Center for Biotechnology Information. PubMed Central. July 2007. [Accessed on 22nd August 2022] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2048561/

4. Amdipharm UK Limited. Electronic Medicines Compendium (EMC). [Revised in August 2021] [Accessed on 22nd August 2022] https://www.medicines.org.uk/emc/files/pil.5577.pdf https://www.medicines.org.uk/emc/product/5577/smpc

5. LABORATOIRE AGUETTANT. Electronic Medicines Compendium (EMC). [Revised in November 2015] [Accessed on 22nd August 2022] https://www.medicines.org.uk/emc/files/pil.1970.pdf, https://www.medicines.org.uk/emc/product/1970/smpc

6. Fresenius Kabi. Phenylephrine. [Revised in March 2018] [Accessed on 22nd August 2022] http://editor.fresenius-kabi.us/PIs/US-PH-Phenylephrine_FK-451580_Mar_2018-PI.pdf

AUTHOR DETAILS

Written By Dr. N. Sai Swaroop, Pharm.D
Last updated on 13 Jan 2023 | 04:14 PM(IST)