What is phenylephrine?
Phenylephrine is a type of active substance ofsympathomimetic amine (direct agonist of the sympathetic system) and vasoconstriction, which has the characteristic of being vasopressor, dilating and decongestant.
Note: Phenylephrine is applicable in different treatments indicated by a specific doctor, since its functions extend to various conditions or particular conditions.
What is phenylephrine for?
- Phenylephrine is a vasoconstrictor (which promotes constriction in blood vessels) adrenergic agonist, that is, it has an effect similar to theadrenalineh ormone and balances peripheral resistance without having a direct activity before the central nervous system.
- It is used to treat:
Dosage and routes of administration of phenylephrine
Phenylephrine hydrochloride comes as aform of intravenous, intramuscular, or subcutaneous solutions for injection, always from a trained medical professional. The doses in which it is usually administered in adults are the following for informational purposes:
- Intravenous: One injection of 0.2 mg to a maximum of 0.5 mg.
- Intramuscular or subcutaneous: Injections ranging from 1 mg to 5 mg maximum. The initial doses indicated are always 2 mg.
To highlight: Phenylephrine can take from 10 minutes to 15 minutes to fully act on the system when they are intramuscular or subcutaneous injections, but they have a long duration of 1 to 2 hours.
What products contain phenylephrine?
Some of the medicines that contain phenylephrine are:
- Phenylephrine®.
- Laritol D®.
- It will feel®.
- Agrifen®
Phenylephrine®
- Phenylephrin® is a vasoconstriction medication , marketed by Rinque Pharma laboratories . (two)
- It is administered by solution intravenously, subcutaneously, intramuscularly and also injectable glucose solution.
- It is composed of phenylephrine hydrochloride and is also a sterile vehicle for sodium chloride. (3)
Laritol D®
- Laritol D® is a commercial product manufactured by Maver Products Laboratories . (4)
- It is made with the active compounds of phenylephrine and loratadine , adding Antihistamine Characteristics , ideal for Runny Nose and rhinitis.
- It is in the form of a syrup with an oral administration route .
It will feel®
- Sensibit® is a commercial medicine made by Liomont Laboratories . (5)
- It is a drug manufactured with the diversity of metabolites that are phenylephrine, paracetamol and loratadine.
- It works to Relieve the Flu, Runny Nose, Headaches, and also excess mucus or nasal congestion.
Agrifen®
- agrifen® is a commercial product from the PiSA laboratories line . (6)
- It is a mixture of the metabolites of paracetamol, chlorphenamine, phenylephrine and caffeine, being antipyretic and also an effective analgesic .
- It becomes fully absorbed in about 30 minutes to 1 hour and works for nasal congestion and fever .
- For more information about this medicine, see Agrifen: What is it and what is it used for? .
Phenylephrine Side Effects
Phenylephrine is a well-tolerated substance in the body, however, like many drugs, it can cause moderate or peculiar adverse reactionstag. Among the side effects of phenylephrine are the following:
- Tachycardia.
- Vertigo.
- Urinary retention .
- sweating
Important: If you experience any of the effects mentioned above or one not included in the list, stop using the medication and consult a health professional.
Contraindications and warnings of phenylephrine
Due to certain unwanted interactions, phenylephrine is contraindicated in a certain number of patients, who may react negatively to treatment with this drug. Therefore, it is not recommended in the following cases:
- Pediatric patients.
- Hypersensitivity to the medical formula.
- Increased blood pressure.
- Hyperthyroidism
- Renal insufficiency.
- Heart failure.
- Pregnancy.
Avoid if you have:
- Diabetes mellitus.
- constant tachycardia.
- Arrhythmias.
- Closed-angle glaucoma.
Warnings:
- Phenylephrine should always be administered under the supervision of a specialist doctor.
- Keep this medicine out of the reach of children.
- This drug should be kept in a dry and cool place.
- Phenylephrine should not be used in patients with cerebrovascular disease or recent brain hemorrhage.
University Professional in the area of Human Resources, Postgraduate in Occupational Health and Hygiene of the Work Environment, 14 years of experience in the area of health. Interested in topics of Psychology, Occupational Health, and General Medicine.