PHENYLEPHRINE

Phenylephrine medication is used primarily as a decongestant to relieve nasal congestion by constricting blood vessels in the nasal passages. It can also be used to increase blood pressure in certain medical conditions.

Phenylephrine is a medication used as a decongestant and vasopressor. Here is a detailed description:

Chemical Name: (R)-3-[(1-Hydroxy-2-methylaminoethyl)phenol]

Molecular Formula: C9H13NO2

Mechanism of Action:

Decongestant: Phenylephrine reduces nasal congestion by constricting blood vessels in the nose, sinuses, and eyes.
Vasopressor: Phenylephrine increases blood pressure by constricting blood vessels.

Indications:

Nasal congestion due to colds, allergies, or sinusitis
Sinus pressure and congestion
Eye redness and itching
Low blood pressure (hypotension)

Pharmacokinetics:

Absorption: Rapidly absorbed after oral administration
Distribution: Widely distributed throughout the body
Metabolism: Metabolized in the liver
Excretion: Excreted in the urine

Side Effects:

Headache
Dizziness
Nausea
Vomiting
Increased heart rate
Increased blood pressure

Contraindications:

Hypersensitivity to Phenylephrine
High blood pressure (hypertension)
Heart disease
Thyroid problems
Prostate enlargement

Dosage:

Oral: 10-20 mg, every 4-6 hours
Injection: 2-5 mg, every 1-2 hours

Forms:

Tablets
Capsules
Liquid
Injection
Eye drops
Nasal spray

Please note that this information is not a substitute for medical advice. If you have any questions or concerns about Phenylephrine or any other medication, please consult a healthcare professional.