Combination of | |
---|---|
Naphazoline | Vasoconstrictor |
Pheniramine | Antihistamine |
Clinical data | |
Trade names | Naphcon-A, Opcon-A, Visine-A, others |
AHFS/ Drugs.com | Multum Consumer Information |
Routes of administration | Eye drop |
Legal status | |
Legal status |
|
Identifiers | |
CAS Number |
Naphazoline/pheniramine, sold under the brand name Naphcon-A among others, is a combination eye drop used to help the symptoms of allergic conjunctivitis such as from hay fever. [2] It contains naphazoline and pheniramine. [2] [1] It is used as an eye drop. [1] Use is not recommended for more than three days. [3]
Side effects may include allergic reactions, eye pain, and dilated pupils. [2] [4] [3] It is unclear if use in pregnancy is safe. [1] Nephazoline works by resulting in constriction of blood vessels thus decreasing redness while pheniramine works by blocking the effects of histamine to stop itching. [1]
The combination was approved for medical use in the United States in 1994. [5] [6] [1] It is available over the counter. [5] [6] [2] In 2017, it was the 203rd most commonly prescribed medication in the United States, with more than two million prescriptions. [7] [6]
It is administered topically with one to two drops applied to the affected eye(s) up to four times daily. [2]
Combination of | |
---|---|
Naphazoline | Vasoconstrictor |
Pheniramine | Antihistamine |
Clinical data | |
Trade names | Naphcon-A, Opcon-A, Visine-A, others |
AHFS/ Drugs.com | Multum Consumer Information |
Routes of administration | Eye drop |
Legal status | |
Legal status |
|
Identifiers | |
CAS Number |
Naphazoline/pheniramine, sold under the brand name Naphcon-A among others, is a combination eye drop used to help the symptoms of allergic conjunctivitis such as from hay fever. [2] It contains naphazoline and pheniramine. [2] [1] It is used as an eye drop. [1] Use is not recommended for more than three days. [3]
Side effects may include allergic reactions, eye pain, and dilated pupils. [2] [4] [3] It is unclear if use in pregnancy is safe. [1] Nephazoline works by resulting in constriction of blood vessels thus decreasing redness while pheniramine works by blocking the effects of histamine to stop itching. [1]
The combination was approved for medical use in the United States in 1994. [5] [6] [1] It is available over the counter. [5] [6] [2] In 2017, it was the 203rd most commonly prescribed medication in the United States, with more than two million prescriptions. [7] [6]
It is administered topically with one to two drops applied to the affected eye(s) up to four times daily. [2]