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Nyquil Sinus Generic Name & Formulations
Legal Class
OTC
General Description
Acetaminophen 325mg, doxylamine succinate 6.25mg, phenylephrine HCl 5mg; per liquiCap.
Pharmacological Class
Analgesic + antihistamine + sympathomimetic.
How Supplied
LiquiCaps—12, 20
Manufacturer
Nyquil Sinus Indications
Indications
Sinus pain, congestion, rhinorrhea, sneezing, headache.
Nyquil Sinus Dosage and Administration
Adult
2 caps every 4 hours; max 6 doses/24 hours.
Children
Not recommended.
Nyquil Sinus Contraindications
Contraindications
During or within 14 days of MAOIs. Concomitant other acetaminophen products.
Nyquil Sinus Boxed Warnings
Not Applicable
Nyquil Sinus Warnings/Precautions
Warnings/Precautions
Hepatic dysfunction. Cardiovascular disease. Hypertension. GI or GU obstruction. Glaucoma. Thyroid disease. Diabetes. Asthma. Lower respiratory disorders. Pregnancy. Nursing mothers.
Nyquil Sinus Pharmacokinetics
See Literature
Nyquil Sinus Interactions
Interactions
See Contraindications. Hypertensive crisis with MAOIs. Increased risk of hepatotoxicity with ≥3 alcoholic drinks/day; avoid. β-blockers increase pressor effects of sympathomimetics. Antagonizes antihypertensives. Increased CNS effects with other CNS depressants.
Nyquil Sinus Adverse Reactions
Adverse Reactions
Drowsiness, nervousness, dizziness, insomnia, anticholinergic effects, excitability in children, hepatotoxicity (overdosage).
Nyquil Sinus Clinical Trials
See Literature
Nyquil Sinus Note
Not Applicable
Nyquil Sinus Patient Counseling
See Literature
