Do not use oxymetazoline nasal if you have taken a monoamine oxidase (MAO)
inhibitor such as isocarboxazid (Marplan), phenelzine (Nardil), or tranylcypromine (Parnate) in
the last 14 days.
Although drug interactions between topical nasal decongestants and drugs taken by mouth
are not expected, they can occur. Rarely, oxymetazoline nasal may interact with the following
medicines:
furazolidone (Furoxone);
guanethidine (Ismelin);
indomethacin (Indocin);
methyldopa (Aldomet);
bromocriptine (Parlodel);
caffeine in cola, tea, coffee, chocolate and other products;
tricyclic antidepressants such as amitriptyline (Elavil,
Endep), doxepin (Sinequan), and nortriptyline (Pamelor);
other commonly used tricyclic antidepressants,
including amoxapine (Asendin), clomipramine (Anafranil), desipramine (Norpramin),
imipramine (Tofranil), protriptyline (Vivactil), and trimipramine (Surmontil);
phenothiazines such as chlorpromazine (Thorazine),
thioridazine (Mellaril), and prochlorperazine (Compazine); and
other commonly used phenothiazines, including
fluphenazine (Prolixin), perphenazine (Trilafon), mesoridazine (Serentil), and trifluoperazine
(Stelazine).
Drugs other than those listed here may also interact with
oxymetazoline nasal. Talk to your doctor and pharmacist before taking any prescription or
over-the-counter medicines.
If you experience any of the following serious side effects, stop using oxymetazoline
nasal and seek emergency medical attention:
an allergic reaction (difficulty breathing; closing of your throat;
swelling of your lips, tongue, or face; or hives);
seizures;
unusual behavior or hallucinations; or
an irregular or fast heartbeat.
More commonly, you may experience some sneezing or burning,
stinging, dryness, or irritation of the nose. These side effects are usually mild and temporary.
Side effects other than those listed here may also occur. Talk to your doctor about any
side effect that seems unusual or that is especially bothersome.