Examples
| Generic Name | Brand Name |
|---|
| oxymetazoline hydrochloride | Afrin |
| phenylephrine hydrochloride | Neo-Synephrine |
| pseudoephedrine hydrochloride | Sudafed |
These products are available as nasal sprays, nose drops,
tablets, and liquids.
In some states, medicines containing pseudoephedrine (such
as Sudafed) are kept behind the pharmacist's counter or require a prescription.
You may need to ask the pharmacist for it or have a prescription from your
doctor to buy the medicine.
How It Works
Decongestants reduce swelling of the
mucous membrane in the nose and sinuses associated
with
sinusitis by constricting blood vessels and reducing
the blood supply to nasal mucous membranes. This reduces nasal congestion,
stuffiness, and runny noses.
Unlike oral decongestants, nasal
decongestants constrict blood vessels only in the nose and not in other parts
of the body; therefore, they rarely cause the side effects that oral
decongestants do. Unfortunately, use of nasal decongestants is safe only for a
short period of time, because their use can lead to further swelling of the
sinus membranes as they wear off, creating more congestion, which in turn
requires higher doses of medication (called
rebound congestion).
Why It Is Used
Decongestants are used to treat
symptoms caused by nasal blockage and sinusitis. They may be used along with
antibiotics and home treatment.
How Well It Works
Decongestants do not cure sinusitis,
but they may reduce symptoms.1
Nasal
sprays cannot reach the mucous membranes deeper in the nose and inside the
sinuses. Oral decongestants may be necessary to reduce swelling in these
areas.
Side Effects
If a nasal decongestant spray is used
more often, at higher doses, or for a longer time than is recommended, rebound
congestion may occur.
Side effects of decongestants may
include:
- Reduced movement of
mucus out of the nose
(ciliostasis).
- Decreased blood flow to the mucous membrane in the
nose and sinuses, reducing the speed at which antibiotics get into the
sinuses.
- Increased blood
pressure.
- Dizziness.
- Nervousness or
irritability.
- Trouble sleeping (insomnia).
See Drug Reference for a full list of side effects. (Drug
Reference is not available in all systems.)
What To Think About
Nasal sprays containing
decongestants should not be used for more than 3 days in a row. If used for
longer periods, you may have rebound congestion.
Avoid
decongestant medications that contain
antihistamines unless your doctor specifically
recommends them.
Avoid taking too much of a decongestant because
it can cause
high blood pressure, nervousness, kidney failure,
heart rhythm disturbances, strokes, and seizures. Commonly used decongestants
have little effect on blood pressure when used as directed. Talk with your
health professional first before using decongestants if you have uncontrolled
high blood pressure.
Avoid taking two medications that contain
decongestants at the same time because of possible overdose. Many
nonprescription preparations for other health problems, such as some diet
pills, contain decongestants.
Talk to your health professional
before using decongestants if you have problems with blood flow to the heart
(ischemic heart disease),
diabetes, or thyroid problems. Also, talk with your
ophthalmologist before using decongestant medications
if you have
glaucoma or other conditions that cause increased
pressure inside the eye. Before prescribing a decongestant, your health
professional will want to know whether you are taking tricyclic antidepressants
or monoamine oxidase inhibitors (MAOIs), which are sometimes used to treat
depression and
migraine headaches.
Saline (saltwater)
nasal sprays may also help clear up a stuffy nose. Also, you can treat a stuffy
nose with
saltwater nasal washes (saline lavage or irrigation).
Both are available at pharmacies without a prescription.
Do not
give decongestants to a child younger than 2 unless you've checked with the
doctor first. If your child’s doctor tells you to give a medicine, be sure to
follow what he or she tells you to do. Using
saline drops or a
humidifier may help thick or dried mucus to drain. To
remove mucus from your baby’s nose, use a suction bulb to gently suction the
mucus out. These are safer ways to treat your baby's stuffy nose.
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