Examples
| Generic Name | Brand Name |
|---|
| oxymetazoline hydrochloride | Afrin, Sinex Nasal Spray |
| phenylephrine hydrochloride | Neo-Synephrine, Dristan Nasal Mist |
| pseudoephedrine hydrochloride | Sudafed |
| xylometazoline hydrochloride | Otrivin |
These products are available as nasal sprays, nose drops, tablets,
and liquids.
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). You can develop a dependence on
the spray medication to avoid this 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.
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 non-prescription 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 (salt water) nasal sprays may also help clear up a stuffy
nose. Also, you can treat a stuffy nose with
salt
water nasal washes (saline lavage or irrigation). Both are available at
pharmacies without a prescription.
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to help you understand this medication.