Brand name:
Semprex-D
Pronounced: SEM-precks-D
Generic
ingredients: Acrivastine, Pseudoephedrine hydrochloride
Why is Semprex-D prescribed?
Semprex-D is an antihistamine and decongestant drug that relieves
sneezing, running nose, itching, watery eyes, and stuffy nose caused
by seasonal allergies such as hay fever.
Most important fact about Semprex-D
Semprex-D may cause drowsiness. Do not drive or operate dangerous
machinery or participate in any hazardous activity that requires
full mental alertness until you know how you react to this
medication.
How should you take Semprex-D?
Take Semprex-D exactly as prescribed by your doctor. Do not take
more of Semprex-D or use it more often than your doctor recommends.
--If you miss a dose...
Take it as soon as you remember. If it is almost time for your
next dose, skip the one you missed and go back to your regular
schedule. Never take 2 doses at the same time.
--Storage instructions...
Store at room temperature in a dry place; protect the drug from
light.
Semprex-D side effects
Side effects cannot be anticipated. If any develop or change in
intensity, inform your doctor as soon as possible. Only your doctor
can determine if it is safe for you to continue taking Semprex-D.
- Side effects may include:
Cough,
dizziness,
drowsiness,
dry mouth,
headache,
indigestion,
menstrual problems,
nausea,
nervousness,
skin eruptions,
sleeplessness,
sore throat,
weakness,
wheezing
Severe allergic reactions are rare. There have been isolated
reports of swelling of the throat, lips, neck, face, hands, or feet.
Pseudoephedrine, one of the ingredients of Semprex-D, has also been
known to cause rapid or fluttery heartbeat.
Why should Semprex-D not be prescribed?
You should not take Semprex-D if you are sensitive to or have
ever had an allergic reaction to acrivastine, pseudoephedrine, or
similar drugs such as Actifed, Dimetane, Trinalin, or Seldane-D.
Make sure your doctor is aware of any drug reactions you have
experienced.
Avoid using Semprex-D if you have extremely high blood pressure
or severe heart problems.
Do not take Semprex-D within 14 days of taking any drug known as
an MAO inhibitor, including the antidepressants Nardil and Parnate.
Special warnings about Semprex-D
Use Semprex-D with caution if you have high blood pressure,
diabetes, heart problems, peptic ulcer or other stomach problems, or
an enlarged prostate gland. Use Semprex-D with care, too, if you
have increased eye pressure, an overactive thyroid gland, or kidney
disease. Make sure the doctor has taken these conditions into
account.
Antihistamines are more likely to cause dizziness, extreme calm
(sedation), bladder obstruction, and low blood pressure in the
elderly (over age 60). The elderly are also more likely to have more
side effects from the decongestant (pseudoephedrine) in Semprex-D.
Possible food and drug interactions when taking Semprex-D
If Semprex-D is taken with certain other drugs, the effects of
either could be increased, decreased, or altered. It is especially
important to check with your doctor before combining Semprex-D with
the following:
Alcoholic beverages
Blood pressure medications such as Inderal and Lopressor
MAO inhibitors, including the antidepressants Nardil and Parnate
Other antihistamines such as Actifed, Seldane-D, and Entex
Other decongestants such as Quibron and Rynatan
Special information if you are pregnant or breastfeeding
The effects of Semprex-D during pregnancy have not been
adequately studied. If you are pregnant or plan to become pregnant,
tell your doctor immediately.
It is not known whether acrivastine appears in breast milk, but
pseudoephedrine does. If the drug is essential to your health, your
doctor may tell you to stop nursing until your treatment is
finished.
Recommended dosage for Semprex-D
ADULTS
Overdosage
Although there have been few reports of overdosage with
Semprex-D, overdosage with similar drugs has caused a variety of
serious symptoms. If you suspect an overdose of Semprex-D, seek
medical attention immediately.
- Symptoms of overdose may include:
Anxiety,
convulsions,
difficult breathing,
drowsiness,
fear,
hallucinations,
heart failure with low blood pressure,
irregular heartbeat,
loss of consciousness,
painful urination,
paleness,
restlessness,
sleeplessness,
tenseness,
trembling,
weakness
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