Brand name:
Sinequan
Pronounced: SIN-uh-kwan
Generic name:
Doxepin hydrochloride
Why is Sinequan prescribed?
Sinequan is used in the treatment of depression and anxiety. It
helps relieve tension, improve sleep, elevate mood, increase energy,
and generally ease the feelings of fear, guilt, apprehension, and
worry most people experience. It is effective in treating people
whose depression and/or anxiety is psychological, associated with
alcoholism, or a result of another disease (cancer, for example) or
psychotic depressive disorders (severe mental illness). It is in the
family of drugs called tricyclic antidepressants.
Most important fact about Sinequan
Serious, sometimes fatal, reactions have occurred when Sinequan
is used in combination with drugs known as MAO inhibitors, including
the antidepressants Nardil and Parnate. Any drug of this type should
be discontinued at least 2 weeks prior to starting treatment with
Sinequan, and you should be carefully monitored by your doctor.
If you are taking any prescription or nonprescription drugs,
consult your doctor before taking Sinequan.
How should you take Sinequan?
Take Sinequan exactly as prescribed. It may take several
weeks for you to feel better.
--If you miss a dose...
If you are taking several doses a day, take the missed dose as
soon as you remember, then take any remaining doses for that day at
evenly spaced intervals. 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.
If you are taking a single dose at bedtime and do not remember
until the next morning, skip the dose. Do not take a double dose to
make up for a missed one.
--Storage instructions...
Store at room temperature.
Sinequan 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 Sinequan.
- Side effects may include:
Blurred vision,
constipation,
dizziness,
drowsiness,
dry mouth,
itchy or scaly skin (pruritus),
light sensitivity,
low blood pressure,
nausea,
rapid or irregular heartbeat,
rash,
trouble urinating,
water retention
Why should Sinequan not be prescribed?
If you are sensitive to or have ever had an allergic reaction to
Sinequan or similar antidepressants, you should not take this
medication. Make sure that your doctor is aware of any drug
reactions that you have experienced.
Unless you are directed to do so by your doctor, do not take this
medication if you have the eye condition known as glaucoma or
difficulty urinating.
Special warnings about Sinequan
In clinical studies, antidepressants increased the risk of
suicidal thinking and behavior in children and adolescents with
depression and other psychiatric disorders. Anyone considering the
use of Sinequan or any other antidepressant in a child or adolescent
must balance this risk with the clinical need. Sinequan is not
approved for treating anyone less than 12 years old.
Additionally, the progression of major depression is associated
with a worsening of symptoms and/or the emergence of suicidal
thinking or behavior in both adults and children, whether or not
they are taking antidepressants. Individuals being treated with
Sinequan and their caregivers should watch for any change in
symptoms or any new symptoms that appear suddenly--especially
agitation, anxiety, hostility, panic, restlessness, extreme
hyperactivity, and suicidal thinking or behavior--and report them to
the doctor immediately. Be especially observant at the beginning of
treatment or whenever there is a change in dose.
Sinequan may cause you to become drowsy or less alert; driving or
operating dangerous machinery or participating in any hazardous
activity that requires full mental alertness is not recommended.
Notify your doctor or dentist that you are taking Sinequan if you
have a medical emergency, and before you have surgery or dental
treatment.
Possible food and drug interactions when taking Sinequan
Alcohol increases the danger in a Sinequan overdose. Do not drink
alcohol while taking Sinequan.
Never combine Sinequan with drugs known as MAO inhibitors.
Medications in this category include the antidepressants Nardil and
Parnate.
If you are switching from Prozac, wait at least 5 weeks after
your last dose of Prozac before starting Sinequan.
If Sinequan 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 Sinequan with
the following:
Antidepressants that act on serotonin, such as Celexa, Lexapro,
Prozac, Zoloft, and Paxil
Other antidepressants such as Elavil and Serzone
Carbamazepine (Tegretol)
Cimetidine (Tagamet)
Clonidine (Catapres)
Flecainide (Tambocor)
Guanethidine (Ismelin)
Major tranquilizers such as Compazine, Mellaril, and Thorazine
Propafenone (Rythmol)
Quinidine (Quinidex)
Tolazamide (Tolinase)
Special information if you are pregnant or breastfeeding
The effects of Sinequan during pregnancy have not been adequately
studied. If you are pregnant or planning to become pregnant, inform
your doctor immediately. Sinequan may appear in breast milk and
could affect a nursing infant. If Sinequan is essential to
your health, your doctor may advise you to discontinue breastfeeding
your baby until your treatment is finished.
Recommended dosage for Sinequan
ADULTS
Overdosage
An overdose of Sinequan can be fatal. If you experience any of
these symptoms, seek medical attention immediately.
- Symptoms of Sinequan overdose may include:
Agitation,
coma,
confusion,
convulsions,
dilated pupils,
disturbed concentration,
drowsiness,
hallucinations,
high or low body temperature,
irregular heartbeat,
overactive reflexes,
rigid muscles,
severely low blood pressure,
stupor,
vomiting
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