Depression
Drug treatments for depression
Individuals who don't receive treatment for depression often remain depressed
much longer than people who do. Even more important are the personal and
financial costs associated with untreated depression as it interferes with work,
family, relationships, and nearly all aspects of a person's life. In addition,
the risk of suicide remains high in people whose
depression isn't treated.
Effective treatment of depression involves medication and/or
psychotherapy. Its success depends on:
- The depressed person's optimism
- The number and types of stressors present
- The severity and frequency of depressive symptoms
- How long the person has been depressed
- The results of previous treatments
- The support of family, friends, and colleagues
It may take time to find the best possible treatment. This is because
effective treatment solutions involve establishing a therapeutic and
trusting relationship between the therapist and the depressed person: it
takes time to build this rapport. In addition, various treatments in
combination may need to be tried before an effective solution is found.
Medication
Determining the most effective prescription and taking medications as
directed are both very important in the treatment of depression. An open
discussion with your physician and pharmacist is key to learning about
your medication and its effects on your mood. It may take time to
identify the best type of medication and the most effective dosage.
Similarly, it make take several weeks before the medication takes effect
and you begin to see improvements in your mood. Some medications may
cause side effects, but these usually improve within a few weeks.
Antidepressants
By increasing the amount of certain chemicals in the brain, antidepressants
are used to reverse depressive symptoms and to stabilize mood. Antidepressants
are generally considered non addictive. It may take between 2 and 5 weeks
before you notice significant improvement in your mood, although in some
patients, this period of adjustment may be shorter.
There are three main types of antidepressants: new age antidepressants,
tricyclic antidepressants, and monoamine oxidase inhibitors (MAOI).
New generation antidepressants
Very specific antidepressants are now available. These carry fewer
and milder side effects that other types of antidepressants.
Sepecific serotonin re-uptake inhibitors (SSRI)
Now standard antidepressants, specific serotonin re-uptake
inhibitors have also proven useful in the treatment of anxiety.
Common side effects of new generation antidepressants include:
- nausea and vomiting
- headache
- drowsiness
- dry mouth
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- weakness and fatigue
- dizziness
- sexual dysfunction
|
Many of these side effects are present only at the beginning of
treatment and many new antidepressant with more specific actions and
fewer side effects are continually being introduced.
| Generic Name |
Trade Name |
| Fluoxetine |
Prozac |
| Fluvoxamine |
Luvox |
| Paroxetine |
Paxil |
| Sertraline |
Zoloft |
| Nefazodone |
Serzone |
| Venlafaxine |
Effexor |
Tricyclic antidepressants
Developed in 1958 by Swiss scientists looking for a successful way to treat
schizophrenia, imipramine, released under the brand name Tofranil, signalled a
new line of defense against encroaching depression: tricyclics. As it happened,
imipramine was not all that effective in the treatment of
schizophrenia; it did,
however, greatly improve depressed patients' mood.
In other words, prior to the development and release of tricyclics over a half
century ago, psychiatrists had very few choices when it came to treating severely
depressed patients. They could choose amphetamines or convulsive (electroshock)
therapy.
The oldest and until recently, the most commonly prescribed antidepressants,
tricyclic antidepressants are used less often today because of their side effects.
For instance, older tricyclic antidepressants used for treating bipolar disorder
may be more likely to trigger a manic episode than other depression drugs. This
is because tricylic antidepressants work by increasing levels of serotonin and
norepinephrine in the brain; however, because these medications increase the risk
of mania, they are not always recommended for bipolar disorder. What's more,
the FDA concluded, in 2004, that antidepressant medications increase the risk
of suicidal thinking and behavior in children and adolescents affected by
depression and other psychiatric disorders.
Although a less popular choice than today's new generation of antidepressants,
tricyclics are still an important tool for patients who do not respond to other
types of medications.
| Generic Name |
Trade Name |
|
Amitriptyline
|
Elavil, Levate, Novopriptyn
|
|
Doxepin
|
Sinequan, Tridapin
|
|
Desipramine
|
Norpramin
|
|
Trimipramine
|
Surmontil
|
|
Imipramine
|
Tofranil, Impril, Novopramine
|
|
Nortiptyline
|
Aventyl
|
|
Protriptyline
|
Triptil
|
|
Clomipramine
|
Anafranil
|
Similar to tricyclic antidepressants, the following are also used
to treat depression.
| Generic Name |
Trade Name |
|
Trazadone
|
Desyrel
|
|
Amoxapine
|
Asendin
|
|
Maprotiline
|
Ludiomil
|
Common side effects of antidepressants include:
- drowsiness
- weakness and fatigue
- blurred vision
- difficulty urinating and/or constipation
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- increased heart rate
- impaired memory
- dry eyes and/or dry mouth
- dizziness and/or lightheadedness
|
Monoamine oxidase inhibitors (MAOI)
Prescribed when other antidepressants have not been successful, monoamine
oxidase inhibitors are not routinely used because they are known to cause
adverse interactions with other drugs and certain foods. If your doctor
prescribes an MAOI for you, he or she will also provide you with a list
of foods, beverages, and other medications to avoid.
| Generic Name |
Trade Name |
|
Phenelzine
|
Nardil
|
|
Tranyleypromine
|
Parnate
|
Known as a RIMA—a reversible inhibitor of monoxamine oxidase A,
Moclobemide (Manerix) is a relatively new drug that is very specific in how
it works. Unlike other MAOIs, Moclobemide doesn't require that patients
follow a special diet.
There are also other drugs that can help boost the effectiveness of
antidepressant treatments. These drugs include L-Tryptophan (Tryptan), Buspiron
(Buspan),and Pindolol (Visken).
Tranquiliziers and sedatives
Tranquilizers such as Valium, Serax, Ativan, or Rivotril are used
to ease anxiety. Usually prescribed for short-term, intermittent use
because they may be habit forming, sedatives are used to ease depressive
symptoms during the short time you are waiting for antidepressants to
take effect.
Antipsychotics
By supplementing mood stabilizers and often needed in large doses
for temporary use or in smaller doses for longer-term use, antipsychotic
medications, because of their side effects, must be carefully monitored.
Common side effects of antipsychotics include:
- drowsiness
- dry mouth
- blurred and/or double vision
- loss of balance
- muscle weakness and/or muscle spasms
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- Stiff arms and/or legs
- Tremors
- Restlessness and a need to keep moving
- Shuffling walk
- Weight gain
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Lithium
Most commonly used to treat bipolar disorder (also called manic depression),
lithium is also known to be effective in the treatment of depression. Lithium
is believed to affect nerve conduction in the brain. Its effect is felt in
about 10 to 14 days, and the troublesome side effects will likely occur in the
first few weeks before they diminish. These side effects include:
- thirst
- increased urination and/or diarrhea
- nausea
- trembling fingers and/or hands
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- fatigue
- lightheadedness
- weight gain
- swelling, particularly in the hands and feet
|
Because long-term use of lithium can affect the kidneys and thyroid
gland, your doctor will want to check your renal and thyroid function
regularly.
Anti-convulsants
By affecting electrical activity in the brain, anti-convulsants
are commonly used in the treatment of epilepsy and other disorders
that cause seizures. However, because they help stabilize mood,
certain types of anti-convulsants such as Valproic Acid (Depakene,
Epival) and Carbamazepine (Tegretol) are useful in the treatment of
depression.
Taking medication is important
It's estimated that between 10 and 60 percent of patients stop
taking prescribed medication at some point during treatment of
their depression. There are many reasons for this.
Forgetting
Some people simply forget because taking medication is not
part of a regular routine. Taking medication should become a
regular habit. Try to make taking your medication a part of your
daily routine. Keep medications in a convenient place so it's
there when you need it. If you take several pills or medications
every day, a dosette can help organize your medications.
Be sure to ask your doctor or pharmacist what to do if you
forget to take your medication and miss a dose. Don't assume you
can simply "double up" and take two pills at your next dose: the
effects can be harmful.
Not accepting the illness
Other patients refuse their medication because it is a reminder
of their illness—one they haven't yet accepted. These
patients may want medication to be a cure rather than simply a
treatment.
Uncomfortable side effects
Some patients may not take their medications because of the
uncomfortable side effects they cause. People commonly experience
dry mouth, fatigue, nausea, and weight gain. Not taking medication
or failing to take it as prescribed is not the answer to undesirable
side effects. Instead, talk to your doctor or health care professional.
By changing your medication, the dosage, or by treating these side
effects, they can be reduced or eliminated.
While you may attribute such things as lethargy, fatigue, and confusion
to your depressive illness, these may actually be the result of serious
side effects or drug interactions. Some medications are potentially
dangerous when combined with other drugs, alcohol, or certain foods.
Keep your use of over-the-counter medications to a minimum and be
sure to talk to your doctor about the possible side effects of your
medication.
Confusion
An irregular schedule, a chaotic lifestyle, living with a number
of medical conditions, stress, taking multiple medications—all
of these can make a person feel confused or disoriented.
Complacency
If it's been some time since the last depressive episode, it's
easy to feel a false sense of confidence or security. You may feel
you are better or cured—that you no longer need medication.
Failing to take medication or not taking it as prescribed can
cause a relapse of depressive symptoms. For this reason, be
sure to talk to your doctor or health care professional before trying
any change or in the event you choose to discontinue your medication.
Read labels and special instructions carefully. Some medications must
be taken at certain times, some with food, and others on an empty
stomach. If the instructions are unclear, be sure to ask your doctor
or pharmacist for clarification.
Keeping a drug profile
As part of your treatment, your doctor or health care professional
may have you keep track of your medication. A drug profile is a list of
all the prescription medications and over-the-counter medications you
take on a regular basis and includes:
- the name of the medication and the dosage
- the reasons you take it
- when you take it
- who prescribed it
- whether it is/was effective
- any side effects associated with it
This drug profile will help all those involved in your health care.
For instance, it provides a clear record of all the drugs and combinations
of drugs you have tried in the past, whether they were effective, and
any side effects. This information will be particularly useful if you
change physicians.