Panic Disorder

Panic disorder is an anxiety disorder characterized by recurring severe panic attacks. It may also include significant behavioral change lasting at least a month and of ongoing worry about the implications or concern about having other attacks. The latter are called anticipatory attacks (DSM-IVR). Panic disorder is not the same as agoraphobia (fear of public places), although many with panic disorder also suffer from agoraphobia. It must be noted however that panic attacks cannot be predicted, therefore an individual may become stressed, anxious or worried wondering when the next panic attack will occur. There are other schools of thought that Panic disorder is differentiated as a medical condition, or chemical imbalance. The DSM-IV-TR describes Panic disorder and Anxiety differently. Panic attacks have a sudden or out-of-blue cause that lasts shorter with more intense symptoms, as opposed to Anxiety attacks having stressors that build to less severe reactions and can last for weeks or months [1].

Panic disorder is a real illness that can be successfully treated. It is characterized by sudden attacks of terror, usually accompanied by a pounding heart, sweatiness, weakness, faintness, or dizziness. During these attacks, people with panic disorder may flush or feel chilled; their hands may tingle or feel numb; and they may experience nausea, chest pain, or smothering sensations. Panic attacks usually produce a sense of unreality, a fear of impending doom, or a fear of losing control.

A fear of one’s own unexplained physical symptoms is also a symptom of panic disorder. People having panic attacks sometimes believe they are having heart attacks, losing their minds, or on the verge of death. They can’t predict when or where an attack will occur, and between episodes many worry intensely and dread the next attack.

Panic attacks can occur at any time, even during sleep. An attack usually peaks within 10 minutes, but some symptoms may last much longer.

Panic disorder affects about 6 million American adults and is twice as common in women as men. Panic attacks often begin in late adolescence or early adulthood, but not everyone who experiences panic attacks will develop panic disorder. Many people have just one attack and never have another. The tendency to develop panic attacks appears to be inherited.

People who have full-blown, repeated panic attacks can become very disabled by their condition and should seek treatment before they start to avoid places or situations where panic attacks have occurred. For example, if a panic attack happened in an elevator, someone with panic disorder may develop a fear of elevators that could affect the choice of a job or an apartment, and restrict where that person can seek medical attention or enjoy entertainment.

Some people’s lives become so restricted that they avoid normal activities, such as grocery shopping or driving. About one-third become housebound or are able to confront a feared situation only when accompanied by a spouse or other trusted person. When the condition progresses this far, it is called agoraphobia, or fear of open spaces.

Early treatment can often prevent agoraphobia, but people with panic disorder may sometimes go from doctor to doctor for years and visit the emergency room repeatedly before someone correctly diagnoses their condition. This is unfortunate, because panic disorder is one of the most treatable of all the anxiety disorders, responding in most cases to certain kinds of medication or certain kinds of cognitive psychotherapy, which help change thinking patterns that lead to fear and anxiety.

Panic disorder is often accompanied by other serious problems, such as depression, drug abuse, or alcoholism. These conditions need to be treated separately. Symptoms of depression include feelings of sadness or hopelessness, changes in appetite or sleep patterns, low energy, and difficulty concentrating. Most people with depression can be effectively treated with antidepressant medications, certain types of psychotherapy, or a combination of the two.

Sources:

1- http://en.wikipedia.org/wiki/Panic_disorder

2- http://www.nimh.nih.gov/health/publications/anxiety-disorders/panic-disorder.shtml

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Sertraline hydrochloride (trade names Zoloft and Lustral) is an antidepressant of the selective serotonin reuptake inhibitor (SSRI) class. It was introduced to the market by Pfizer in 1991. Sertraline is primarily used to treat major depression in adult outpatients as well as obsessive–compulsive, panic, and social anxiety disorders in both adults and children. In 2007, it was the most prescribed antidepressant on the U.S. retail market, with 29,652,000 prescriptions.

The efficacy of sertraline for depression is similar to that of older tricyclic antidepressants, but its side effects are much less pronounced. Differences with newer antidepressants are subtler and also mostly confined to side effects. Evidence suggests that sertraline may work better than fluoxetine (Prozac) for some subtypes of depression. Sertraline is highly effective for the treatment of panic disorder, but cognitive behavioral therapy is a better treatment for obsessive-compulsive disorder, whether by itself or in combination with sertraline. Although approved for social phobia and posttraumatic stress disorder, sertraline leads to only modest improvement in these conditions. Sertraline also alleviates the symptoms of premenstrual dysphoric disorder and can be used in sub-therapeutic doses or intermittently for its treatment.

Sertraline shares the common side effects and contraindications of other SSRIs, with high rates of nausea, diarrhea, insomnia, and sexual side effects; however, its effects on cognition are mild. The unique effect of sertraline on dopaminergic neurotransmission may be related to its favorable action on cognitive functions. In pregnant women taking sertraline, the drug was present in significant concentrations in fetal blood, and was also associated with a higher rate of various birth defects. Similarly to other antidepressants, the use of sertraline for depression may be associated with a higher rate of suicidality. Due to the rarity of this side effect, statistically significant data are difficult to obtain, and suicidality continues to be a subject of controversy.(1)

Definition

Sertraline is an antidepressant that belongs to the class of drugs called selective serotonin reuptake inhibitors (SSRIs). In the in United States it is sold under the brand name Zoloft.

Purpose

Sertraline is used to treat depression, obsessive-compulsive disorder , panic disorder , and post-traumatic stress disorder .

Description

Serotonin, one of the neurotransmitters , is a brain chemical that carries nerve impulses from one nerve cell to another. Researchers think that depression and certain other mental disorders may be caused, in part, because there is not enough serotonin being released and transmitted in the brain. Like the other SSRI antidepressants, fluvoxamine (Luvox), fluoxetine (Prozac), and paroxetine (Paxil), sertraline increases the level of brain serotonin (also known as 5-HT). Increased serotonin levels in the brain may be beneficial in patients with obsessive-compulsive disorder, alcoholism, certain types of headaches, post-traumatic stress disorder (PTSD), pre-menstrual tension and mood swings, and panic disorder. Sertraline is not more or less effective than the other SSRI drugs although selected characteristics of each drug in this class may offer greater benefits in some patients. Fewer drug interactions have been reported with sertraline, however, than with other medications in the same class.

The benefits of sertraline develop slowly over a period of up to four weeks. Patients should be aware of this and continue to take the drug as directed, even if they feel no immediate improvement.

Sertraline is available in 25-mg, 50-mg and 100-mg tablets, or as a 20-mg per ml solution.

Recommended dosage

The recommended dosage of sertraline depends on the disorder being treated. The initial recommended dosage for depression and obsessive-compulsive disorder is 50 mg daily. This may be increased at intervals of at least one week to the maximum recommended dosage of 200 mg daily. For the treatment of panic disorder and post-traumatic stress disorder, the initial dose is 25 mg once daily. This dosage is increased to 50 mg daily after one week. If there is no therapeutic response, the dosage may be increased to the maximum of 200 mg daily at intervals of at least one week. These dosages may need to be reduced in elderly patients (over age 65) or in people with liver disease.

For the treatment of obsessive-compulsive disorder in the pediatric population, treatment should be initiated at a dose of 25 mg per day in children six to 12 years of age and 50 mg per day in children 13 to 17 years of age. Doses may be increased at one-week intervals to a total daily dose of 200 mg.

Precautions

A group of serious side effects, called serotonin syndrome, have resulted from the combination of antidepressants such as sertraline and members of another class of antidepressants known as monoamine oxidase (MAO) inhibitors. Serotonin syndrome usually consists of at least three of the following symptoms: diarrhea, fever, sweatiness, mood or behavior changes, overactive reflexes, fast heart rate, restlessness, shivering or shaking. Because of this, sertraline should never be taken in combination with MAO inhibitors. Patient taking any MAO inhibitors, for example Nardil ( phenelzine sulfate) or Parmate ( tranylcypromine sulfate), should stop the MAO inhibitor then wait at least 14 days before starting sertraline or any other antidepressant. The same holds true when discontinuing sertraline and starting an MAO inhibitor. Also, people should not take sertraline oral concentrate while using disulfiram (Antabuse). Sertraline should never be taken by people who are any other SSRI antidepressants.

Sertraline should be used with cautiously and with close physician supervision by people with a prior history of seizures , people who are at an increased risk of bleeding, and those for whom weight loss is undesirable. Sertraline may precipitate a shift to mania in patients with bipolar (formerly manic-depressive) disease.

Side effects

More than 5% of patients experience insomnia , dizziness, and headache. About 14% of men report delayed ejaculation while 6% report decreased sex drive while taking this drug. In order to reduce these sexual side effects, patients can wait for tolerance to develop (this may take up to 12 weeks), reduce the dose, have drug holidays (where the weekend dose is either decreased or skipped), or discus with their physician using a different antidepressant.

More than 10% of patients report nausea and diarrhea while taking sertraline. Other possible side effects include agitation, anxiety, rash, constipation, vomiting, tremors, or visual difficulty. Although most side effects eventually subside, it may take up to four weeks for people to adjust to the drug.

Interactions

Sertraline interacts with St. John’s Wort , an herbal remedy for depression. The risk of seizures is increased in patients using tramadol and sertraline. Taking sertraline with MAO inhibitors may result in the serious side effects discussed above. Erythromycin, an antibiotic, may inhibit the breakdown of sertraline in the liver and cause increased central nervous system effects such as drowsiness and decreasing of mental alertness. Other antidepressants should not be taken by people using sertraline except in rare cases when prescribed by a physician. If a combination of antidepressants is considered beneficial, a low dose of tricyclic antidepressants (10–25 mg daily) should be used.

Sertraline should not be taken with grapefruit juice as the combination may increase sertraline levels in the body. (2)

Sources:

1- http://en.wikipedia.org/wiki/Sertraline

2- http://www.minddisorders.com/Py-Z/Sertraline.html

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XANAX XR is a prescription medication for the treatment of patients with panic disorder, with or without agoraphobia. It belongs to a group of medicines called benzodiazepines. Some medicines of this kind have to be taken 2 to 4 times a day. You may feel calm after you take the medicine but then lose that feeling before it’s time to take the next dose. That’s because the medicine’s effects can wear off between doses if not taken as directed by your doctor.

XANAX XR gives you the benefits of a benzodiazepine in a once-daily formula. Take it in the morning, and it can help you all day long. You won’t have to watch the clock or feel like you might miss a dose by mistake.

XANAX XR can effectively reduce the occurrence of panic attacks, which include periods of intense fear accompanied by 4 or more of the following symptoms:*

racing heart
sweating
trembling
shortness of breath
feeling of choking
chest pain or discomfort
nausea or abdominal distress

faintness or dizziness
feelings of unreality
fear of going crazy or
losing control
fear of dying
numbness or tingling
chills or hot flushes

How long does it take to work?

When you start taking XANAX XR, you may not feel its effects right away. This is because it is released slowly into your system so that it will last throughout the day. As shown in the chart below, XANAX XR took 1.6 hours to reach maximum benefit, compared to 1.5 hours with XANAX® (alprazolam) (see full prescribing information for XANAX) suggesting that it essentially works just as quickly.

While all patients are different, some patients may begin to see improvement in their symptoms as early as the first week. However, the full effect may take several weeks. To get the full benefit of your medicine, be sure to take it as prescribed by your doctor.

*These symptoms can be signs of another underlying condition; make sure to follow up with your physician and get regular checkups.

Source: http://www.xanax.com/considering-xanaxxr.asp

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Zoloft is well tolerated and effective for the treatment of depression and certain anxiety conditions.

Zoloft is FDA approved to treat depression, certain types of social anxiety conditions, posttraumatic stress disorder (PTSD), panic disorder, obsessive-compulsive disorder (OCD), and premenstrual dysphoric disorder (PMDD) in adults over age 18. It is also approved for OCD in children and adolescents age 6-17 years.

For more than 15 years, Zoloft has safely and effectively treated millions of people with depression and certain anxiety conditions. Zoloft is available in multiple strengths, so your doctor can decide a dose for you.

Zoloft® (sertraline HCl) is a type of antidepressant known as a selective serotonin reuptake inhibitor (SSRI). It’s approved to treat depression, social anxiety disorder, posttraumatic stress disorder (PTSD), panic disorder, obsessive-compulsive disorder (OCD), and premenstrual dysphoric disorder (PMDD) in adults over age 18. It is also approved for OCD in children and adolescents age 6-17 years.

Important Safety Information

Depression is a serious medical condition, which can lead to suicidal thoughts and behavior. Children, adolescents, and young adults taking antidepressants may be at increased risk for suicidal thoughts and behavior within the first few months of treatment. This risk must be balanced with the medical need. Those starting medication or changing doses should be watched closely for suicidal thoughts, worsening of depression, or unusual changes in mood or behavior. In children and teens, Zoloft is only approved for use in those with obsessive-compulsive disorder. A patient Medication Guide about “Antidepressant Medicines, Depression and Other Serious Mental Illnesses, and Suicidal Thoughts or Actions” is available.
Zoloft is not for everyone. People taking MAOIs or pimozide shouldn’t take Zoloft. Concomitant use of Zoloft with NSAIDs or aspirin may be associated with an increased risk of bleeding. Side effects may include dry mouth, insomnia, sexual side effects, diarrhea, nausea and sleepiness. In studies, few people were bothered enough by side effects to stop taking Zoloft. Side effects may result from stopping Zoloft particularly when abrupt. You should, however, stop taking Zoloft if you get any of the following symptoms of Serotonin Syndrome, a rare but life-threatening reaction, such as fever, sweating, muscle stiffness, trouble thinking clearly, a change in mental functioning, sleepiness, or change in your breathing, heartbeat and blood pressure.
You should tell your doctor if you are pregnant or plan to become pregnant, as there is a potential risk to the fetus with Zoloft. Like many antidepressants, Zoloft can be present in breast milk so tell your doctor if you are nursing.
Zoloft is approved to treat depression, social anxiety disorder, posttraumatic stress disorder (PTSD), panic disorder, obsessive-compulsive disorder (OCD), and premenstrual dysphoric disorder (PMDD) in adults over age 18. It is also approved for OCD in children and adolescents age 6-17 years.
Zoloft is not habit-forming and is not associated with weight gain. So talk to your doctor about how Zoloft might help you. Zoloft comes in 25-mg, 50-mg, and 100-mg tablets. You and your doctor can discuss a dose for you.
Source: http://www.zoloft.com

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Overview
Paxil is the brand name for Paroxetine, a phenylpiperidine derivative. Paxil is an SSRI – Selective Serotonin Reuptake Inhibitor, which is a type of antidepressant. SSRIs work by increasing levels of serotonin (a neurotransmitter) to normal.

Paxil’s effects can usually be felt within one to four weeks.

Why is this drug prescribed?
Paxil is used primarily to treat Obsessive-Compulsive Disorder (OCD.)

Paxil is also used to treat:
depression
panic disorder / panic attacks
diabetic nerve pain (neuropathy)
chronic tension headaches
social anxiety disorder (social phobia)
premature ejaculation
premenstrual syndrome (PMS)

Warnings
The safety and effectiveness of Paxil in children under 18 years old have not been established.

Paxil is not addictive. Suddenly discontinuing Paxil may lead to withdrawal symptoms such as confusion, dizziness, sweating, or tremors. Dosage should be gradually tapered when Paxil is discontinued.

Paxil does not usually cause sedation, but patients should not drive or operate heavy machinery until it is known that Paxil does not affect the ability to safely engage in these activities.

For Pregnant or Nursing Mothers: One study showed no adverse effects due to Paxil during pregnancy, but further study is required and pregnant women are not advised to take Paxil. Paxil passes into human breast milk, and nursing mothers should not take Paxil.

Contraindications
Paxil should Not be used for people with an allergy or hypersensitivity to this drug or any SSRI.

Precautions
Paxil may be used with caution in people with the following conditions:
liver or kidney disease – lower dosage may be needed
seizures (epilepsy or convulsions) – risk of seizures is increased
a history of mania – Paxil may activate mania
elderly – lower dosage may be needed
brain disease or damage
mental retardation

Adverse Reactions
Paxil may cause the following reactions:
lowered blood pressure and fainting upon standing (postural hypotension)
sweating
dry mouth
nausea
headache
drowsiness
sedation
nervousness
insomnia
constipation
weakness
loss of appetite
taste disorders
tingling in hands
upset stomach
dizziness
blurred vision
itching
chills
abnormal ejaculation
impotence
sexual dysfunction
diarrhea
hypomania
seizures

Interactions with Drugs and Other Substances
Drugs or substances that may interact with Paxil are:
MAO Inhibitors (within 14 days) – serious or even fatal interactions can occur when taken with Paxil
benzodiazepines, desipramine, Haldol (haloperidol), and Normodyne (labetalol) – Paxil may increase the effects of these drugs
Dilantin (phenytoin) – can decrease blood levels of Paxil and reduce its effects
Quinaglute (quinidine) and Tagamet(cimetidine) – can increase Paxil levels and lead to drug toxicity
Astemizole (Hismanal) – can lead to a serious change in heart rhythm when taken with Paxil
Ultram (tramadol) – can increase the risk of seizures when taken with Paxil
Tryptophan – can increase side effects such as sweating, nausea, and dizziness when taken with Paxil
Coumadin (warfarin) – can cause bleeding when taken with Paxil
Moclobemide (Manerex) within 3 to 7 days
Buspirone (BuSpar), Bromocriptine (Parlodel), Dextromethorphan (cough medicine), Levodopa (Sinemet), Lithium, Meperidine (Demerol), Nefazodone (Serzone), Pentazocine (Talwin), other SSRIs (such as: Citalopram [Celexa], fluoxetine [Prozac], fluvoxamine [Luvox], sertraline [Zoloft]), LSD, MDMA (ecstasy), marijuana, Sumatriptan (Imitrex), Tramadol (Ultram), Trazodone (Desyrel), Tryptophan, Venlafaxine (Effexor) – taking these medicines with Paxil can increase the chance of developing a rare, but very serious, unwanted effect known as the serotonin syndrome, whose symptoms include confusion, diarrhea, fever, poor coordination, restlessness, shivering, sweating, talking or acting with excitement you cannot control, trembling or shaking, or twitching.

Source: http://whatmeds.stanford.edu/medications/paroxetine.html

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