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Medication for Anxiety Disorders

Dorianne Green
Written by:
Dorianne Green
MD
Dr. Michael Chichak
Medical Reviewer:
Dr. Michael Chichak
MD
The medications listed on this website are provided for informational purposes only.
Their inclusion does not guarantee they will be prescribed to any individual, as treatment decisions are ultimately at the discretion of healthcare providers. Healthcare providers may prescribe other medications or recommend non-pharmacological treatment based on the patient’s unique health circumstances and needs. Read more
The majority of antidepressant medications mentioned in this article have a boxed warning, the most serious type of warning from the Food and Drug Administration (FDA). They pose a risk of suicidal thoughts and behaviors. Specific benzodiazepine medications mentioned in this article have a boxed warning because of the risk of addiction. Some anti-anxiety medicines are also controlled substances, indicating their high potential for misuse or dependence. Remember to discuss the risks and keep in touch with your healthcare provider during the whole course of treatment.

Highlights

  • The four most common medications prescribed for anxiety are serotonin-norepinephrine reuptake inhibitors (SNRIs), selective serotonin reuptake inhibitors (SSRIs), beta-blockers, and benzodiazepines.
  • SSRIs are a widely prescribed first-line medication with fewer side effects than others.
  • Medication is recommended for anxiety disorder treatment if symptoms are severe, affecting the person’s daily functioning, or if therapy alone is not effective. 
  • Some anxiety prescription medications will involve ongoing daily medication, while others will be taken short-term or as needed, for example, in the case of panic attacks.

You have recently been diagnosed with stress and anxiety. In some ways, this is a relief, but also overwhelming; you’d like to know more about controlling this anxiety disorder and are wondering if you need anxiety medication.

You’ve done a quick Google search, and the number of anxiety medication names is mind-boggling. Although the only way to get anxiety medication is through your healthcare provider, and they will ultimately determine what to take for anxiety, you can have a more informed discussion if you know possible options before the appointment.

Discuss your treatment plan

See a licensed medical provider to get assessed for anxiety and receive personalized treatment, including medication prescription, if appropriate.

The Role of Medication in Anxiety Treatment

The Anxiety and Depression Association of America (ADAA [1*] ) advises that medication can be prescribed for anxiety disorders when there are severe symptoms, when the person is not able to function, or if therapy alone is not helping.

Anxiety disorders are mental disorders that result from being worried or scared [2*] . This fear can also manifest physically, like a faster heart rate, increased blood pressure, and shortness of breath.

You are not alone; three out of every 10 people [3*] in the USA have an anxiety disorder during their lifetime, with twice as many [2*] women affected compared to men.

In the 2013 revised diagnostic and statistical manual (DSM-5), the American Psychiatric Association included the following common subgroups of anxiety disorders:

  • generalized anxiety disorder (GAD)
  • social anxiety disorder (SAD)
  • panic disorder (PD)


It is important to know which specific anxiety disorder you have because it might influence your treatment plan.

What Does Anxiety Medication Do?

You may have also heard anxiety medication referred to as anti-stress medication, anxiolytics, or calming medication. They’re all the same thing, but there are many types, each working differently to reduce anxiety or make it go away.

Some types calm nerves by increasing feel-good chemicals in the brain and spinal cord (central nervous system), and others block the action of other substances, slowing down the brain’s agitation or the body’s response to anxiety.

What Else Can I Do Before Trying Medication?

Other options that ease anxiety symptoms are professional therapy, joining support groups, relaxation techniques, meditation, and deep breathing exercises. If none of these are working, you might discuss it with your healthcare provider to learn whether you may need anxiety medication and if you qualify for it. With MEDvidi, you can consult with an experienced online anxiety specialist within 24 hours and receive a personalized treatment plan, all from the comfort of your home.

Types of Anxiety Medications

The recommendations for medications to treat anxiety are not as straightforward as “always use this one first, and if that doesn’t work, try this one next.” Every person with anxiety and their circumstances are different.

Let’s look at the classes or types of anxiety medications that your doctor may consider.

Antidepressants

Selective Serotonin Reuptake Inhibitors (SSRIs)

What SSRIs Are and How They Work

Selective serotonin reuptake inhibitors (SSRIs) are a type of antidepressant and anti-anxiety medication that works by increasing serotonin [4*] , a nerve messenger, between the nerves. This serotonin boost helps to regulate mood and reduce anxiety.

SSRI antidepressant medication is the most popular medication class for treating anxiety.

When They Start Working and How Well They Work

You will generally feel a difference after 2 weeks [5*] , but the best effect lasts 6 to 12 weeks.

They are a first-line long-term anxiety medication for most anxiety disorders [5*] and work especially well to treat GAD, SAD, and PD. Usually, higher doses work better [5*] but might have more side effects.

The dosage is chosen individually; never exceed the prescribed dose.

"It is common for patients to have a misunderstanding as to why antidepressants are recommended to treat anxiety. Keep in mind that a frequent cause for panic attacks is due to an imbalance in serotonin, which will lead a person to experience not only an increase in generalized anxiety but also a tendency to experience panic. This has to do with a complex interplay of our nervous system and neurotransmitters.

The best evidence to support long-term and short-term relief of anxiety is best obtained through the use of SSRI medication. Although these medications do require some additional time to take effect, they help patients obtain improved relief from anxiety in both the long and short-term once they come to an effective level. It's best to have an in-depth conversation with your healthcare provider to cater a plan that is right for your unique situation."
Dr. Michael Chichak
Medical Director at MEDvidi
Examples of SSRIs

Citalopram, escitalopram, fluoxetine, fluvoxamine, paroxetine, and sertraline.

Side Effects

Common side effects [4*] of SSRIs include:

  • Nausea and upset stomach
  • Headache
  • Feeling emotionally numb
  • Sexual problems like weak erections or delayed ejaculation
  • Weight gain
  • Sweating
  • Yawning

To decrease the chance of these side effects, your medical provider may start you on low-dose medication and increase it after a week or two.

There are also some possible life-threatening side effects [4*] of SSRIs:

Pros of SSRIs
  • Side effects are not serious, and most last only a few weeks
  • Non-drowsy
  • Treat depression and obsessive-compulsive disorder, which can co-exist with anxiety
Cons of SSRIs
  • Take a long time to start working
  • Might initially make you feel temporarily agitated or more anxious
  • Sexual problems and emotional numbness often persist during treatment

Serotonin-Norepinephrine Reuptake Inhibitors (SNRIs)

What They Are and How They Work

Some medicines in this class are also effective medications to treat generalized anxiety disorder and can be used first-line. They are antidepressants that increase the feel-good serotonin and norepinephrine between the brain cells.

Learn more: SSRIs vs SNRIs

Examples of SNRIs

Venlafaxine and duloxetine are examples of SNRIs registered by the Food and Drug Administration (FDA) to treat anxiety disorders. Desvenlafaxine is used off-label.

When They Start Working

They should start to make you feel calmer after 1 to 2 weeks, with the full effect from about 4 to 6 weeks.

Side Effects

Common side effects of SNRIs:

  • Nausea
  • Dry mouth
  • Constipation
  • Dizziness
  • Sweating
  • Sexual problems
Life-threatening Side Effects of SNRIs
  • Serotonin syndrome [6*] from toxic levels of serotonin. It is rare but can happen when SNRIs are used with other antidepressants or ADHD stimulant medication
  • Duloxetine can cause liver damage, usually in people with liver problems
  • Young adults (< 24 years) are at risk of increased suicidal thoughts
Pros of SNRIs
  • Treat depression, which often co-exists with anxiety
  • Work well for pain syndromes [7*] like fibromyalgia and nerve pain
  • Non-drowsy
Cons of SNRIs
  • A high possibility of withdrawal effects, so they need to be tapered down more carefully than SSRIs
  • Blood pressure should be monitored in patients with high blood pressure [8*] when the venlafaxine dose is increased

Tricyclic Antidepressants (TCAs)

What They Are and How They Work

TCAs, one of the oldest classes of antidepressants, are not FDA-approved for the treatment of anxiety disorders and are generally used off-label. They are second-line agents for the treatment of depression and might be helpful when treating a mixed depression-anxiety profile that doesn’t respond well to SSRIs and SNRIs.

Like SNRIs, they increase the feel-good serotonin and norepinephrine in the nervous system. Unfortunately, their action doesn’t end there; they also impact cholinergic, adrenergic, and histamine receptors. You don’t need to remember these names, but know that this action leads to bad side effects.

Examples of TCAs

Imipramine and amitriptyline.

When They Start Working and How Well They Work

They reach maximum effect from 2 to 8 hours and can stay in your system for more than 24 hours; this increases the risk of toxicity and overdose.

Common Side Effects of TCAs
  • Dry mouth
  • Constipation
  • Difficulty passing urine
  • Blurred vision 
  • Dizziness
  • Low blood pressure
  • Increased appetite and weight gain
  • Tiredness and sleepiness
  • Cognitive impairment (a fancy medical term for confusion or poor memory)
Life-threatening Side Effects of TCAs
  • Dangerous changes in heart rhythm in patients with heart problems
  • Seizure in people with epilepsy
  • Young adults (< 24 years) are at risk of increased suicidal thoughts
Pros of TCAs
  • Help with insomnia in patients with anxiety
  • Treat depression, pain syndromes, muscle tension, migraines, and irritable bowel syndrome
Cons of TCAs
  • Many side effects and drug interactions
  • Careful dosing [9*] is needed
  • Potential severe withdrawal effects [9*] if stopped suddenly
  • Serotonin syndrome from toxic levels of serotonin. It is rare but can happen when TCAs are used with other antidepressants or ADHD stimulant medication

Monoamine Oxidase Inhibitors (MAOIs)

MAOIs were the first antidepressants ever introduced in the 1950s. 

They are no longer popular medications to treat anxiety and depression and are only used when everything else has failed [10*] . This is because they have a higher risk of life-threatening high blood pressure due to interactions with medications (especially other antidepressants and ADHD medication) and even food (fish, turkey, liver, sausage, salami, overripe fruit, cheese, alcohol, and certain beans).

Atypical Antidepressants

Trazodone

Trazodone [11*] is used off-label to ease anxiety symptoms, especially in generalized anxiety disorder and panic disorder. Doctors may prescribe it at a low dose with SSRIs to prevent the occurrence of their side effects, such as agitation and sexual problems. 

Because one of trazodone’s side effects is drowsiness, it might help with anxiety-associated insomnia.

Mirtazapine

Mirtazapine [12*] is an atypical antidepressant used off-label for many anxiety disorders. The main side effects of mirtazapine are: 

  • Drowsiness, making it suitable for insomnia
  • Significant weight gain, which limits its use in many people

Anxiolytics

Benzodiazepines

What They Are and How They Work

It’s complicated, so we won’t get into the details, but benzodiazepines work by slowing down [13*] the nerve communication in the brain.

Examples of Benzodiazepines

Diazepam, lorazepam, alprazolam, clonazepam, and midazolam.

When They Start Working and How They Work

Benzodiazepines work within minutes or a few hours [13*] , and you feel a drop in anxiety. This makes them useful during an anxiety attack or to control anxiety in the short term while waiting for SSRIs or SNRIs to start working. However, this dramatic relief is also why we must be cautious with them.

"Although benzodiazepines help to lessen panic and anxiety quickly, over time, they can actually cause a paradoxical worsening of anxiety. This oftentimes can be confusing to patients.

This is one of the reasons why it is recommended not to rely solely on a benzodiazepine for control of panic and anxiety. Benzodiazepine therapy is typically recommended more in the setting to help control acute anxiety or to help bridge to SSRI effectiveness. In other words, they are meant to be short-term medications that can be used while other anxiety medications are becoming effective. Talk to your healthcare provider to come up with a plan for your situation."

Dr. Michael Chichak
Medical Director at MEDvidi
Common Side Effects of Benzodiazepines
  • Drowsiness
  • Confusion
  • Fainting
  • Shakes and tremors
  • Nausea and upset stomach
Pros of Benzodiazepines
  • Bring down symptoms of anxiety quickly compared to some other medications
  • Can be taken as needed (‘PRN,’ a fancy abbreviation that you might see on a script, meaning “as necessary”)
  • Help with insomnia and muscle tension, both common when anxious
  • Given in different ways: as tablets, injections, or in a drip
Cons of Benzodiazepines
  • Shouldn’t drive or operate machinery because of the risk of accidents
  • Suddenly stopping benzodiazepines increases the risk of severe withdrawal symptoms

Taking benzodiazepines long-term can lead to addiction, physical dependence, and substance abuse

Buspirone

What It Is and How It Works

Buspirone has been around since the 1970s and has recently become popular again [14*] , mainly because it has fewer side effects than benzodiazepines and no chance of dependence and abuse. In addition, it works as well as benzodiazepines.

It partially stimulates serotonin receptors, simulating the neurotransmitter’s feel-good action. It is used as a second-line treatment for GAD after SSRIs and SNRIs.

When It Starts Working 

It takes 2 to 4 weeks to start working, so it cannot be used for anxiety attacks.

Common side effects of Buspirone
  • Dizziness
  • Drowsiness
  • Nausea
  • Headache

Beta-Blockers

What They Are and How They Work

Beta-blockers work by ‘blocking’ the action of stress hormones [15*] like adrenalin and preventing the physical symptoms of anxiety, for example:

  • A faster heart rate
  • Feeling shortness of breath or breathing faster
  • Feeling sweaty or flushed
  • Having tremors or shaking

The FDA does not approve this class of medicine for anxiety [15*] . Still, it is a common anxiety medicine used off-label for ‘onstage’ situations, like acting and presenting at conferences, to hide these visible anxiety symptoms and bring down anxiety levels and panic attacks.

Examples

Propranolol is the most common beta-blocker used for anxiety.

When Propranolol Starts Working and How It Works

Patients typically start to feel an effect after about 30 minutes [16*] , and work best at one hour after taking it. It works well for 4 hours [17*] before the effects start wearing off.

Note that individual responses to any of the medications mentioned in the article may vary. Consult your healthcare provider and never exceed the prescribed dose.

Common Side Effects
  • Low heart rate
  • Wheezing
  • Dizziness
  • Tiredness
  • Nausea and upset stomach
  • Erection problems
  • Cold hands and feet
Life-threatening Side Effects

These are rare but are related to the effect on the heart, blood vessels, and lungs, usually in people with existing conditions [18*] . Propranolol can cause a dangerous drop in heart rate and blood pressure, cut blood flow to legs and arms, and, in asthmatics, a chest spasm.

Pros

You can take it in advance, as necessary (PRN), to prevent the physical symptoms.

Cons

This medication has little effect on the emotional side of anxiety.

Other Medications

Antihistamines

Hydroxyzine

It might seem strange that an antihistamine, which is usually used for allergic reactions, could be used to treat anxiety, but hydroxyzine is registered [19*] to do just that. It is absorbed quickly and starts to work in 15 to 30 minutes, so it can be used only as necessary; but if used daily, it is usually not prescribed past 4 months.

The side effects are usually mild and temporary [19*] :

  • Dry mouth
  • Drowsiness
  • Headache
  • Rashes and allergies

Anticonvulsants / Antiseizure Medicines

Gabapentin

Gabapentin is commonly prescribed to manage anxiety, but it is not a registered treatment option [20*] . It is approved to treat epilepsy, restless leg syndrome, and shingles nerve pain. However, studies have shown that it helps for certain types of anxiety like social anxiety disorder.

It has many common side effects [20*] , including:

  • Feeling off-balance
  • Dizziness
  • Tiredness and sleepiness
  • Nausea and upset stomach
  • Headache
  • Constipation
  • Weight gain
  • Sexual problems 
  • Depression

In addition, there are possible life-threatening side effects, such as: 

  • Severe allergic reactions
  • Life-threatening rashes
  • Muscle breakdown
  • Increased suicide risk
Consult a licensed medical provider to learn what treatment for anxiety can be the most suitable for you.

10 Commonly Prescribed Medications for Anxiety

So far, we’ve discussed classes or types of anxiety medication; now, let’s look at commonly prescribed individual medicines.

Table 1. Anxiety medication list of commonly prescribed drugs

Medication name

Class

FDA-approved uses

Other uses

Alprazolam

Benzodiazepine

GAD [13*]

PD [13*]

Clonazepam

Benzodiazepine

PD [13*]

Agoraphobia [13*] (fear of not being able to escape a situation)

Also used for epilepsy

Lorazepam

Benzodiazepine

Anxiety disorders [13*]

Given in a drip for epilepsy emergencies

Propranolol

Beta-blocker

Off-label for anxiety disorders [17*]

High blood pressure

Angina and heart attacks

Abnormal heart rhythms

Migraine

Tremors

Buspirone

Other anxiolytics

GAD

Might reduce the sexual side effects of SSRIs

Hydroxyzine

Antihistamine

Anxiety disorders

Allergic itchy skin conditions

Gabapentin

Antiepileptic

Off-label for anxiety disorders

Epilepsy

Restless leg syndrome

Shingles nerve pain

Sertraline

SSRI

PD [21*]

SAD [21*]

Major depressive disorder (MDD)

OCD

PTSD

Premenstrual dysphoric disorder (PMDD)

Escitalopram

SSRI

GAD [22*]

MDD

Diazepam

Benzodiazepine

Alcohol withdrawal [13*]

Given to children with fever seizures via the rectum

Choosing the Right Medication for Anxiety

You are already anxious, so the good news is that you don’t need to worry about this; your healthcare provider will make a suggestion, and only they can prescribe anxiety medication.

In your unique situation, when choosing the best medication for anxiety, your prescribing doctor may consider the following:

  • Your age.
  • The type of anxiety disorder you have.
  • If you have physical symptoms of anxiety.
  • If you’ve been feeling anxious for a while and need long-term treatment.
  • If this is a sudden stress that will pass quickly, only needing short-term treatment.
  • If you’ve taken treatment previously and whether that anxiety medication worked.
  • Other medical conditions you have.
  • Other medications you take daily (to avoid interactions with certain medications).
  • If you are at risk of substance abuse.
  • If you’re female, whether you’re breastfeeding, pregnant, or planning a pregnancy.

After reading this article and understanding the differences between all the options, if something concerns you about a chosen anxiety medication, chat with your doctor about it.

How to Know If I Need Medications for Anxiety?

If you are experiencing severe anxiety that is impacting your daily life, you may qualify for a prescription for anxiety. The first step in getting a medication prescription is to make an appointment to see a medical professional, go through an assessment to get a diagnosis, and discuss suitable treatment options.

FAQs

Different classes of anxiety disorder medication will make you feel different; some medications reduce your anxiety slowly over weeks, and others drop it within a few minutes or hours.
Yes, anxiety medication might help reduce your feeling of fear, but will not take away your brain’s reaction to your fear’s trigger. You need therapy to work on preventing that reaction.
Medication often helps to reduce extreme anxiety symptoms, but therapy is essential to make the anxiety go away.

The anxiety medications with the least side effects are selective serotonin reuptake inhibitors (SSRIs) and serotonin-norepinephrine reuptake inhibitors (SNRIs). This is why these two classes of antidepressants are the first-line options for anxiety disorders. To learn what medication can be the most suitable for you, contact your healthcare provider.

Usually, benzodiazepines or beta-blockers are most commonly prescribed for anxiety attacks; however, the decision is made individually.
Yes, some medication you can take on an as-needed basis if you only have anxiety once in a while. However, for long-standing anxiety, you should be on a daily medication, usually for several months.
Selective serotonin reuptake inhibitors (SSRIs) and serotonin-norepinephrine reuptake inhibitors (SNRIs) are usually prescribed for the long-term treatment of anxiety disorders because they are effective, are generally safe, and have the least side effects.

Anxiety medication should help with overthinking because it is usually a symptom of anxiety. However, therapy should always be part of your treatment plan and help you work on your anxiety triggers.

Sources

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Dorianne Green
Written by:
Dorianne Green
MD
Dr. Michael Chichak
Medical Reviewer:
Dr. Michael Chichak
MD
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