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Valium vs. Xanax: Is There a Difference?

Overview

Highlights

  1. Valium and Xanax can treat separate conditions.
  2. They are brand names for different generic drugs.
  3. Drug dependency and drug withdrawal are serious concerns with either drug, but diazepam may also be unsafe for certain people.
Did you know?
According to the National Institute of Mental Health, more than 18 percent of people in the United States experience symptoms of an anxiety disorder every year.

Many of us feel symptoms of anxiety from time to time. For some people, though, anxiety and all of its uncomfortable symptoms are a daily occurrence. Ongoing anxiety can affect your ability to function at home, school, and work.

Treating anxiety often involves talk therapy and antidepressant medications. Benzodiazepines are another class of medications used to help curb anxiety. Two commonly prescribed benzodiazepines are Valium and Xanax. These drugs are similar, but not exactly alike.

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Uses

Why they’re prescribed

Both drugs are used to treat anxiety disorders. Xanax also treats panic disorder.

In addition, Valium treats several other conditions, including:

How they work

How they work

Valium and Xanax are both brand-name versions of different generic drugs. Valium is a brand name for the drug diazepam, and Xanax is a brand name for the drug alprazolam. Both of these drugs are minor tranquilizers.

They work by helping to boost the activity of gamma-aminobutyric acid (GABA). GABA is a neurotransmitter, a chemical messenger that transmits signals throughout your body. If your body doesn’t have enough GABA, you may feel anxiety.

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Interactions

Interactions

Dietary interaction

If you take Valium, you should avoid large amounts of grapefruit or grapefruit juice. Grapefruit blocks the enzyme CYP3A4, which helps break down certain drugs. So, having large amounts of grapefruit can increase the levels of Valium in your body. This can increase your risk of side effects.

Drug interactions

Xanax and Valium are in the same drug class, so they have many of the same interactions with other drugs and substances. Medications that affect your central nervous system can be dangerous when combined with benzodiazepines. That’s because they can affect your respiratory system.

Several groups that interact include:

  • alcohol
  • antihistamines
  • other benzodiazepines or sedatives, such as sleeping pills and drugs for anxiety
  • pain drugs, including hydrocodone, oxycodone, methadone, codeine, and tramadol
  • antidepressants, mood stabilizers, and antipsychotics
  • antiseizure medications
  • tranquilizers and muscle relaxants

These are not all of the possible drug interactions. For a more complete list, see the interactions for diazepam and interactions for alprazolam.

Always tell your doctor and pharmacist about all drugs and supplements you currently take before you start taking any new drug.

Warnings

Warnings for certain people

Certain people should not take one or either of these drugs. You shouldn’t take Xanax or Valium if you have acute angle-closure glaucoma or a history of allergic reaction to either drug.

You also shouldn’t take Valium if you have:

  • a history of drug dependence
  • myasthenia gravis, a neuromuscular disease
  • severe respiratory insufficiency
  • sleep apnea
  • severe liver insufficiency or liver failure
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Side effects

Side effects

Common side effects of each drug include:

  • drowsiness
  • impaired memory
  • impaired motor coordination or balance
  • lightheadedness

The effects may last for a day after you stop taking the drug. If you feel lightheaded or sleepy, don’t drive or operate dangerous equipment.

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Dependence

Dependence and withdrawal

The most serious concerns about using Valium or Xanax are dependence and withdrawal.

You can become dependent on these drugs after a few days or weeks. People who use these drugs may build a tolerance over time, and the risk of dependence increases the longer you use the drugs. The risk of dependence and withdrawal also increases as you age. The drugs may have longer effects in older adults and take longer to leave their bodies.

Withdrawal symptoms
Withdrawal symptoms may include:
• anxiety
• irritability
• tremors
• insomnia
• seizures
• vomiting
• diarrhea

These effects can happen with both drugs, so if they’re a serious concern for you, talk to your doctor about the right treatment for your anxiety.

You should also never stop taking these drugs abruptly. Stopping these drugs too quickly can lead to withdrawal. Seek your doctor’s advice on the best way to stop taking these drugs slowly.

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Takeaway

Takeaway

Diazepam and alprazolam are effective in treating several conditions, including acute anxiety. However, each drug also treats different conditions. One drug may be more appropriate for you based on the condition you’re trying to treat and your medical history. Talk to your doctor about your symptoms and medical history to help them determine what medication may be best for you.

Differences at a glance

Alprazolam Diazepam
slower to take effect takes effect quickly
stays active for a shorter period stays active for a longer period
approved for panic disorder not approved for panic disorder
safety not established for children may be used to treat children
 
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