By Irfana
B.Sc (Psychiatry Ward)
20 May 2022 -
Medically reviewed by
D. Pharm
Does Xanax cause weight gain?
Table of Contents

Every person in the world fears having some of the other symptoms from the medicines they consume. Weight gain and loss would be the biggest question a person might think of. People take medicines to revive their life from some of the other conditions. So the question arises, will you gain weight by consuming Xanax?

Let us know about what Xanax is and what it is used for.

Xanax belongs to the drug class of Benzodiazepine. It was approved by the FDA on 17th January 2003. Another name for Xanax is its generic name Alprazolam.
It is not available over the counter but you can also buy Xanax online from a certified online pharmacy it is also recommended to get a doctor's prescription first. You must be curious about how it would work on the body? Let's get into the working mechanism of Xanax.

How would Xanax work on the body?

Anxiety issues are nowadays a normal disorder. This is found in many people around the globe. You should be careful while choosing such medicines. Xanax as a particular medicine works on anxiety issues more as it has some powerful ingredients present in it.

Xanax works on the body enhancing the chemicals in the body known as GABA receptors. These receptors work on the brain and central nervous system. Once Xanax starts producing the chemicals it creates a calming effect on the brain and nerves that will make your anxiety in control. (De Armas, H.N., Peeters, O.M., Van den Mooter, G. and Blaton, N., 2007)

Now getting onto the main question

Will Xanax cause you weight gain?

Change in weight after consuming Xanax happens partially. Weight change depends on different individuals, dosage, and other factors. Most people's weight changes according to the dosage they consume. A high dosage would have a lot of side effects and weight gain is one of them.

If you are taking Xanax continuously there are chances of you falling asleep all day. Once you sleep all day, then there is a chance of you gaining weight with no exercise done. It happens in males and females.

Now getting into females specifically, whereas they observe premenstrual dysphoric disorder. It is a condition closely similar to premenstrual syndrome. With this syndrome, your appetite would increase and make you gain weight.

Contrasting to this, there are chances of weight loss as well. It is more similar to Xanax having withdrawal symptoms. (Evans, R.L. and Cardoni, A.A., 1981)

Xanax Withdrawal Symptoms

Xanax has properties that can be addictive. In a way, you might consume Xanax most of the time when you feel anxious. You might be totally dependent on the medicine most of the time. If at all you tried to stop the medicine intake abruptly withdrawal symptoms can be seen such as: 

Precautions that you should take before consuming Xanax

The main thing that you should be aware of before consuming Xanax is important. As side effects can make a negative impact on your health, you should inform your doctor wisely about all your medical history.

Precautions that you should take before consuming Xanax are as follows:

Do not consume if:

  • You are allergic to any Benzodiazepine medications.
  • You are suffering from any breathing issues
  • Had any liver problems
  • Suffered from kidney damage
  • You have been through any disorders

You should avoid:

  • Drinking alcoholic beverages
  • Using heavy machinery
  • If you consume marijuana.

Forms and Dosage of Xanax

You can find Xanax in tablet form with different strengths: 0.25mg, 0.5mg, 1mg and 2mg.

FDA has approved a usual dosage that would help in curing anxiety disorder and Panic attacks.

Anxiety Disorder:

  • Starting Dose: 0.25ng (3 times a day)
  • Continuous Dose: 0.25 to 0.5mg (3 times a day). It will totally depend on the dosage advised by your health provider.
  • Max Dosage: Not exceeding 4mg per day.

Panic Disorder:

  • Starting Dose: 0.5mg (3 times a day)
  • Continuous Dose: 0.5mg to 3mg (3 times a day)
  • Max Dose: Not exceeding 10mg per day

Side effects of Xanax

You must have got an idea about Xanax working on a person's weight differently. As gaining or losing weight is itself a side effect, apart from these side effects, there are other side effects also that you may observe.

Side effects of Xanax are divided into two variations such as Common side effects that should not be ignored (It can be cured with a little care). Whereas, there are other severe effects that have to be dealt with medical help.

Usual side effects:

  • Drowsiness
  • Mild headache
  • Dizziness
  • Depression
  • Dysarthria

Severe Side effects:

  • Memory loss
  • Poor working of the brain
  • Decreased sex drive
  • Phobias
  • Trouble in concentration

What If overdosed on Xanax?

You should get immediate help from the hospital. Overdosing on Xanax is risky and may make you severely dizzy. If you ever overdose on Xanax after consuming alcohol or opioid medicine, you might end up getting symptoms like breathlessness.

Drug Interactions of Xanax

It is a common factor that every medicine is made from different medicinal compounds. These compounds react harshly on the person's body if taken together. As mentioned below are the medicines that may interact with Xanax and you should not consume it together.

  • Ambien
  • Cymbalta
  • Flexeril
  • Norco
  • Oxycodone
  • Tramadol


You can use Xanax to treat conditions such as anxiety disorders and panic attacks. It has side effects too that are related to weight, so you might be clear about Xanax as medicine may cause your weight gain or loss depending on the person's activity. If you are mostly towards physical activity, then it might not even affect your health.

As the medicine makes you dizzy, you should make sure that you are active all the time. There are various side effects as well that you might get affected with and withdrawal symptoms may arise that may be harmful. You can get the medicine only with a prescription.

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