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Is Tequila a Stimulant?

Key Points

  • Tequila contains alcohol, and alcohol is a depressant, not a stimulant.
  • Depressants increase GABA and decrease Glutamate.
  • Tequila has many side effects, including sleeping problems.

No, tequila is a depressant like all other forms of alcohol. Though you may feel otherwise, tequila will ultimately slow down your central nervous system (CNS). If you’ve ever had a tequila sunrise, margaritas, or tequila shots, you’ve likely experienced these CNS effects.

 Is Tequila a Stimulant?Tequila History

Mexican tequila production started in the late 17th century by Don Pedro Sánchez de Tagle y Pérez Bustamante, the 2nd Marquis of Altamira (modern-day Jalisco).

He married his first cousin to get that title.

Because the King of Spain had recently outlawed the planting of new vineyards in Mexico in an attempt to create less competition for the domestic wine market in Spain, Don Pedro seized on the opportunity to utilize the plentiful Blue Agave plants.

Blue Agave plants were, and still are, high in sugar content, which makes them perfect for making alcohol. The pineapple-shaped bulbs at the heart of the plant get baked, juiced, fermented, and aged into the alcoholic drink you know as tequila.

The Mechanism of Action

The reason why tequila is still a depressant is that, ultimately, tequila contains alcohol. Alcohol gets produced in the fermentation process when added yeast converts the blue agave sugar into ethanol (alcohol).

Tequila is classified as a downer. Tequila’s alcohol is absorbed into your bloodstream through your stomach and small intestine. Once in the bloodstream, it increases the activity of receptors for gamma-aminobutyric acid (GABA).

GABA are inhibitory neurotransmitters, which means they are responsible for both producing feelings of calm. It also depresses the central nervous system which causes suppression of breathing/heart rate.[1]

Alcohol also inhibits the activity of the amino acid glutamate, which is the principal excitatory neurotransmitter in the central nervous system. [2] When glutamate is inhibited, it results in memory loss and other impaired brain functionality. Since we will always tend toward homeostasis, your body would try to produce more excitatory glutamate to counteract the presence of inhibitory GABA.

But… glutamate production is also curtailed, which leads to a spiral in which you feel “high,” throwing your brain and body out of whack. Alcohol also stimulates the brain to produce the dopamine, which triggers the reward center of our brains with pleasure.

Depressant Effects of Tequila

The central nervous system consists of your brain and spinal cord. Neurons carry electrical and chemical messages to and from the brain on a superhighway of nerves. Depressants like alcohol will slow down the exchange of this information.

This manifests itself in the slow reflexes you see in inebriated folks, like staggering, slurring, stumbling, and mumbling. Different forms of alcohol and alcoholic beverages will have essentially the same depressant effects, including:[3]

  • Reduced inhibitions (e.g. physical, sexual, social, etc)
  • Happiness
  • Stress reduction
  • Decreased reaction time
  • Increase in risky behaviors
  • Decreased breathing rate
  • Increased risk of injury

Why Do Some People Feel Energetic Shortly After Drinking Tequila?

When people say they felt “energetic,” “happy,” or “sociable” after drinking tequila, what they really were experiencing was the effects of dopamine. Dopamine is a feel-good hormone secreted by our hypothalamus, which triggers the reward center of our brains.

Dopamine can also cause you to feel extra calm, trusting, or even animated. These effects are short-lived, however. Eventually, once the dopamine wears off, you will be slurring words, stumbling around, and reacting very slowly. These are all hallmark traits of a depressant.

What are the Side Effects of Tequila?

The side effects of tequila are common to all alcoholic drinks, whether you are an occasional or a regular drinker. The dopamine released by alcohol can lead you to binge drinking and addiction, in addition to mental health concerns

There is an interesting scientific twist. The sugar in Blue Agave claims to be digested differently than other sugars and may not raise blood sugar levels. This could make this alcoholic substance more appealing to diabetes sufferers.

However, a research study that measured glucose concentration and insulin sensitivity during tequila consumption found opposite results. Volunteers drank 30ml of straight tequila each day for a month and were measured against their baseline results. The study found that for each volunteer, there was a tendency to increase the glucose concentration and decrease the insulin sensitivity.[4]

Other side effects of tequila mirror the side effects of other alcoholic drinks and include headaches, dizziness, vomiting, lack of balance or coordination, slurred speech, and shakiness.

Can Too Much Tequila Affect Your Sleep?

Yes. Alcohol is known for its initial sedating effect. When dopamine is released, it can make you feel very calm–sleepy even. Some people drink before they go to bed because they believe this will help them get better sleep.

However, even if the initial effect of alcohol makes it easier to go to sleep, the entirety of the sleep you will get throughout the night will suffer. Alcohol also decreases the amount of melatonin your body can create, and melatonin is the hormone your body uses to get good sleep.[5]

Although it seems initially contradictory, tequila can negatively affect your sleep. When you miss out on the restorative function of sleep, the temptation to drink to alleviate your pain may increase. This short-circuits the natural dopamine your body produces when engaging in healthy activities and can activate the addiction cycle.

Frequently Asked Questions About Stimulant vs. Sedative Effects of Tequila

Below are some of the most frequently asked questions surrounding Tequila.

Uppers are stimulants, whereas downers are depressants. Stimulants will increase the activity of your central nervous system, whereas depressants will decrease the activity of your central nervous system.

Tequila, like all other alcoholic beverages, is a downer. You will stumble, mumble, and become generally uncoordinated as the effects become more pronounced.

No. There is only caffeine if it gets added post-production. The reason you may experience a change in your sleep pattern is due to the depressant effects of alcohol and the disruption of your body’s natural melatonin production. 

The modern term for “narcotics” is “opioids.” Opioids are prescription or illicit substances used to treat moderate to severe pain. Tequila may have similar immediate effects as an opioid as it can seemingly alleviate pain during dopamine release, but it is not an opioid narcotic.

A shot of tequila won’t keep you awake. It might actually make you drowsy. But, during the night, your sleep may become more broken than usual and less restful. That is because alcohol impedes the body’s natural production of melatonin.

Tequila is generally 40% ABV. The recommended serving is 1.5 ounces of any distilled spirit, including tequila.[6]

Yes. You can get addicted to any substance or process that activates your brain’s reward center, especially substances containing alcohol. If you or a loved one are suffering from addiction to tequila, seek treatment immediately. We’re here to help. 

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[1] GABA receptor – statpearls – NCBI bookshelf. (n.d.). Retrieved from on July 27, 2023 

[2] Biochemistry, glutamate – statpearls – NCBI bookshelf. (n.d.-a). Retrieved from on July 27, 2023 

[3]Depressants. Depressants – Alcohol and Drug Foundation. (n.d.). Retrieved from on July 27, 2023 

[4] E;, G.-O. M.-G. S.-R. A.-A. (n.d.). Effect of tequila on homocysteine, insulin secretion, insulin sensitivity, and metabolic profile in Healthy Men. Journal of diabetes and its complications. Retrieved from on July 27, 2023 

[5]Costello, R. B., Lentino, C. V., Boyd, C. C., O’Connell, M. L., Crawford, C. C., Sprengel, M. L., & Deuster, P. A. (2014, November 7). The effectiveness of melatonin for promoting healthy sleep: A rapid evidence assessment of the literature. Nutrition journal. Retrieved from on July 27, 2023 

[6]2021 Proof Alliance fact sheets. (n.d.-b). Retrieved from on July 27, 2023  

Last medically reviewed August 4, 2023.