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“Tequila makes you crazy” and “margaritas give you the worst hangovers” are two versions of the same claim, and neither one holds up once you actually look at what’s in the glass. The truth is more specific than “tequila bad”: it depends on which tequila, how much sugar got mixed in, and whether you were drinking a shaken 2:1:1 margarita or a bar’s frozen version loaded with sour mix. Blame the drink category, and you’ll miss the actual problem, which means you’ll keep making the same mistake at your next happy hour.
Here’s what’s actually going on, and what changes if you’re making margaritas at home instead of ordering them out.
What Actually Causes a Hangover
Before blaming the margarita specifically, it helps to know what’s doing the damage in any alcoholic drink. Alcohol is a diuretic, so it pulls water out of your body faster than you’re replacing it, and that dehydration is behind a lot of the headache and fatigue the next day. Your liver also converts alcohol into a compound called acetaldehyde before it can fully break it down, and that compound is toxic enough to contribute to nausea and that generally “poisoned” feeling on its own. Layer in disrupted sleep, since alcohol wrecks the second half of your sleep cycle even when it knocks you out fast, and you’ve got the core of almost every hangover regardless of what you were drinking.
Congeners are the other major factor, and this is where the margarita conversation usually goes wrong.
Is Tequila Really One of the “Bad” Liquors?
You’ll see tequila lumped in with brandy, bourbon, and whiskey as a “dark liquor” that causes worse hangovers than something like vodka. The reasoning is congeners, the byproducts of fermentation and aging that give darker spirits more flavor but also more of the compounds tied to hangover severity. That’s a fair point for whiskey and brandy. It’s a shakier one for margaritas, because most margaritas are made with blanco tequila, which is unaged and clear, not the aged, barrel-colored stuff the congener research is actually about.
Blanco tequila goes straight from distillation to the bottle without spending time in a barrel, so it never picks up the congener load that reposado or añejo tequila does from wood aging. If your margarita is made with a silver or blanco tequila, which most classic margarita recipes call for, you’re closer to vodka’s congener profile than you are to bourbon’s. The “tequila causes worse hangovers” claim is really a claim about aged, dark spirits in general, and it gets pinned on tequila more than it deserves because tequila has a reputation problem, not because blanco tequila is actually loaded with congeners.
So, if tequila itself isn’t the main issue, what is?
The Real Problem Is What Gets Mixed In
A margarita isn’t just tequila, it’s tequila plus citrus plus a sweetener, and that second half of the equation is where most of the damage actually happens.
Sugar is doing more than you think. Alcohol and sugar are similarly processed through your liver, and pairing them means your liver is handling both a toxin and a sugar load at the same time, which worsens dehydration on top of what the alcohol is already doing. A margarita made with a bottled sour mix or a heavy-handed simple syrup pour is carrying a lot more sugar than a classic 2:1:1 recipe made with fresh lime juice and a measured pour of orange liqueur. Bar margaritas, especially the bright green frozen kind, tend to be the worst offenders here, since the mix is doing the flavor work instead of real citrus.
Bar tequila often isn’t what you’d choose yourself. A lot of bars pour with mixto tequila, bottles that are only 51% agave, with the rest made up of other sugars and neutral spirits, plus added caramel coloring and flavoring in some cases. That’s a different product from 100% agave tequila, and the additives are one more thing your liver has to process alongside the alcohol itself. If you’ve had wildly different reactions to margaritas at different bars, this is usually why, you’re not drinking the same tequila every time, even if the menu says the same thing.
Portion size is inconsistent. A margarita poured at a bar can range from a light single pour to a double shot’s worth of tequila depending on the bartender, and frozen versions are notoriously easy to drink fast since the ice cuts the perceived strength. You can end up with more alcohol in your system than you meant to, purely because the drink didn’t feel as strong as it was.
Does Frozen vs. Shaken Actually Matter?
Yes, and it comes back to both of the points above. A shaken margarita is a fixed ratio you can control: the same tequila, citrus, and liqueur every time. A frozen margarita from a machine is usually made with a pre-made mix designed to be sweet enough to mask a lot of alcohol, and the cold, slushy texture makes it easy to drink faster than a rocks-glass version. Neither format is inherently worse because it’s frozen, but frozen versions are far more likely to be the sugar-heavy, mixto-tequila kind of margarita that causes the roughest mornings.
Does the Salt Rim Make It Worse?
Not meaningfully. The amount of salt on a rimmed glass is small, and it’s not a significant contributor to the dehydration alcohol is already causing. If you’re licking salt off your hand between shots of tequila, that’s a different amount of sodium than a light rim on a margarita glass. The rim is not the part of this drink worth worrying about.
Making a Margarita That’s Easier the Next Day
None of this means margaritas are off the table; it means the version you’re making at home can sidestep most of what causes the problem.
- Use a 100% agave blanco tequila. It’s unaged, so it carries a lower congener load than reposado or añejo, and 100% agave means you’re not drinking the added sugars and flavoring that come with mixto tequila.
- Use fresh lime juice, not bottled sour mix. A classic 2:1:1 ratio, tequila, lime, orange liqueur, has far less added sugar than anything built around a pre-made mix.
- Skip the extra simple syrup. If a recipe calls for agave syrup or simple syrup over the orange liqueur, you’re stacking sugar on sugar. The orange liqueur already provides sweetness.
- Match your water intake to your drink count. Since dehydration is the biggest driver of hangover severity, a glass of water between margaritas does more for tomorrow than any specific tequila choice.
- Pay attention to your actual pour. At home, you control exactly how much tequila is in each glass, which removes the guesswork that makes bar margaritas easy to overdo.
The honest answer to “does a margarita give you a worse hangover” is: not because it’s a margarita, and not really because of the tequila. It’s the sugar, the tequila quality, and how easy the drink is to overdrink that decide how you feel tomorrow, and all three of those are things you can actually control when you’re making it yourself.
References
- Quit Alcohol: 7 Drinks That Lead to Bad Hangovers: congener and dark-liquor hangover research summary
- WebMD: Guide to a Hangover: dehydration and blood-alcohol mechanism
Muhammad Hussain is the creator of MargaritaLab.com, where he tests and analyzes margarita recipes, ingredients, and techniques to help readers make better drinks at home. Over time, he has experimented with different tequila types, lime juice variations, and store-bought mixes to understand what actually makes a balanced margarita.
His approach combines hands-on testing with detailed research, focusing on real-world results rather than theory. Whether comparing fresh vs bottled lime juice or reviewing popular margarita mixes, his goal is to simplify the process and share what truly works.
