Can You Drink Alcohol on Doxycycline? What the Sources Say

Quick answer: No source we checked gives a safe number of drinks on doxycycline, and none gives a wait time after the last dose. The Doryx MPC label lists its drug interactions, and alcohol isn’t among them. A 2020 systematic review says doxycycline may have reduced efficacy in chronic alcoholism. A small 1982 study of six healthy medical students found that whisky did not significantly change absorption of 200 mg of doxycycline. A cheap red wine with a clear taste of acetic acid postponed absorption for 2 to 3 hours without affecting its 24-hour AUC or urinary excretion significantly. Tell your prescriber how much you drink, and let them decide.

This page covers the questions people type into search: can you drink alcohol on doxycycline, how long to wait, and what alcohol might do. The answers come from the FDA label, MedlinePlus, the American Academy of Dermatology and published studies. Where no source answers, we say so.

Can you drink alcohol while taking doxycycline?

The honest answer is that the official sources are quiet on it. The Doryx MPC label is the prescribing information for one delayed-release doxycycline hyclate tablet. Its drug interactions section covers anticoagulants, penicillin, antacids and iron products, oral contraceptives, barbiturates, carbamazepine, and phenytoin. Alcohol isn’t in that list, and the word appears in the label only in the chemical description of the drug.

MedlinePlus is just as quiet on the subject. Its dietary instructions for doxycycline say to continue your normal diet unless your doctor tells you otherwise. That sentence doesn’t mention alcohol, and it isn’t a green light for it.

Silence in a label isn’t proof of safety, and it isn’t a ban. It means the people who wrote these documents didn’t set a rule. Other doxycycline products have their own labels, so check the one in your pharmacy bag and ask your pharmacist if anything about alcohol is printed on it.

What do studies say about alcohol and doxycycline?

The research is thin and old. A 2020 systematic review in Antimicrobial Agents and Chemotherapy looked at the evidence behind alcohol warnings on antibiotics. It says data on alcohol and antibiotics are sparse. It says doxycycline “may have reduced efficacy in chronic alcoholism”. It names other antibiotics for which available data support use with alcohol, and doxycycline isn’t among them. That isn’t the same as saying doxycycline is unsafe with alcohol.

What about long-term alcohol consumption?

A 1976 study compared patients on long-term alcohol consumption, whom the abstract calls alcoholics, with controls. The half-life of doxycycline, but not that of tetracycline, was significantly shorter in alcoholics than in controls. In some patients the serum concentration of doxycycline “decreased below the generally accepted minimum therapeutic concentration when dosed once daily”. The paper says dosing twice daily might be indicated, especially if additional inducing drugs are used. That is a prescriber’s call, and nobody should change a dose alone.

The 1976 study measured people with long-term alcohol use, not a person who has a glass of wine on a Saturday. It also didn’t test acne treatment. Read it as a reason to tell your prescriber about long-term alcohol consumption, not as a finding about an occasional drink.

What about a drink taken around a dose?

A 1982 crossover trial gave six healthy medical students 200 mg of doxycycline in two tablets along with alcohol. Alcohol taken as whisky did not significantly change absorption. A cheap red wine with a clear taste of acetic acid postponed the absorption of doxycycline for 2 to 3 hours without affecting its 24-hour AUC or urinary excretion significantly. A second trial with eight students suggested that good regular wines did not slow absorption.

Six students is a small group, and one dose is not a course of treatment. The 1982 abstract reports absorption, 24-hour AUC and urinary excretion. It says nothing about nausea, the liver or whether your breakouts clear. We cite it because it is the closest thing we found to a direct test of a drink with a dose, and it shouldn’t be stretched further than that.

Does doxycycline cause a reaction with alcohol like metronidazole does?

The 2020 review notes that a disulfiram-like reaction is classically associated with metronidazole. It says cephalosporins with an MTT side chain or an MTDT ring, ketoconazole, and griseofulvin have an increased risk of that reaction. The abstract doesn’t name doxycycline among the drugs with an increased risk. The Doryx MPC label doesn’t describe such a reaction either.

The 2020 review also says that interactions between alcohol and antimicrobials are often lacking evidence, and that common beliefs rest on poor and sometimes conflicting data. So the sources do not name doxycycline among drugs with an increased disulfiram-like risk. They do not show that doxycycline and alcohol are proven fine together.

Could alcohol add to doxycycline’s side effects?

We found no label, AAD page or study abstract that says alcohol makes a specific doxycycline side effect more likely. That matters, because plenty of websites claim it does. The Doryx MPC label lists effects you should know, and it doesn’t tie them to alcohol.

The Doryx MPC label lists anorexia, nausea, vomiting and diarrhea among the gastrointestinal reactions seen with tetracyclines. It says hepatotoxicity has been reported. For long-term therapy it says periodic laboratory evaluation of organ systems, including hepatic studies, should be performed. None of those passages mention alcohol, so we can’t say alcohol raises the chance of any of them.

If you feel sick after a drink while on doxycycline, you can’t tell from the symptom alone whether the pill, the alcohol or both caused it. Tell your prescriber what happened and how much you had. Our article on doxycycline side effects covers the full list.

How long should you wait to drink after doxycycline?

No source we checked gives a waiting period, either between a dose and a drink or after your last dose. The Doryx MPC label sets no alcohol rule. MedlinePlus sets no alcohol rule either. The 1976 study and the 1982 study measured blood levels and absorption respectively, and neither recommended a gap.

Any website that gives you an exact number of hours or days is offering a number these sources don’t support. Two relevant facts do exist, though. MedlinePlus says to keep taking doxycycline until you have finished it, unless your doctor tells you otherwise. The 2020 review says doxycycline may have reduced efficacy in chronic alcoholism.

If you want a firm answer for your own situation, ask the prescriber who wrote the prescription. They know your dose, your other medicines and your health history. A pharmacist can also look at the exact product you were given.

What if a night out makes you miss a dose?

MedlinePlus says to take a missed dose as soon as you remember it. If it is almost time for the next dose, skip the missed one and go back to your regular schedule. It adds that you shouldn’t take a double dose to make up for a missed one.

The same page says to drink a full glass of water with each dose, and that you may take it with food or milk if it upsets your stomach. The Doryx MPC label says esophagitis and esophageal ulcerations have been reported in patients receiving capsule and tablet forms of tetracycline-class drugs. Most of these patients took medications immediately before going to bed. If your evening ends late, take the dose with a full glass of water.

The Doryx MPC label says absorption of tetracyclines including Doryx MPC is impaired by antacids containing aluminum, calcium, or magnesium, bismuth subsalicylate, and iron-containing preparations. If a heavy meal or a drink leaves you reaching for an antacid, MedlinePlus explains how to space it around your dose. Our doxycycline for acne article covers how to take it day to day.

Does drinking change how well doxycycline works on acne?

We found no AAD page, label or trial abstract that tests whether alcohol changes how well doxycycline clears acne. The one hint comes from the 2020 review about chronic alcoholism and the 1976 half-life study. Neither one of them measured breakouts.

What the AAD does say about results concerns timing and follow-through on the plan. The AAD says it takes at least 6 to 8 weeks before you start to see fewer breakouts. Its antibiotics page says dermatologists prescribe an antibiotic for the shortest time possible. It adds that you may need to use benzoyl peroxide or adapalene gel along with an antibiotic.

The AAD says you need to stick to your treatment plan to see clearing. The antibiotics page says to keep all follow-up appointments so your dermatologist can see whether the treatment is working. Our living well on acne treatment article covers the rest of the routine.

Does the answer change for other antibiotics or for isotretinoin?

The sources here don’t show whether the alcohol answer differs for minocycline or any other antibiotic. The 2020 review’s abstract lists tetracycline, doxycycline and other antibiotics separately, and it doesn’t group them. If you take a different antibiotic, don’t assume this page applies. Our doxycycline vs minocycline article compares the two drugs, but it isn’t a guide to drinking on either one.

Isotretinoin is a separate question again. The Doryx MPC label says to avoid concomitant use of isotretinoin and Doryx MPC because isotretinoin is also known to cause pseudotumor cerebri. The label says to avoid concomitant use of isotretinoin and Doryx MPC, and your prescriber decides what comes next. Our Accutane and alcohol article is about the isotretinoin label and drinking, which is a different set of statements. Our doxycycline vs Accutane® article compares the two drugs.

Which symptoms mean you should call your doctor?

Some symptoms can’t wait, whether or not you’ve been drinking. MedlinePlus says to call your doctor immediately for headache, blurred vision, seeing double, or loss of vision. It says the same for watery or bloody stools, stomach cramps, or fever, during treatment or for up to two or more months after stopping. It says to call immediately for discoloration of permanent (adult) teeth too.

The Doryx MPC label says intracranial hypertension, also called pseudotumor cerebri, has been associated with tetracycline including Doryx MPC. Manifestations include headache, blurred vision, diplopia, and vision loss. If something feels like an emergency, call 911. If you have a headache, blurred vision, seeing double, or loss of vision, call your doctor rather than blaming a hangover.

What should you ask your prescriber about drinking?

A prescriber can answer for your dose, your other medicines and your health history. Ask how much alcohol is reasonable for you, given what you drink in a typical week. Ask whether your specific doxycycline product has any alcohol instruction on its label. Ask whether any antacid, iron or calcium product needs spacing from your dose, what to do after a missed dose, and when your course ends.

Be specific about your drinking, even if it feels awkward, so your prescriber has something to use. The 2020 review flags chronic alcoholism, and the 1976 study flags long-term alcohol consumption.

Where does The Goal Is Clear fit in your plan?

At The Goal Is Clear, every case is reviewed by a U.S. board-certified dermatologist licensed in your state. The company doesn’t use nurse practitioners or physician assistants to diagnose acne or write prescriptions. You can ask your dermatologist a question like this one through your dashboard. The how it works page says you can message them with refill questions, side-effect reports and dosage concerns, and that a real person reads every message.

You take a quiz of about two minutes, upload a front photo and a side photo, and check out through secure billing. A board-certified dermatologist reviews your case within 24 hours. Your dermatologist reads the intake, reviews photos, and either writes the prescription, asks follow-up questions, or routes you to in-person care if your case is out of scope. Care is not a guarantee of any prescription, per the pricing page.

Care is one flat price, and the pricing page lists the Acne Care path as topicals, antibiotics and more. Medication is billed separately by the pharmacy, as low as $0 for the prescription with insurance (see the cost FAQ). You pay at checkout and get a full refund if your board-certified dermatologist doesn’t prescribe. BNG Health Services, LLC operates the brand and is not the prescribing physician. More answers are in our FAQ.

Common questions about drinking alcohol on doxycycline

Can you drink alcohol on doxycycline? The Doryx MPC label and MedlinePlus don’t set an alcohol rule, and no source we checked gives a safe number of drinks. A 2020 review says doxycycline may have reduced efficacy in chronic alcoholism. Tell your prescriber how much you drink.

How long should you wait to drink after taking doxycycline? No source we checked gives a waiting time after a dose or after your last dose. MedlinePlus says to keep taking the medicine until you finish it. Ask your prescriber or pharmacist about your own situation.

Can you drink wine or beer on doxycycline? We found no source that compares wine, beer and spirits for acne results. A 1982 trial of six healthy students found that whisky didn’t significantly change absorption of a single dose. A cheap red wine with a clear taste of acetic acid postponed absorption for 2 to 3 hours without affecting its 24-hour AUC or urinary excretion significantly. That is a small study, not a drinking guide.

Does alcohol make doxycycline less effective? The 2020 review says doxycycline may have reduced efficacy in chronic alcoholism, and a 1976 study found a significantly shorter half-life in alcoholics than in controls. We found no study on occasional drinking and acne results.

Does doxycycline cause a reaction with alcohol like metronidazole? The 2020 review says a disulfiram-like reaction is classically associated with metronidazole, and the abstract does not name doxycycline among drugs with an increased risk. The Doryx MPC label doesn’t describe such a reaction. Hepatotoxicity and gastrointestinal effects are listed on the label separately, with no link to alcohol.

What is a sensible way to think about all this?

Treat the sources as a map of what is known and what isn’t. Known: the Doryx MPC label and MedlinePlus set no alcohol rule. One 2020 review says doxycycline may have reduced efficacy in chronic alcoholism. A 1976 study found a significantly shorter half-life in alcoholics than in controls. Not known: a safe number of drinks, a waiting time, or any effect of a single drink on your breakouts.

Given that, the practical steps are plain. MedlinePlus says to drink a full glass of water with each dose. Tell your prescriber about your real drinking pattern. Keep all follow-up appointments, and give the plan at least 6 to 8 weeks before you expect fewer breakouts.

If you’d like a board-certified dermatologist to look at your case, take the quiz of about two minutes and upload a front photo and a side photo. The about page explains who runs the company.

This article is general information, not medical advice. A prescription is never guaranteed, and treatment decisions stay with the board-certified dermatologist who reviews your case. Accutane® is a registered trademark of its respective owner, and isotretinoin is the generic name. Doryx® is a registered trademark of its respective owner. The Goal Is Clear is operated by BNG Health Services, LLC, which is not the prescribing physician, and board-certified dermatologists prescribe.

Sources

• Mergenhagen et al., Fact versus Fiction: a Review of the Evidence behind Alcohol and Antibiotic Interactions, Antimicrob Agents Chemother 2020
• Neuvonen et al., Effect of long-term alcohol consumption on the half-life of tetracycline and doxycycline in man, Int J Clin Pharmacol Biopharm 1976
• Mattila et al., Effect of alcoholic beverages on the pharmacokinetics of doxycycline in man, Acta Pharmacol Toxicol 1982
• Doryx MPC (doxycycline hyclate) prescribing information, DailyMed
• MedlinePlus, Doxycycline
• American Academy of Dermatology, Acne: Diagnosis and treatment
• American Academy of Dermatology, How long can I take an antibiotic to treat my acne?