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Can you drink alcohol with a decongestant?

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Emily Cortez

Published Mar 12, 2026

Can you drink alcohol with a decongestant?

Most over-the-counter cold and flu remedies contain a mix of different painkillers, antihistamines, and decongestants, and some (like NyQuil) even contain alcohol. Check the ingredients on the box before taking any of these with alcohol. Effects can include drowsiness, dizziness, and an increased risk of overdosing.

Likewise, people ask, can you drink alcohol with Sudafed decongestant?

There are also no warnings against drinking alcohol while taking Sudafed. However, in rare cases, alcohol may increase certain side effects of Sudafed, such as dizziness. If you've taken Sudafed for a week and your symptoms don't go away or get better, call your doctor.

One may also ask, what medications should not be taken with alcohol? Drugs That Are Dangerous With a Drink

Type of MedicationCommon Example(s)
AntibioticsAzithromycin (Zithromax) Doxycycline (Vibramycin) Erythromycin Metronidazole (Flagyl)
Blood pressure drugsCaptopril (Capoten) Felodipine (Plendil) Nifedipine Diuretics, such as hydrochlorothiazide
Blood thinnersWarfarin (Coumadin)

Also question is, can you drink alcohol while taking phenylephrine?

Notes for Consumers: It is best to limit or avoid alcoholic drinks while you are taking this medicine. Using this medicine with alcohol can lead to additive side effects such as increased drowsiness.

How long should I wait to drink alcohol after taking medicine?

You may be able to consume a limited amount safely, as long as you follow certain rules (for example, waiting at least four hours after taking your daily dose before having an alcoholic drink).

What should you not mix with Sudafed?

Do not take more pseudoephedrine than recommended. Caffeine can increase the side effects of this medication. Avoid drinking large amounts of beverages containing caffeine (coffee, tea, colas), eating large amounts of chocolate, or taking nonprescription products that contain caffeine.

Why is Sudafed bad for you?

Pseudoephedrine works by narrowing the blood vessels in your nose, but it also narrows the blood vessels in other parts of your body. This can increase your blood pressure and your heart rate. If you have any heart problems or you're worried about this, speak to a pharmacist or doctor about a different treatment.

Is Sudafed good for sinus infection?

Antihistamine Medications

Along the same lines as OTC options, antihistamine medications, such as Sudafed, Claritin, Zyrtec or Benadryl, can also offer sinus infection symptom relief.

What is the best decongestant for sinuses?

First Look
  • Best Overall: GoodSense Nasal Decongestant at Amazon.
  • Best Natural: Vicks Cool Mist Humidifier at Amazon.
  • Best Spray: Flonase Allergy Relief Nasal Spray at Amazon.
  • Best for Colds: Mucinex Sinus-Max Liquid at walgreens.com.
  • Best for Sinus Infections: Sudafed PE Pressure + Pain + Relief at Amazon.

Does Sudafed really work?

Yes. Most patients and healthcare providers will agree that Sudafed (pseudoephedrine) is more effective for congestion than its counterpart Sudafed PE (phenylephrine). This is likely due to the fact that the intestines will absorb only about 38% of the amount of Sudafed PE in one tablet, while Sudafed is 100% absorbed.

Can Sudafed make you sleepy?

Drowsiness, dizziness, dry mouth/nose/throat, headache, upset stomach, constipation, or trouble sleeping may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

Why do decongestants not work?

But oral decongestants must be absorbed through the gastrointestinal tract before they hit the blood stream, and they cause blood vessels to constrict throughout the body – not just the nose. "It's a really inefficient way to treat nasal congestion," Hatton said.

Why does pseudoephedrine make me feel good?

The sensations that are felt from a pseudoephedrine high are described as short-term and can raise energy levels, cause a ticklish feeling on the skin, and induce a sense of euphoria. The blood pressure increase that is experienced during a pseudoephedrine high is a result of the constriction of blood flow.

Can you have a glass of wine while taking pseudoephedrine?

Sudafed is a stimulant

“[This] can lead to excessive drinking or alcohol-related injuries from drinking more.” Alcohol can also intensify the side effects of Sudafed, such as increased blood pressure, increased heart rate, dizziness, anxiety, and blurred vision, McMillan and Dr. Soliman say.

Does alcohol cause nasal congestion?

Bassett notes that alcohol has a natural vasodilatory effect in the skin (that's why you feel warm when you start drinking), and that can also lead to short-term nasal congestion as the many blood vessels in your nasal cavity expand.

What drugs interact with phenylephrine?

Severe Interactions of phenylephrine include:
  • iobenguane I 123.
  • isocarboxazid.
  • linezolid.
  • phenelzine.
  • procarbazine.
  • selegiline transdermal.
  • tranylcypromine.

What happens if you take too much phenylephrine?

What happens if I overdose on Phenylephrine Nasal (4-Way)? Overdose symptoms may include severe dizziness or drowsiness, slow heart rate, and fainting.

How long does phenylephrine stay in your system?

The elimination half life of phenylephrine is about 2.5 to 3.0 hours.

How long is Sudafed in your system?

Amphetamines can be detected in the blood for four to six hours, in the saliva for 24 to 48 hours, in urine for up to four days and in the hair for up to 90 days.

Testing for Amphetamines.

Amphetamine-Type StimulantsDetection Time
Ephedrine/pseudoephedrineUp to five days

Can I have a glass of wine after Aleve?

Generally, you can drink alcohol when you use Aleve without harmful effects. However, you need to use Aleve as directed and drink only moderately.

Will phenylephrine keep me up?

Sudafed Pe (Phenylephrine) Clears your sinuses. Sudafed (Pseudoephedrine) relieves stuffy nose, but it could keep you up at night. Don't forget your photo ID or you won't be able to buy it in the drugstore.

What are the side effects of drinking alcohol while taking medication?

Alcohol interactions with medications may cause problems such as:
  • Nausea and vomiting.
  • Headaches.
  • Drowsiness.
  • Dizziness.
  • Fainting.
  • Changes in blood pressure.
  • Abnormal behavior.
  • Loss of coordination.

Which alcohol is good for high blood pressure?

If you've been advised against drinking for very high blood pressure, there may be salvation in one kind of wine: nonalcoholic. One study found that three glasses of nonalcoholic red wine a day over a month led to a significant drop in blood pressure in men with heart disease risk factors.

Can I have a glass of wine while taking beta blockers?

Why Mixing Beta-Blockers and Alcohol Is a Bad Idea. Drinking alcohol while you're taking beta-blockers generally isn't recommended by doctors. Beta-blockers lower your blood pressure by slowing your heart rate and reducing the force of each beat. Alcohol can also lower your blood pressure.

What drugs interact with alcohol?

According to a study conducted by the NIH looking at drugs and alcohol, the most common medications that interact with alcohol involve these drug classes:
  • High blood pressure medication.
  • Sleeping pills (sedatives and hypnotics)
  • Anxiety Medications.
  • Pain medications (analgesics)
  • Skeletal muscle relaxants.
  • Diabetes medicine.

What vitamin should I take before drinking alcohol?

The most important of which are vitamins B and C. Those people that use a vitamin B complex — a pill that includes B1 (thiamine), B2 (riboflavin), folic acid, B6 and B12, among others — to combat hangovers swear by their effectiveness.

Is Whiskey good for high blood pressure?

Whiskey's potential health benefits are associated with low to moderate amounts. Over time, high alcohol consumption can increase your risk of chronic disease and other health issues. Whiskey's heart benefits come with small doses. Heavy alcohol use can lead to high blood pressure, high cholesterol, and heart disease.

Is there anxiety medications you can drink on?

Drinking alcohol while taking antidepressants is generally not advised because alcohol can make depression worse. It can also increase the side effects of some antidepressants, such as drowsiness, dizziness and co-ordination problems.

Which part of the body removes alcohol from the body?

Metabolism of alcohol

More than 90% of alcohol is eliminated by the liver; 2-5% is excreted unchanged in urine, sweat, or breath.

What effect does drinking alcohol and taking prescription drugs or over the counter medicine have?

You've probably seen this warning on medicines you've taken. The danger is real. Mixing alcohol with certain medications can cause nausea and vomiting, headaches, drowsiness, fainting, or loss of coordination. It also can put you at risk for internal bleeding, heart problems, and difficulties in breathing.

Can I drink alcohol 4 hours after taking paracetamol?

Paracetamol and ibuprofen

Drinking a small amount of alcohol while taking paracetamol or ibuprofen is usually safe. Paracetamol should be used with caution if you have certain health conditions, such as liver problems. A GP or pharmacist can advise you.

Does ibuprofen increase the effects of alcohol?

The National Institutes of Health (NIH) state that ibuprofen can interact with alcohol, which can worsen the usual side effects of ibuprofen. These side effects can include bleeding, ulcers, and a rapid heartbeat.

How can drinking even moderate amounts of alcohol permanently affect teens?

Research conducted by neuropsychologists at Duke University indicates that in adolescents, drinking even a moderate amount of alcohol may damage the hippocampus, the part of the brain that enables you to learn and remember.

Can you have alcohol while taking an antibiotic?

Mixing alcohol with antibiotics is rarely a good idea. Both alcohol and antibiotics can cause side effects in your body, and drinking alcohol while taking antibiotics can raise your risk of these harmful effects. If the label on your drug says not to drink alcohol during treatment, follow that advice.

Does wine stop antibiotics working?

Although modest alcohol use doesn't reduce the effectiveness of most antibiotics, it can reduce your energy and delay how quickly you recover from illness. So, it's a good idea to avoid alcohol until you finish your antibiotics and are feeling better.

How long should you wait to take paracetamol after drinking alcohol?

DO NOT take acetaminophen (Tylenol, Paracetamol, etc.) with alcohol, it interferes with liver function and cause hepatoxicity and even death. If you take for hangover symptoms, wait until most of the alcohol has been eliminated ( the liver gets rid of one standard drink an hour).

Can I drink alcohol after taking Tylenol?

Drinking alcohol while you take acetaminophen causes your body to make more of the harmful substance, and it becomes more difficult for your body to remove it. So, mixing too much alcohol with any acetaminophen (or too much acetaminophen with any alcohol) can make removal of this substance even more difficult.

Does drinking alcohol raise your blood pressure?

Drinking too much alcohol can raise your blood pressure. If you have been diagnosed with high blood pressure (HBP or hypertension), your doctor may advise you to reduce the amount of alcohol you drink.