Although little data exists on mixing alcohol and Claritin, it is known that drinking can be dangerous if you take stimulants. This is because stimulants, such as caffeine, counteract the sleepy feeling you get when you have had too much alcohol, leading you to drink more than you may have otherwise. Although loratadine itself is not a stimulant, the pseudoephedrine that is also present in Claritin-D is a stimulant. Therefore, it is possible that the stimulant action of pseudoephedrine may put you at risk for excessive drinking. Most antihistamines are central nervous system depressants and can be sedating. Although loratadine is less sedating than some other antihistamines, drowsiness and dizziness are still possible side effects, especially when the drug is mixed with alcohol.


While Claritin doesn’t usually cause drowsiness on its own, this side effect is more likely when alcohol is present. According to the National Institute on Alcohol Abuse and Alcoholism , alcohol can interact with antihistamines like Claritin. However, loratadine, desloratadine and fexofenadine seem to be less likely to make you feel sleepy than cetirizine. Loratadine blocks the effects of histamine and so reduces these symptoms.

Drug interactions might alter how your drugs function or raise the possibility of major negative side effects. All probable medication interactions are not included in this text. Keep a list of everything you use, including herbal items, prescription and over-the-counter medications, and provide it to your doctor and pharmacist. Without your doctor’s consent, never start, stop, or change the dosage of any medications. The combination of substances is thought to cause the liver to process alcohol slowly, allowing it to build up in the bloodstream and increase the risk of overdose.

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  • If you or a loved one struggle with drinking, you do not have to face your addiction alone.
  • Alcohol impairs judgment, frequently making people overestimate their abilities while their abilities are, in reality, impaired from alcohol use.
  • If your baby is not feeding as well as usual, or seems unusually sleepy, or if you have any other concerns about your baby, talk to your doctor, pharmacist, health visitor or midwife.
  • Using Claritin and alcohol together may be relatively safe compared to using alcohol with other medications, but there are still some side effects that should be considered.
  • This is because they both affect the central nervous system and can lead to serious side effects like drowsiness, dizziness, disorientation, and more.

You may only need to take loratadine on a day when you have symptoms, for instance if you’ve been exposed to a trigger such as animal hair. Or you may need to take it regularly to prevent symptoms, such as hay fever during spring and summer. Taking more than the suggested dose of Loratadine may cause drowsiness. In the case of an overdose, get medical help or contact a Poison Control Center right away- always follow label directions.

Loratadine and pregnancy

This is because alcohol inhibits the body’s ability to absorb Claritin. The result is that instead of being able to block the effects of histamine, you’re more likely to experience more severe symptoms when you take Claritin and drink alcohol together. Because of this, thousands of people every year seek medical attention for accidental overdose. As is the case with other antihistamines, mixing Claritin and alcohol can make you very drowsy.

Drinking during this timeframe can put you at risk of increased side effects, includingalcohol-related liver disease. Many people turn to over-the-counter drugs like Claritin to relieve the discomfort of seasonal allergies. If you drink alcohol, however, you may wonder if it is safe to drink while taking Claritin or other allergy medications. Notably, Claritin’s package labeling does not discuss1if drinking is safe to do while on the medication. This may lead people to believe there is no risk of side effects if you drink while taking Claritin. However, doing so can compound the side effects of both alcohol and Claritin.


You may not realize thatdrinking alcohol causes brain damage. If you have apprehensions about quitting drinking because you’re nervous about the effects of alcohol withdrawal, talk to one of our addiction specialists. Please, do not try to detox on your own because the detox process can be painful and difficult without medical assistance. If you or someone you know regularly exceeds these recommended daily limits or is experiencing theeffects of alcohol withdrawal, it is important to intervene early. We Level Up NJ has addiction specialists that are standing by to help. Mixing alcohol and Claritin is not safe or advisable because when these substances are mixed, the side effects of each substance are worsened.

To identification of optimal therapeutic window potentially dangerous Zyrtec alcohol interactions, you should refrain from consuming wine, beer or other alcoholic drinks while taking this antihistamine. Some seemingly innocuous medications, including many over-the-counter drugs, can interact negatively with alcohol. Certain herbal remedies, often publicized as having beneficial effects for varied health conditions, can also be harmful when taken with any type of alcoholic beverage. Although antihistamines can provide relief from allergy symptoms, taking an antihistamine and alcohol together may trigger some unwelcome side effects. You could become extremely drowsy and find it difficult to concentrate. However, Claritin, a “second-generation” antihistamine, is relatively non-drowsy for most individuals.

Generic Name(S): loratadine

We provide a detailed list of symptoms and complications of grass pollen allergies and tips for treatment. Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. You can learn more about how we ensure our content is accurate and current by reading our editorial policy. You should also speak to your doctor about taking Claritin with other medications that can cause drowsiness, as Claritin can worsen this side effect. Mixing alcohol and Claritin could leave you feeling tired or sleepy.


In adults without liver problems, loratadine has a half-life of 8.4 hours, meaning that it takes 8.4 hours to clear half of a single dose from your body. Since it takes around five half-lives for a drug to completely leave your system, loratadine can remain present in your body for more than 40 hours. You should use caution if mixing either Claritin or Claritin-D with alcohol.

Mixing Alcohol and Cold Medicine

Mixing alcohol with allergy, cold, and flu medications is tricky because many people are often unaware of all the ingredients in their medications. Most over-the-counter cold and flu combination medications contain multiple active ingredients. When consuming one or more cold, flu, or allergy medications, read the labels carefully and pay attention to overlapping ingredients and any alcohol warnings. If you have any questions about what is safe to take, you can call your doctor or speak to a pharmacist. Although most antihistamines can make you feel drowsy, Zyrtec-D is an exception, notes the Mayo Clinic.

mixing alcohol

GOV.UK has more information on the law on drugs and driving. Feeling tired or nervous – talk to your doctor or pharmacist if these side effects do not go away. This medication is used to treat allergy symptoms and signs such as inflammation of the nose or throat. It works by reducing swelling so you can breathe better and cough less.

Do not take more of this medication than recommended for your age. For this reason, it is especially important for patients who take loratadine to carefully follow their physicians’ dosage recommendations. A sensible first step would be to request a printed dosage form for loratadine and alcohol use from your prescribing doctor.

Although you can take medications that provide symptom relief, Harvard Health Publishing states that allergy pretreatment, or antihistamines, will result in better symptom control. When some of those airborne particles enter your eyes, throat and nose, your body releases histamines to combat the perceived invaders. Symptoms may include congestion, sneezing, a runny or stuffy nose, itchy eyes, a chronic cough and a sore throat. Alcohol impairs judgment, frequently making people overestimate their abilities while their abilities are, in reality, impaired from alcohol use. When alcohol and Claritin are mixed, people’s abilities become even more impaired due to the increased sleepiness and dizziness.

Reducing Alcohol Intake May Reduce Allergy Symptoms

If you are having any unusual problems after taking your medicine, call your doctor. If you are think you may be experiencing a medical emergency, call 911 immediately. While these medications can be very beneficial in providing a much-needed reprieve from bothersome symptoms, they can be unsafe when used improperly—for example, when consumed with alcohol. Both the common cold and bouts of the flu are caused by viruses and are characterized by runny and stuffy nose, congestion, cough, head and body aches, fever, and fatigue. These respiratory illnesses tend to resolve relatively quickly.

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As well as taking a non-drowsy antihistamine like loratadine during the day, your doctor may tell you to take a sedating antihistamine at night if the itching is making it difficult to sleep. Most people prefer to take a non-drowsy antihistamine instead of a sedating one. An exception is when you want the medicine to make you sleepy – for example, if you have itchy skin that’s keeping you awake. It’s less likely to make you feel sleepy than other, so-called, sedating antihistamines such as Piriton . Headaches should normally go away after the first week of taking loratadine. Talk to your doctor if they last longer than a week or are severe.