How Long After ZYRTEC Can I Drink Alcohol (And Why)?

Exact Answer: At Least 48 Hours After Medication

Mixing alcohol and Zyrtec can affect body parts of your body. Mixing these two have worse effects on the brain. This can lead to severe side effects on the nervous system and liver.



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There are certain foods and activities which are avoided while taking treatment or medication. Some people after drinking alcohol on Zyrtec(cetirizine) feel faint, nodding and have difficulty in being attentive. That’s why it is suggested not to consume alcohol while consuming Zyrtec(cetirizine). Excess doses of Zyrtec is also dangerous and can affect mental health.

If you have consumed Zyrtec, you should wait at least 48 hours to consume alcohol after your advised doses from the doctor.

How Long After ZYRTEC Can I Drink Alcohol

How Long After Zyrtec Can I Drink Alcohol?

Name of Medicine

Time taken

Food and Drinks to Avoid
ZYRTEC (CETRIZINE)At Least 48 Hours After DoseConsuming alcohol, any drinks that contains caffeine, citrus fruits.

Zyrtec is cyproheptadine or antihistamine used for the prevention of allergies like Hay fever, itching in nose and throat, watery eyes, and urticaria. The medicine is usually taken in oral form and comes in Tablet for adults and Syrup for Small kids. The effects of medicine come after an hour and last for the whole day. The common name of this drug is Cetirizine. It has different forms named as Zyrtec-D contains Pseudoephedrine and Cetirizine. Pseudoephedrine is the drug that works as a pain-killer for nasal/sinusitis infections.

Zyrtec is usually a safe and effective drug, but using it in the proper way and taking certain precautions while taking any drugs. Excess use of any drugs can cause long term effects, so it is very important to take proper doses to avoid side-effects. Extra doses of Zyrtec can lead to serious side-effects like dangerous tiredness, xerostomia, blurry vision, and overheating. Zyrtec can also cause adverse effect such as:

  1. Stomach pain
  2. Diarrhea
  3. Vomiting

Concern to your doctor about any side-effects while taking Zyrtec if needed, usually these side-effects do not cause any emergencies.
Zyrtec (Cetirizine) has to be taken in proper duration and proper dose. Zyrtec is available in two forms Capsules/Tablets and Syrup. Adults and children above 6 years are prescribed to take Capsules/Tablets.

The correct dosage for adults younger than 65 years and children above 6 years is 10-milligram (mg) per day. Doctors strictly advise everyone not to take more than 10mg in 24 hours. Zyrtec syrup is prescribed for children in the age group 2-6 years old. Concern to doctors for the dosage of people who are above 65 years and have liver or kidney disease and should avoid eating citrus foods, and consumption of Alcohol and drinks which contain caffeine.

Why Shouldn’t You Consume Alcohol If You Had Zyrtec Drug?

Mixing Zyrtec (Cetirizine) with Alcohol can cause many severe and long-term health problems, health problems affect all part of body. But particular part of body may get more affected than other body parts. Illnesses do differ based on gender. National Institute on Alcohol abuse Alcoholism has classified it into two categories.

The first category, Pharmacokinetic it reduces effect of the drug, it is suggested that alcohol reduces the effects. The second category is Zyrtec (Cetirizine) when mix with alcohol makes Pharmacodynamic effect which means it reduce the mechanism of drug and causes associated dangers.

  1. Liver damage– Zyrtec and alcohol when mixed together they can cause severe liver damage, and alcohol damage liver function acutely and add strain to liver.
  2. High Blood Pressure- When alcohol is consumed after taking Zyrtec for 48 hours it increases blood pressure and heart rate of individual also increases.
  3. Bodily harm– Both alcohol and Zyrtec with alcoholic beverages it makes body tired, lazy, sleepy and poor concentration and this can lead to acute accident.


If you have consumed Zyrtec, it is advised to not consume alcohol before 48 hours. Because it take certain time for drug to clear out from body and immune system and prevent yourself for any side-effects or infection by consuming alcohol at same time you taking Zyrtec.

So, it is advised to avoid alcohol after taking Zyrtec medicine, and if situations get worse and symptoms of side-effects, consult to prescribed medical expert for any queries and questions regarding Zyrtec.


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