Interaction Details

Cetirizine Hydrochloride is classified as belonging to the following category: Cetirizine (Zyrtec)

Theoretically, concomitant use might increase the risk of CNS impairment.
Cetirizine may cause somnolence in some patients. There is some concern that taking cetirizine in conjunction with alcohol might reduce alertness and impair CNS performance.

Interaction Rating


Likelihood of Occurrence


Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists


  • Zyrtec (Cetirizine) prescribing information. Pfizer Labs, Inc. New York, NY, October 2002. Available at:,%2020346s8lbl.pdf

Beer Overview

Beer Beer is a popular beverage made from fermented sugars derived from starch-based materials, such as malted barley. Beer contains minerals like magnesium, potassium, selenium, and B vitamins, as well as flavonoids, especially in darker beers. These flavonoids, along with other compounds like xanthohumol from hops, have been studied for potential health benefits. Some research suggests that beer, particularly its polyphenolic compounds, may have antioxidant effects, which could contribute to protection against atherosclerotic cardiovascular disease. Moderate beer consumption has also been linked to potential benefits for bone health, cardiovascular health, and even anticancer effects, although these effects can vary based on individual factors and consumption patterns. However, excessive alcohol consumption, including beer, can lead to negative health effects such as increased risk of cardiovascular disease, hypertension, and other conditions.
See More Information Regarding Beer

Cetirizine Hydrochloride Overview

  • Cetirizine ophthalmic is used to relieve the itching of allergic pink eye. Cetirizine is in a class of medications called antihistamines. It works by blocking the action of histamine, a substance in the body that causes allergic symptoms.

See More Information Regarding Cetirizine Ophthalmic

Beer - More Interactions

Beer interacts with 895 drugs

Interaction Rating Key

These severity listings are for informational use only. Never start, stop or otherwise change your therapy before speaking with your provider.

Major The combined use of these agents is strongly discouraged as serious side effects or other negative outcomes could occur.
Moderate Use cautiously under the care of a healthcare professional or avoid this combination. A significant interaction or negative outcome could occur.
Minor Be aware that there is a chance of an interaction. Watch for warning signs of a potential interaction.
Unknown No interactions have been reported or no interaction data is currently available.

Return to the main supplement interaction checker page

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

Drug descriptions are provided by MedlinePlus.

Ask A Pharmacist About Your Herbal Questions!

Dr. Brian Staiger, PharmD

In addition to being a clinical pharmacist specializing in pharmacotherapy, Dr. Brian Staiger is a registered herbalist through the American Herbalist Guild. He has combined his passion for pharmacy practice with the study of medical ethnobotany to improve patient care. Feel free to reach out about any of your herbal or medication questions!

Ask A Pharmacist