CETIRIZINE

Non-Sedative, Second Generation Antihistamine

Cross and Allergic Reactions

Usage

Amoxicillin should not be taken if one has- Mononucleosis, Colitis, Diabetes, Renal Dysfunction, Pku (Phenylketonuria), Hemodialysis--Dose needs to be decreased when in pregnancy

Type

Cetirizine is a non sedative, second generation antihistamine (effective against allergic reactions, insect bites and seasonal asthma).

It is an H1 receptor blocker

History

Cetirizine was FDA approved in 1995, it's initial purpose was to treat allergic reactions

Usage

Cetirizine is the most common antihistamine used and is currently used in 90 countries. Cetirizine reduces the natural chemical histamine in the body. It is used to treat cold or allergy symptoms such as sneezing, itching, watery eyes, or runny nose.

Shelf Life

Cross and Allergic Reactions

Cetirizine cross reacts with other antihistamines and has no allergic reactions.

Reacts with Alcohol (Alcohol will increase dizziness, drowsiness, and difficulty concentrating. Some people may also experience impairment in thinking and judgment.) and CNS depressants

Side Effects

Cetirizine may cause drowsiness, fatigue, dizziness, dry mouth, sore throat, cough, nausea, constipation, or headache. In children, stomach pain and vomiting may occur.

Should not be taken if

Should not take if one has- CNS depression, respiratory depression and/or allergy to any ingredient in cetirizine or to hydroxyzine Nursing mothers should not take cetirizine as it is excreted into human milk.

Shelf Life:- 2-3 years from manufacturing date.

90% drugs(approved by the FDA) are perfectly good even 15 years after the expiry date, the only exception to this may be tetracycline. If the drugs are kept in a cool environment, like a fridge then they can be used even longer. The expiry date only marks that now there isn’t 100% effectiveness.