Can you overdose on cetirizine


can you overdose on cetirizine

Side effects of anti-allergy drugs - PhD dissertation Silke Conen

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Antihistamines are medicines to treat allergic reactions to pollen, dust, pet dander, foods, and drugs. Antihistamines are found in many different forms for children and adults: liquids, tablets, creams, nasal sprays, and eye drops. Finding the best antihistamine for your symptoms can take a while. In the meantime, never take too much! Are you are one of the 50 million people in the U. Do you suffer with coughing, sneezing, itchy and watery eyes, a runny nose, and a scratchy throat?

Patient Presentation A 6-year-old male came to clinic with a history of seasonal allergic rhinitis. Loratadine usually controlled his symptoms well, but this spring seemed to be worse than usual. His mother was giving him the medicine in the morning but by the evening he was having increased sneezing, watery eyes and his mouth was itching. He was having problems sleeping also because of the increased rhinorrhea and was more tired during the day. The family history was positive for exercise-induced asthma and seasonal allergies on both sides of the family. The review of systems was negative.

Antihistamines, or allergy pills, are medications that reduce or block the effects of histamine, a chemical the body produces in response to an allergen. Whether you have seasonal allergies , indoor allergies , pet allergies , food allergies , or a chemical sensitivity , an allergic response can trigger multiple symptoms, such as:. Antihistamines include first-generation medications that have a sedating effect, and newer non-sedating types. Symptoms of an overdose when taking sedating medication can vary but may include:. Non-sedating antihistamine overdoses tend to be less toxic and less severe. Symptoms may include:. Sometimes, however, tachycardia can occur.

Cetirizine is an allergy medication that you can buy over-the-counter at a pharmacy.
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Back to Medicines A to Z. Cetirizine is known as a non-drowsy antihistamine. It's much less likely to make you feel sleepy than some other antihistamines. Cetirizine tablets and liquid that you buy from pharmacies and supermarkets can be taken by adults and children aged 6 and older. Cetirizine isn't suitable for some people. Tell your doctor or pharmacist if you :.

Cetirizine is used to temporarily relieve the symptoms of hay fever allergy to pollen, dust, or other substances in the air and allergy to other substances such as dust mites, animal dander, cockroaches, and molds. These symptoms include sneezing; runny nose; itchy, red, watery eyes; and itchy nose or throat. Cetirizine is also used to treat itching and redness caused by hives. However, cetirizine does not prevent hives or other allergic skin reactions. 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.

Laura Altobelli is a full-time senior editor for GSW Worldwide, an advertising agency serving the pharmaceutical industry. With a master's degree in scientific communication and more than 20 years of professional experience, Altobelli has worked with physicians, lawyers, veterinarians and architects to develop content for professional symposia and such publications as "Annals of Internal Medicine," "Journal of Trauma" and "Clinical Infectious Diseases. Fortunately, Zyrtec, also known as cetirizine, belongs to a newer class of antihistamines that produce far less dramatic signs of overdose. Small, accidental overdoses can usually be managed at home, but you should contact your doctor or local poison control center for guidance. If you or your loved one has ingested more than three times the normal therapeutic daily dose, don't hesitate to call paramedics. Extreme drowsiness is the most common sign of cetirizine overdose in adults.

[Accidental cetirizine poisoning in a four-year-old boy].

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How Much Cetirizine Can Be Used?

Zyrtec is the brand name of cetirizine, an over-the-counter OTC antihistamine used to treat cold and allergy symptoms such as sneezing, itching, watery eyes, or runny nose. Following the approval, Zyrtec was reportedly the highest-grossing new non-food product of in the United States. Zyrtec-D is a combination of the main ingredient of Zyrtec cetirizine with the decongestant pseudoephedrine and is approved to treat cold or allergy symptoms, including:. Adults and children 12 years and over should take 1 tablet of Zyrtec-D every 12 hours and not more than 2 tablets over a hour period. The effects of Zyrtec-D use on an unborn baby are not known. However, the active ingredients can pass into breast milk. If you are pregnant or plan to become pregnant during your treatment, talk to your doctor before taking Zyrtec-D.

Cetirizine , sold under the brand name Zyrtec among others, is a second generation antihistamine used to treat allergic rhinitis hay fever , dermatitis , and urticaria. Common side effects include sleepiness, dry mouth, headache, and abdominal pain. It was patented in and came into medical use in Cetirizine's primary indication is for hay fever and other allergies. Because the symptoms of itching and redness in these conditions are caused by histamine acting on the H 1 receptor, blocking those receptors temporarily relieves those symptoms. Cetirizine is also commonly prescribed to treat acute and in particular cases chronic urticaria , more efficiently than any other second-generation antihistamine [ citation needed ].


Overdose Signs of Zyrtec



White circular biconvex film-coated tablets, embossed 'C' on one side and a deep score Elderly subjects: data do not suggest that the dose needs to be reduced in . Symptoms observed after an overdose of cetirizine are mainly associated.
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