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Cetirizine is an antihistamine that reduces the natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose. It is used to treat cold or allergy symptoms such as sneezing, itching, watery eyes, or runny nose.
Cetirizine is also used to treat itching and swelling caused by hives.
Cetirizine may also be used for other purposes not listed in this medication guide.
Before taking cetirizine, tell your doctor about all of your medical conditions.
FDA pregnancy category B. This medication is not expected to be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment. Cetirizine can pass into breast milk and may harm a nursing baby. Do not use cetirizine without telling your doctor if you are breast-feeding a baby.Older adults may need to take a lower than normal dose. Follow your doctor's instructions.
Take cetirizine exactly as directed on the label, or as prescribed by your doctor. Do not use it in larger amounts or for longer than recommended.
You may take cetirizine with or without food.
The chewable tablet must be chewed before you swallow it.
Measure liquid medicine with a special dose-measuring spoon or cup, not a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one.
Call your doctor if your symptoms do not improve, if they get worse, or if you also have a fever. Store cetirizine at room temperature away from moisture and heat.Take the missed dose as soon as you remember. If it is almost time for your next dose, wait until then to take the medicine and skip the missed dose. Do not take extra medicine to make up the missed dose.
Overdose symptoms may include feeling restless or nervous, and then feeling drowsy.
fast, pounding, or uneven heartbeat;
weakness, tremors (uncontrolled shaking), or sleep problems (insomnia);
severe restless feeling, hyperactivity;
confusion;
problems with vision; or
urinating less than usual or not at all.
Less serious side effects may include:
dizziness, drowsiness;
tired feeling;
dry mouth;
sore throat, cough;
nausea, constipation; or
headache.
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.
There may be other drugs that can interact with cetirizine. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use cetirizine only for the indication prescribed.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Copyright 1996-2020 Cerner Multum, Inc. Version: 6.01.Medical Disclaimer
Other brands: Zyrtec
Medically reviewed by USARx EDITORIAL TEAM Last updated on 1/1/2020.
Source: Drugs.com Cetirizine Hydrochloride (www.drugs.com/cetirizine.html).
More frequently reported side effects include: abdominal pain, drowsiness, and fatigue. See below for a comprehensive list of adverse effects.
Applies to cetirizine: oral solution, oral tablets and chewable tablets
Side effects include:
Adults and children ≥12 years of age: Somnolence, fatigue, dry mouth. Insomnia reported with cetirizine hydrochloride-pseudoephedrine hydrochloride fixed combination.
Children 2–11 years of age: Headache, pharyngitis, abdominal pain.
Children 6 months to 2 years of age: Irritability, fussiness, insomnia, fatigue, malaise.
Applies to cetirizine: oral capsule, oral liquid, oral syrup, oral tablet, oral tablet chewable, oral tablet dispersible
The most commonly reported side effects include somnolence, dizziness, and headache.
Very common (10% or more): Somnolence (up to 14.3%), headache (up to 14%)
Common (1% to 10%): Dizziness
Frequency not reported: Altered sense of taste, paresthesia, hypertonia, tremor, abnormal coordination/incoordination, ataxia, hyperesthesia, hyperkinesia, hypoesthesia, migraine, paralysis, twitching, parosmia, taste loss/perversion
Postmarketing reports: Convulsions, dysgeusia, dyskinesia, dystonia, syncope, amnesia, vertigo, memory impairment
Common (1% to 10%): Dry mouth, nausea, diarrhea, vomiting, abdominal pain
Uncommon (0.1% to 1%): Dyspepsia
Frequency not reported: Tongue disorder, constipation, flatulence, increased salivation, aggravated tooth caries, eructation, gastritis, hemorrhoids, melena, rectal hemorrhage, stomatitis/ulcerative stomatitis, tongue discoloration/edema, enlarged abdomen
Common (1% to 10%): Pharyngitis, rhinitis, coughing, epistaxis
Frequency not reported: Dyspnea, respiratory disorder, bronchospasm, upper respiratory tract infection, dysphonia, bronchitis, hyperventilation, increased sputum, pneumonia, sinusitis, nasal polyp
Common (1% to 10%): Fatigue
Frequency not reported: Earache, tinnitus, fever, pain, rigor, thirst, deafness, ototoxicity, accidental injury, face edema, leg edema, malaise
Postmarketing reports: Asthenia, stillbirth
Common (1% to 10%): Insomnia
Frequency not reported: Nervousness, impaired concentration, confusion, decreased libido, abnormal thinking, anxiety, depersonalization, emotional lability, euphoria, paroniria, sleep disorder
Postmarketing reports: Agitation, aggression/aggressive reaction, depression, hallucination, tic, suicidal ideation/suicide
Very rare (less than 0.01%): Myelitis
Frequency not reported: Back pain, myalgia, arthralgia, bone disorder/fracture, leg cramps, arthritis, arthrosis, muscle weakness
Frequency not reported: Pruritus/intense itching, increased sweating, acne, alopecia, bullous eruption, dermatitis, dry skin, eczema, erythematous rash, furunculosis, hyperkeratosis, hypertrichosis, maculopapular rash, photosensitivity/photosensitivity toxic reaction, purpura, seborrhea, skin disorder/nodule
Postmarketing reports: Rash, urticaria, angioneurotic edema, fixed drug eruption, acute generalized exanthematous pustulosis (AGEP)
Frequency not reported: Eye abnormality, periorbital edema, abnormal vision, eye pain, conjunctivitis, ptosis, visual field defects, blindness, glaucoma, ocular hemorrhage, xerophthalmia, periorbital edema/eye swelling
Postmarketing reports: Accommodation disorder/loss of accommodation, blurred vision, oculogyration, orofacial dyskinesia
Frequency not reported: Polyuria, urinary retention, urinary tract infection, dysmenorrhea, hematuria, micturition frequency, urinary incontinence, female breast pain, intermenstrual bleeding, leukorrhea, menorrhagia, vaginitis
Postmarketing reports: Dysuria, enuresis
Frequency not reported: Flushing, palpitations, tachycardia, edema/general edema, chest pain, cardiac failure, hypertension, hot flashes, peripheral edema, pallor
Postmarketing reports: Severe hypotension
Frequency not reported: Increased appetite, anorexia, increased weight, dehydration, diabetes mellitus
Frequency not reported: Reversible transaminase elevations
Postmarketing reports: Abnormal hepatic function (increased transaminases, alkaline phosphatase, GGT, bilirubin), cholestasis, hepatitis
Frequency not reported: Allergic reactions/delayed allergic reactions
Postmarketing reports: Hypersensitivity, anaphylactic shock
Frequency not reported: Lymphadenopathy
Postmarketing reports: Thrombocytopenia, hemolytic anemia
Frequency not reported: Cystitis
Postmarketing reports: Glomerulonephritis
Medically reviewed by USARx EDITORIAL TEAM Last updated on 1/1/2020.
Source: Drugs.com Cetirizine Hydrochloride (www.drugs.com/cetirizine.html).
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