Side effects of Cetirizine hydrochloride

Cetirizine is an antihistamine. It blocks the activity of histamines or inflammatory chemicals that cause inflammation reactions in the body due to exposure to allergens. The medication is sold on its own or in combination with pseudoephedrine to relieve sinus pain and pressure.

Summary of side effects :

Cetirizine hydrochloride(CAS NO:83881-52-1) may occur Drowsiness, tiredness, and dry mouth. Stomach pain may also occur, especially in children. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

If your doctor has prescribed Cetirizine hydrochloride(CAS NO:83881-52-1), remember that he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

A very serious allergic reaction to Cetirizine hydrochloride is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

Details of side effects :

1.Autonomic Nervous System: anorexia, flushing, increased salivation, urinary retention. 
2.Central and Peripheral Nervous Systems: abnormal coordination, ataxia, confusion, dysphonia, hyperesthesia, hyperkinesia, hypertonia, hypoesthesia, leg cramps, migraine, myelitis, paralysis, paresthesia, ptosis, syncope, tremor, twitching, vertigo, visual field defect. 
3.Cardiovascular: cardiac failure, hypertension, palpitation, tachycardia. 
4.Gastrointestinal: abnormal hepatic function, aggravated tooth caries, constipation, dyspepsia, eructation, flatulence, gastritis, hemorrhoids, increased appetite, melena, rectal hemorrhage, stomatitis including ulcerative stomatitis, tongue discoloration, tongue edema. 
5.Hearing and Vestibular: deafness, earache, ototoxicity, tinnitus. 
6.Metabolic/Nutritional: dehydration, diabetes mellitus, thirst. 
7.Genitourinary: cystitis, dysuria, hematuria, micturition frequency, polyuria, urinary incontinence, urinary tract infection. 
8.Psychiatric: abnormal thinking, agitation, amnesia, anxiety, decreased libido, depersonalization, depression, emotional lability, euphoria, impaired concentration, insomnia, nervousness, paroniria, sleep disorder. 
9.Respiratory System: bronchitis, dyspnea, hyperventilation, increased sputum, pneumonia, respiratory disorder, rhinitis, sinusitis, upper respiratory tract infection. 
10.Musculoskeletal: arthralgia, arthritis, arthrosis, muscle weakness, myalgia. 
11.Reproductive: dysmenorrhea, female breast pain, intermenstrual bleeding, leukorrhea, menorrhagia, vaginitis. 
12.Reticuloendothelial: lymphadenopathy. 
13.Special Senses: parosmia, taste loss, taste perversion. 
14.Vision: blindness, conjunctivitis, eye pain, glaucoma, loss of accommodation, ocular hemorrhage,  xerophthalmia. 
15.Skin: acne, alopecia, angioedema, bullous eruption, dermatitis, dry skin, eczema, erythematous rash, furunculosis, hyperkeratosis, hypertrichosis, increased sweating, maculopapular rash, photosensitivity reaction, photosensitivity toxic reaction, pruritus, purpura, rash, seborrhea, skin disorder, skin nodule, urticaria. 
16.Body as a Whole: accidental injury, asthenia, back pain, chest pain, enlarged abdomen, face edema, fever, generalized edema, hot flashes, increased weight, leg edema, malaise, nasal polyp, pain, pallor, periorbital edema, peripheral edema, rigors. 

Occasional instances of transient, reversible hepatic transaminase elevations have occurred during  Cetirizine hydrochloride therapy. Hepatitis with significant transaminase elevation and elevated bilirubin in association with the use of Cetirizine hydrochloride has been reported. 

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