Although cetirizine is a non-sedating antihistamine, occasionally some people may find it makes them feel slightly sleepy. Make sure you know how this medicine affects you before doing potentially hazardous activities such as driving or operating machines. If you do find this medicine makes you sleepy you should avoid drinking alcohol or using other medicines that cause drowsiness with it, as this could make any sleepiness or reduced alertness worse. In a six-week, placebo-controlled study of 186 patients with allergic rhinitis and concomitant mild to moderate asthma, cetirizine 10 mg once daily improved rhinitis symptoms and did not alter pulmonary function. This study supports the safety of administering cetirizine to allergic patients with mild to moderate asthma. Frequencies are defined as follows: Very common (≥1/10); common (≥1/100 to <1/10); uncommon (≥1/1,000 to <1/100); rare (≥1/10,000 to <1/1,000); very rare (<1/10,000), not known (cannot be estimated from the available data) Pruritus and/or urticaria may occur when cetirizine is stopped, even if those symptoms were not present before treatment initiation. In some cases, the symptoms may be intense and may require treatment to be restarted. The symptoms should resolve when the treatment is restarted. Undesirable effects are described according to MedDRA System Organ Class and by estimated frequency based on the post-marketing experience.

Treating a chronic itchy nettle-type rash where the cause isn't known (chronic idiopathic urticaria). Banophen, Nytol, Complete Allergy Relief, Triaminic Thin Strips Cough & Runny Nose Professional resourcesMeasure liquid medicine with the dosing syringe provided, or with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one. In most people Benadryl Allergy Liquid Release Capsules do not cause drowsiness. However, there are rare exceptions and you should take care when you use this product for the first time. If Benadryl Allergy Liquid Release makes you feel drowsy, do not drive or operate machinery. Benadryl is used to treat sneezing, runny nose, watery eyes, hives, skin rash, itching, and other cold or allergy symptoms.

Treatments Find every kind of best treatment near you, We British Chemist UK online pharmacy retailer and registered pharmacy with the MHRA and GPhC. Women who are breastfeeding. Small amounts of cetirizine pass into breast milk, so if you're breastfeeding you should only take this medicine on the advice of your doctor. When taking Benadryl, use caution driving, operating machinery, or performing other hazardous activities. Diphenhydramine may cause dizziness or drowsiness. If you experience dizziness or drowsiness, avoid these activities. Caution should be taken in patients with predisposition factors of urinary retention (e.g. spinal cord lesion, prostatic hyperplasia) as cetirizine may increase the risk of urinary retention.Children, infants and toddlers: The half-life of cetirizine was about 6 hours in children of 6-12 years and 5 hours in children 2-6 years. In infants and toddlers aged 6 to 24 months, it is reduced to 3.1 hours Benadryl is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose. Renally impaired patients: The pharmacokinetics of the drug were similar in patients with mild impairment (creatinine clearance higher than 40 ml/min) and healthy volunteers. Patients with moderate renal impairment had a 3-fold increase in half-life and 70 % decrease in clearance compared to healthy volunteers.