Loratadine treats allergy symptoms such as sneezing, runny nose and hives, states Drugs.com. Patients who are 6 years of age and up should take 10 milligrams once daily, and patients from 2 to 5 years should take 5 milligrams once daily, explains RxList. Side effects include headache, nervousness, tiredness and dry mouth.
Loratadine is an antihistamine, notes Drugs.com. It reduces the effects of histamine, which causes allergy symptoms. Histamine is a natural chemical in the body. Serious side effects of loratadine include severe headache, uneven or fast heart rate and lightheadedness. Patients who experience serious side effects should stop the medication and notify their doctors. Patients who experience signs of an allergic reaction to the medication should seek immediate medical attention. These signs include difficulty breathing and facial swelling.
Side effects in children from 2 to 5 years of age include diarrhea, flu-like symptoms, earache, epistaxis and pharyngitis, according to Drugs.com. Side effects in children from 6 to 12 years of age include nervousness, abdominal pain, upper respiratory tract infection, wheezing and fatigue. Patients taking a fixed combination of loratadine with pseudoephedrine may experience nervousness, dizziness, somnolence, insomnia or dry mouth. Patients should take loratadine as prescribed or as directed on the label. Children younger than 2 years of age should not take loratadine.