Loratadine Side Effects
Medically reviewed by Drugs.com. Last updated on Oct 5, 2020.
For the Consumer
Applies to loratadine: oral fixed-combination tablets, oral orally disintegrating tablets, oral solution, oral tablets
Side effects include:
Children 2–5 years of age receiving oral solution: Diarrhea, epistaxis, pharyngitis, flu-like symptoms, fatigue, stomatitis, tooth disorder, earache, viral infection, rash.
Children 6–12 years of age receiving oral solution: Nervousness, wheezing, fatigue, hyperkinesia, abdominal pain, conjunctivitis, dysphonia, upper respiratory tract infection.
Adults and children ≥12 years of age receiving conventional or orally disintegrating tablets: Headache, somnolence, fatigue, dry mouth.
Fixed combination loratadine/pseudoephedrine sulfate preparations: Insomnia, dry mouth, headache, somnolence, nervousness, dizziness, fatigue.
For Healthcare Professionals
Applies to loratadine: oral capsule, oral syrup, oral tablet, oral tablet chewable, oral tablet disintegrating
General
The most commonly reported side effects included headache, somnolence nervousness, and fatigue.[Ref]
Nervous system
Very common (10% or more): Headache (up to 12%)
Common (1% to 10%): Sedation/somnolence
Very rare (less than 0.01%): Dizziness, convulsion
Frequency not reported: Syncope, paresthesia[Ref]
Psychiatric
Common (1% to 10%): Nervousness
Uncommon (0.1% to 1%): Insomnia
Frequency not reported: Depression, paroniria[Ref]
Other
Common (1% to 10%): Fatigue
Frequency not reported: Fever, viral infection, tinnitus, malaise[Ref]
Gastrointestinal
Common (1% to 10%): Dry mouth
Very rare (less than 0.01%): Nausea, gastritis
Frequency not reported: Dyspepsia, diarrhea, constipation, abdominal/gastric pain, altered taste, increased saliva[Ref]
Metabolic
Uncommon (0.1% to 1%): Increased appetite[Ref]
Dermatologic
Very rare (less than 0.01%): Angioedema, rash, alopecia
Frequency not reported: Pruritus, rash on face[Ref]
Genitourinary
Frequency not reported: Increased frequency of urination, urine discoloration, menstruation delay[Ref]
Cardiovascular
Very rare (less than 0.01%): Tachycardia, palpitation
Frequency not reported: Hypertension, hypotension, chest pain[Ref]
Hypersensitivity
Very rare (less than 0.01%): Hypersensitivity reactions, anaphylaxis[Ref]
Hepatic
Very rare (less than 0.01%): Abnormal hepatic function[Ref]
Respiratory
Frequency not reported: Epistaxis, nasal dryness, pharyngitis, coughing[Ref]
Musculoskeletal
Frequency not reported: Myalgia[Ref]
References
1. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
2. Cerner Multum, Inc. "Australian Product Information." O 0
3. "Product Information. Claritin (loratadine)." Schering Laboratories, Kenilworth, NJ.
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Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Some side effects may not be reported. You may report them to the FDA.