Loratadine Side Effects
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
The most commonly reported side effects included headache, somnolence nervousness, and fatigue.[Ref]
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]
Common (1% to 10%): Nervousness
Uncommon (0.1% to 1%): Insomnia
Frequency not reported: Depression, paroniria[Ref]
Common (1% to 10%): Fatigue
Frequency not reported: Fever, viral infection, tinnitus, malaise[Ref]
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]
Uncommon (0.1% to 1%): Increased appetite[Ref]
Very rare (less than 0.01%): Angioedema, rash, alopecia
Frequency not reported: Pruritus, rash on face[Ref]
Frequency not reported: Increased frequency of urination, urine discoloration, menstruation delay[Ref]
Very rare (less than 0.01%): Tachycardia, palpitation
Frequency not reported: Hypertension, hypotension, chest pain[Ref]
Very rare (less than 0.01%): Hypersensitivity reactions, anaphylaxis[Ref]
Very rare (less than 0.01%): Abnormal hepatic function[Ref]
Frequency not reported: Epistaxis, nasal dryness, pharyngitis, coughing[Ref]
Frequency not reported: Myalgia[Ref]
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.
Not all side effects for loratadine may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
More about loratadine
- Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Drug Images
- Drug Interactions
- Support Group
- Pricing & Coupons
- En Español
- 48 Reviews – Add your own review/rating
- Drug class: antihistamines
- Loratadine capsules
- Loratadine chewable tablets
- Loratadine orally disintegrating tablets
- Loratadine syrup
Related treatment guides
Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.