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Hay fever is a misnomer. Hay is not a usual cause of this problem, and it does not cause fever. Early descriptions of sneezing, nasal congestion, and eye irritation while harvesting field hay promoted this popular term. Allergic rhinitis is the correct term used to describe this allergic reaction, and many different substances cause the allergic symptoms noted in hay fever. Rhinitis means "irritation of the nose" and is a derivative of rhino, meaning nose. Allergic rhinitis which occurs during a specific season is called "seasonal allergic rhinitis." When it occurs throughout the year, it is called "perennial allergic rhinitis." Rhinosinusitis is the medical term that refers to inflammation of the nasal lining as well as the lining tissues of the sinuses. This term is sometime used because the two conditions frequently occur together.
Symptoms of allergic rhinitis, or hay fever...
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Medical Editor: John P. Cunha, DO, FACOEP
Claritin D (loratadine and pseudoephedrine) is a combination antihistamine and decongestant used to treat allergies, nasal congestion, and sinus pressure. It is available over-the-counter and in generic versions. Side effects can include dizziness, drowsiness, palpitations, dry mouth, headache, fatigue, nausea, nervousness, sleeplessness, and sore throat. Other more severe side effects may occur.
Claritin D is available in 12-hour and 24-hour dosing. Do not use if you are taking an MAOI or have taken an MAOI in the past 2 weeks. Claritin D should not be used by patients with severe high blood pressure (hypertension), glaucoma or severe coronary artery disease without physician supervision. If pregnant or breastfeeding, consult a doctor before use. Stop use if an allergic reaction occurs or symptoms do not resolve within 7 days.
Our Claritin D Drug Center provides a comprehensive view of available drug information as well as related drugs, user reviews, supplements, and diseases and conditions articles.
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
Loratadine; pseudoephedrine sulfate extended release tablets are indicated for the relief of symptoms of seasonal allergic rhinitis. Loratadine; pseudoephedrine sulfate extended release tablets should be administered when both the antihistaminic properties of loratadine and the nasal decongestant activity of pseudoephedrine are desired (see CLINICAL PHARMACOLOGY).
Read the complete drug monograph for Claritin D »
Drug Description - Indications & Dosage - Side Effects & Drug Interactions - Warnings & Precautions - Contraindications - Medication Guide and More
What is Patient information?
Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using this medication and call your doctor at once if you have any of these serious side effects:
Read the complete patient information for Claritin D »
Possible Side Effects - Images - What Is - How Should I Take It - What If I Miss a Dose - What Should I Avoid and More
What is Consumer information?
A concise overview of the drug for the patient or caregiver from First DataBank.
This medication is not recommended for use in children under 12 years of age due to the high amount of pseudoephedrine.
HOW TO USE: Take this medication by mouth as directed by your doctor, usually twice daily (every 12 hours) with a full glass of water.
Do not crush or chew this medicatio...
Read the complete consumer information for Claritin D »
Warnings - Uses - How to Use - Side Effects - Precautions - Drug Interactions and More
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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