aerius (Systemic)

Some commonly used brand names are:

In the U.S.-
Clarinex
Clarinex RediTabs
In Canada-

Aerius

Category
Antihistaminic (H1 -receptor)

Description
aerius (des-LOR-at-a-deen)is an antihistamine. It is used to relieve the symptoms of hay fever and hives of the skin.

Antihistamines work by preventing the effects of a substance called histamine, which is produced by the body. Histamine can cause itching, sneezing, runny nose, and watery eyes. Also, in some persons histamine can close up the bronchial tubes (air passages of the lungs) and make breathing difficult. Histamine can also cause some persons to have hives, with severe itching of the skin.

This medicine is available only with your doctors prescription, in the following dosage form:

Oral
Syrup (U.S.)
Tablets (U.S. and Canada)
Oral disintegrating tablets (U.S.)

Before Using This Medicine
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For aerius, the following should be considered:

Allergies-Tell your doctor if you have ever had any unusual or allergic reaction to aerius or loratadine. Also tell your doctor and pharmacist if you are allergic to any other substances, such as foods, preservatives, or dyes.

Pregnancy-aerius has not been studied in pregnant women. Before taking this medicine, make sure your doctor knows if you are pregnant or if you may become pregnant.

Studies in animals have shown that aerius causes a decrease in successful pregnancies and a decrease in the weight of the infant.

Breast-feeding-Small amounts of aerius pass into the breast milk. Mothers who are taking this medicine and who wish to breast-feed should discuss this with their doctor.

Children-This medicine has been tested in children 6 months of age and older. In effective doses, the medicine has not been shown to cause different side effects or problems than it does in adults.

Older adults-aerius has been tested in patients 65 years of age and older and has not been shown to cause different side effects or problems in older people than it does in younger adults. However, older patients are more likely to have kidney or liver problems which may make them more sensitive to the effects of aerius. Your doctor may give you a different aerius dose if you have kidney or liver problems.

Other medicines-Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking aerius, it is especially important that your doctor and pharmacist know if you are taking or using any other prescription or nonprescription (over-the-counter [OTC] medicine.

Other medical problems-The presence of other medical problems may affect the use of aerius. Make sure you tell your doctor if you have any other medical problems, especially:

Liver disease or
Kidney disease-Effects of aerius may be increased because of slower removal from the body.
Phenylketonuria (PKU)-The oral disintegrating tablets may contain aspartame, which can make your condition worse
Slow metabolizers of aerius-May increase chances of unwanted effects

Proper Use of This Medicine
Dosing-For patients using the oral disintegrating tablet form of this medicine:

Make sure your hands are dry.
Do not push the tablet through the foil backing of the package. Instead, gently peel back the foil backing and remove the tablet.
Immediately place the tablet on top of the tongue.
The tablet will dissolve in seconds, and you may swallow it with your saliva. You do not need to drink water or other liquid to swallow the tablet.
For patients using the syrup form of this medicine: Use a calibrated measuring dropper or syringe to measure the direct dose for your child based on your doctors instructions. Do not use a regular teaspoon. If you are unsure about how much of the syrup to give to your child, ask your doctor or pharmacist.

aerius may be taken with or without food or on a full or empty stomach. However, if your doctor tells you to take the medicine a certain way, take it exactly as directed. The dose of aerius may be different for different patients.Follow your doctors orders or the directions on the label . The following information includes only the average doses of aerius. If your dose is different, do not change it unless your doctor tells you to do so.

For oral dosage form (oral disintegrating tablets):
For symptoms of chronic hives:
Adults and children 12 years of age and older-5 mg once a day.
Children 6 to 11 years of age-2.5 mg once a day
Children younger than 6 years of age-Use and dose must be determined by your doctor.
For symptoms of hay fever:
Adults and children 12 years of age and older-5 mg once a day.
Children 6 to 11 years of age-2.5 mg once a day
Children younger than 6 years of age-Use and dose must be determined by your doctor.
For oral dosage form (tablets):
For symptoms of chronic hives:
Adults and children 12 years of age and older-5 milligrams (mg) once a day.
Children younger than 12 years of age-Use and dose must be determined by your doctor.
For symptoms of hay fever:
Adults and children 12 years of age and older-5 mg once a day.
Children younger than 12 years of age-Use and dose must be determined by your doctor.

For oral dosage form (syrup):
For symptoms of chronic hives:
Adults and children 12 years of age and older-2 teaspoonfuls (5 milligrams [mg] in 10 milliliters [mL]) once a day.
Children 6 to 11 years of age-1 teaspoonful (2.5 mg in 5 mL) once a day
Children 12 months to 5 years of age-1/2 teaspoonful (1.25 mg in 2.5 mL) once a day
Children 6 to 11 months of age-2 mL (1 mg) once a day
For symptoms of hay fever:
Adults and children 12 years of age and older-2 teaspoonfuls (5 milligrams [mg] in 10 milliliters [mL]) once a day.
Children 6 to 11 years of age-1 teaspoonful (2.5 mg in 5 mL) once a day
Children 12 months to 5 years of age-1/2 teaspoonful (1.25 mg in 2.5 mL) once a day
Children 6 to 11 months of age-2 mL (1 mg) once a day
Missed dose-If you miss a dose of this medicine, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.

Storage-To store this medicine:

Keep out of the reach of children.
Store away from heat and direct light in a tightly closed container.
Do not store in the bathroom, near the kitchen sink, or in other damp places. Heat or moisture may cause the medicine to break down.
Do not keep outdated medicine or medicine no longer needed. Ask your health care professional how you should dispose of any medicine you do not use. Be sure that any discarded medicine is out of the reach of children.

Precautions While Using This Medicine
If your symptoms do not improve within a few days or if they become worse, check with your doctor.

This medicine may cause some people to become drowsy, dizzy, or less alert than they are normally. Make sure you know how you react to this medicine before you drive, use machines, or do anything else that could be dangerous if you are dizzy or are not alert .

Side Effects of This Medicine
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

Rare

Anaphylaxis, such as, cough, difficulty swallowing, dizziness, fast heartbeat, hives, itching, puffiness or swelling of eyelids or around the eyes or face or lips or tongue, shortness of breath, skin rash, tightness in chest, unusual tiredness or weakness, wheezing dyspnea, such as, shortness of breath, difficult or labored breathing, tightness in chest, wheezing edema, such as, swelling pruritus, such as, itching skin rash tachycardia, such as, fast, pounding, or irregular heartbeat or pulse urticaria, such as, hives or welts, itching, redness of skin, skin rash.

Other side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

Headache

Less common

Dizziness dry mouth dysmenorrhea, such as, difficult or painful menstruation dyspepsia, such as, acid or sour stomach, belching, heartburn, indigestion, stomach discomfort , upset or pain, fatigue, such as, unusual tiredness or weakness myalgia, such as, joint pain, swollen joints, muscle aching or cramping, muscle pains or stiffness, difficulty in moving pharyngitis, such as, body aches or pain, congestion, cough, dryness or soreness of throat, fever, hoarseness, runny nose, tender swollen glands in neck, trouble in swallowing, voice changes. somnolence, such as, sleepiness or unusual drowsiness nausea