Generic Name: desloratadine (DES lor A ta deen)Brand Names: Clarinex, Clarinex Reditabs
Desloratadine is an antihistamine that reduces the natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose.
Desloratadine is used to treat the symptoms of allergies, such as sneezing, watery eyes, and runny nose. It is also used to treat skin hives and itching in people with chronic skin reactions.
Desloratadine may also be used for other purposes not listed in this medication guide.
Before taking desloratadine, tell your doctor if you are allergic to any drugs, or if you have liver or kidney disease.Do not give this medication to a child younger than 2 years old without the advice of a doctor.
Desloratadine disintegrating tablets (Clarinex RediTabs) may contain phenylalanine. Talk to your doctor before using this form of desloratadine if you have phenylketonuria (PKU).
If you have any of these other conditions, you may need a dose adjustment or special tests to safely use this medication:
Desloratadine disintegrating tablets (Clarinex RediTabs) may contain phenylalanine. Talk to your doctor before using this form of desloratadine if you have phenylketonuria (PKU).Do not give this medication to a child younger than 2 years old without the advice of a doctor.
Take this medication as directed on the label, or as your doctor has prescribed. Do not take the medication in larger amounts or for longer than recommended. Follow the directions on your prescription label.
Desloratadine is usually taken once per day. Follow your doctor's instructions.Do not crush, chew, or break the regular desloratadine tablet. Swallow the pill whole.
Measure the liquid form of desloratadine with a special dose-measuring spoon or cup, not a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one.
To take desloratadine orally disintegrating tablet (Clarinex RediTabs):
Keep the tablet in its blister pack until you are ready to take the medicine. Open the package and peel back the foil from the tablet blister. Do not push a tablet through the foil or you may damage the tablet.
Using dry hands, remove the tablet and place it on your tongue. It will begin to dissolve right away.
Do not swallow the tablet whole. Allow it to dissolve in your mouth without chewing.
Swallow several times as the tablet dissolves. If desired, you may drink water to help swallow the dissolved tablet.
Call your doctor if your symptoms do not improve.
Store desloratadine at room temperature away from moisture and heat.
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at your next regularly scheduled time. Do not take extra medicine to make up the missed dose.
Overdose symptoms may include fast heart rate.
Follow your doctor's instructions about any restrictions on food, beverages, or activity while you are using desloratadine.
fast, pounding, or uneven heartbeat;
fever, flu symptoms;
seizure (convulsions); or
jaundice (yellowing of the skin or eyes).
Less serious side effects may include:
dry mouth, sore throat, cough;
drowsiness, tired feeling;
nausea, diarrhea; or
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
There may be other drugs that can affect desloratadine. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.