Desloratadine - oral
Desloratadine - oral
Desloratadine is an antihistamine used to relieve allergy symptoms such as watery eyes, runny nose, itching eyes/nose, sneezing, hives, and itching. It works by blocking a certain natural substance (histamine) that your body makes during an allergic reaction.
Read the Patient Information Leaflet if available from your pharmacist before you start taking desloratadine and each time you get a refill. If you have any questions, ask your doctor or pharmacist.
Take this medication by mouth with or without food as directed by your doctor, usually once daily.
If you are using the rapidly-dissolving tablet, allow the tablet to dissolve on the tongue and then swallow, with or without water. Do not remove the tablet from the blister pack until right before using. If you are using the liquid form of this medication, carefully measure the dose using a special measuring device/spoon. Do not use a household spoon because you may not get the correct dose.
The dosage is based on your age, medical condition, and response to treatment. Do not increase your dose or take this medication more often than directed.
Tell your doctor if your condition does not improve or if it worsens.
Sore throat, nausea, tiredness, stomach upset, or muscle pain may occur. Fever, loss of appetite, diarrhea, or trouble sleeping may also occur, especially in children. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including:
In the US -
Before taking desloratadine, tell your doctor or pharmacist if you are allergic to it; or to loratadine; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of:
Desloratadine does not usually cause drowsiness when used at recommended doses. However, do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely.
Liquid products and the rapidly-dissolving tablets may contain sugar. The rapidly-dissolving tablets may also contain aspartame. Caution is advised if you have diabetes, phenylketonuria (PKU), or any other condition that requires you to limit/avoid these substances in your diet. Ask your doctor or pharmacist about using this product safely.
During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.
This drug passes into breast milk. Consult your doctor before breast-feeding.
Desloratadine is very similar to loratadine. Do not use medications containing loratadine while using desloratadine.
This medication may interfere with certain laboratory tests (including allergy skin testing), possibly causing false test results. Make sure laboratory personnel and all your doctors know you use this drug.
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: drowsiness.
Do not share this medication with others.
If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.
Store at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets.
Information last revised June 2018.
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