Claritin, also called Loratadine, is an antihistamine, or an H1 Receptor. It is used to treat hay fever, and hives. Claritin works by blocking the effects of a substance called histamine, which is naturally produced by the body.
Be sure to tell your doctor of any allergies you have whether it is to medication or food, preservatives, or dyes. Also, tell your doctor of any other medications you are taking, including vitamins and supplements, and any medical conditions you may have.
If you miss a dose of this medicine, take it as soon as you remember, unless it is almost time for your next dose. Do NOT double doses.
Tell your doctor immediately if any of the following side effects occur: chest tightness ; feeling of warmth, redness of the face, neck, arms and occasionally, upper chest; large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, sex organs; shortness of breath, or difficult or labored breathing.
Let your doctor know if you have bothersome or continuing: back pain; body aches or pain; chills; coughing; difficulty in moving; dizziness; drowsiness; ear congestion; earache; fever; headache; joint pain; loss of voice; muscle aching or cramping; muscle pains or stiffness; nasal congestion; nausea; pain in arms or legs; pain or tenderness around eyes or cheekbones; painful menstrual bleeding; ringing or buzzing in ears; runny or stuffy nose; sneezing; sore throat; stomach upset; swollen joints; unusual feeling of tiredness or weakness; or a viral infection (such as cold and flu).
Loratadine is a white to off-white powder not soluble in water, but very soluble in acetone, alcohol, and chloroform. It has a molecular weight of 382.89, and empirical formula of C22H23ClN2O2; its chemical name is ethyl4-(8-chloro-5,6-dihydro-11H-benzo[5,6] cyclohepta[1,2-b]pyridin-11-ylidene)-1- piperidinecarboxylate.Claritin tablets contain 10 mg micronized loratadine, an antihistamine, to be administered orally. They also contain the following inactive ingredients: Corn starch, lactose, and magnesium stearate.
Claritin syrup contains 1 mg/ml micronized loratadine, an antihistamine, to be administered orally. It also contains the following inactive ingredients: Citric acid, artificial flavor, glycerin, propylene glycol, sodium benzoate, sugar, and water. The pH is between 2.5 and 3.1.
Claritin Reditabs (rapidly-disintegrating tablets) contain 10 mg micronized loratadine, an antihistamine, to be administered orally. It disintegrates in the mouth within seconds after placement on the tongue, allowing its contents to be subsequently swallowed with or without water. Claritin Reditabs also contain the following inactive ingredients: Citric acid, gelatin, mannitol, and mint flavor.
Claritin has the following structural formula: