A female asked:
have really bad nose congestion and i took one claritin (loratadine) d non drowsy. i am starting to feel really tired, is this normal? also, there isnt much relief
2 doctor answers

Dr. John Michel answered
46 years experience Family Medicine
Probably a cold.: Probably a cold and only time will make it go away. The claritin (loratadine) d is only for allergy and some runny nose. Time will make you feel better and you might ask the pharmacist or your doctor the recommendations of over the counter cold preparations that is safe for you to take.
Answered on Dec 22, 2014

Dr. John Chiu answered
57 years experience Allergy and Immunology
Yes but: Claritin can indeed cause drowsiness in a few people especially when the dose is doubled. On the other hand, th decongestant part (D) tends to keep people awake and thus your reaction is not common but not totally unexpected. We rarely use oral decongestant nowadays given that nasal steroid /nasal antihistamine are more effective with far less side effects.
Answered on Dec 22, 2014
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