Doctor insights on:
Does Claritin Cause Drowsiness
Yes: Claritin is a second generation antihistamine which causes much less drowsiness than first generation antihistamine, like benadryl (diphenhydramine). The number of people who feel drowsy on Claritin is so low that it is labeled "non-drowsy". But each of us is unique. I have plenty of patients who feel drowsy on claritin, especially petite women. ...Read moreSee 1 more doctor answer
Antihistamine: Antihistamines can still cause drowsiness even if it says, non-drowsy, especially loratadine. Paradoxical effects of hyperactivity can be a side effect of antihistamines, though it tends to happen mostly in the very young or old. If you took a decongestant with it, then that can also cause hyperactivity. ...Read more
Individual variance: Any medication can produce non-typical effects on some of the population that is not seen in others. Claritin (loratadine) does not seem to cross into the brain in most people, allowing for a lack of sedation for most. However, all of us have some differences in how our body reacts to some medications ant this can be one of them. For you, the medication likely reaches your brain and causes stimulation. ...Read more
My 6mo old was prescribed loratadine/ambroxol. She seems very drowsy, why? And how long will it stay I her system?
Mgt: If your baby is more drowsy/lethargic, not feeding well, please see your ED. This may not be related to the medications, but rather to an illness. The ambroxol should be discontinued until further evaluation is completed. For excessive mucus production, nasal saline drops and gentle suction is the only treatment advised in this age group, unless there is a tracheostomy or some other problem. ...Read more
I don't get drowsy at all taking loratadine. Should I be still concerned about possible interactions with alcohol?
Used a drug: Interaction checker - no significant interactions were noted. ...Read more
Claritin (loratadine): Hello, I have treated many people with allergy with antihistamines. Even though they are listed as non sedating, some people react to these medications in an unexpected fashion. Sedation may still occur and if this is present, I usually recommend using this medication if needed at night before sleep. It will still work for 24 hours and may help with allergy and sleep. ...Read more
You can: Loratadine & Cetirizine are both in a class of medications known as non-drowsy long acting anti-histamines. Although they are in the same class, I still have patients that experience drowsiness (usually more from cetirizine); however, I would try it because everyone responds differently to the same medications. Take it before bed so if drowsy you can go to sleep anyway. ...Read moreSee 1 more doctor answer
Since childhood I am very sensitive to desloratadine (makes me drowsy in an hour) while I am immune to loratadine. Will I ever outgrow this?
Unknown: Actually the desloratadine is associated with less somnolence than the loratadine on a general basis. Certainly side-effects that we experienced as children may not be present as adults but there is not was to say with certainty that you will "out grown" it. If loratadine helps your symptoms and gives you fewer side-effects stick with that! Good Luck! ...Read more
My pollen allergies are killing me. I'm taking Claritin (loratadine) but its not working well what else can I take that is non drowsy?
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 isn't much relief
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. ...Read moreSee 1 more doctor answer
Yes, no problem.: There is no interaction.Get a more detailed answer ›
I just purchased 24 hour Claritin D Non-Drowsy for allergies. Should I take this in the AM or PM? Can I consume alcohol while taking Claritin D?
Can take Claritin (loratadine) non drowsy for sneezy watery eyes- iam already taking azithromax antibiotic and advil. Can I take all 3?
Yes: There is no bad interaction between these 3 drugs. ...Read more
My throat feels dry, have 37.5 temperature and sleepiness, after having loratadine 10 mg. And phenylephrine 5mg. Together. Is that normal?
Can be related but: The 37.5 temp may be normal unless you have an underlying illness as the reason to take the meds. Temperature normall ranges are like a Bell Shaped Curve and you are in the normal curve. Loratidine is an antihistamine and this could dry you and make you sleepy. The phenylephrine may actually have a different effect. In essence this all appears normal and physiological. ...Read more
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