Final answer:
OTC drugs like loratadine can interact with other medications and should be included in a patient's drug history. They do not always require healthcare supervision and can vary in effectiveness and potential for toxicity.
Step-by-step explanation:
The correct information about over-the-counter (OTC) drugs like loratadine (Claritin) includes the following: B. They can interact with other drugs, and C. They should be included in the drug history assessment. OTC drugs do not always require the supervision of a healthcare professional, as some are previously approved prescription drugs found safe enough for unsupervised use. However, it is a misconception that OTC drugs are inherently less effective or that they do not cause toxicity; their effectiveness and safety depend on the condition being treated and on following proper dosing guidelines, respectively.
OTC antihistamines like loratadine are commonly used for short-term relief from allergy symptoms, but chronic allergies may necessitate longer-term treatment plans or stronger medications, thus requiring professional consultation.