The Parasympathetic Nervous System utilizes which neurotransmitter?

The nurse will tell the patient that second-generation antihistamines are generally considered safer than first-generation antihistamines during pregnancy. While the safety of medications during pregnancy is a complex topic and individualized recommendations should be obtained from a healthcare provider, second-generation antihistamines such as loratadine (Claritin) and cetirizine (Zyrtec) are often preferred over first-generation antihistamines like diphenhydramine (Benadryl) due to their lower potential for sedation and other side effects. However, it is still important for the patient to consult with her healthcare provider for personalized advice on medication use during pregnancy.

Dimenhydrinate is an antihistamine commonly used to treat motion sickness and vertigo. One of the common side effects of dimenhydrinate is dizziness. It can cause sedation and impair cognitive and motor functions. Therefore, the client should be advised to be cautious when engaging in activities that require alertness, such as driving or operating machinery. Monitoring for dizziness and taking appropriate precautions can help prevent accidents and ensure the client's safety.

The other options provided in the original response are incorrect:

1. Administer 24 hr before effects are desired: This is not a correct instruction for dimenhydrinate. The medication is typically taken 30 minutes to 1 hour before the desired effects, such as before travel to prevent motion sickness.
2. Expect an increase in salivation: Dimenhydrinate does not typically cause an increase in salivation. This is not a known side effect of the medication.
3. Observe for diarrhea: Diarrhea is not a common side effect of dimenhydrinate. While gastrointestinal disturbances can occur with some antihistamines, it is not typically associated with dimenhydrinate use.