Which class of drugs is known to potentially cause a rapid heartbeat and increased blood pressure?

Stimulants are a class of drugs that are known for their ability to increase activity in the central nervous system, which often results in heightened alertness, energy, and a sense of euphoria. One of the primary effects of stimulants on the body is their ability to stimulate the heart, leading to a rapid heartbeat (tachycardia) and increased blood pressure. This is due to stimulants enhancing the release of neurotransmitters such as norepinephrine and dopamine, which play significant roles in increasing heart rate and blood pressure.

In contrast, the other classes mentioned do not typically exert such cardiovascular effects. Depressants are designed to produce calming effects and usually result in decreased heart rate and blood pressure. Analgesics primarily focus on pain relief without significant stimulation of the cardiovascular system. Antipsychotics can have a variety of effects but are not commonly associated with rapid heartbeat or increased blood pressure as a primary action. Therefore, stimulants stand out clearly for their propensity to cause these physiological changes.