Which of the following is NOT an appetite stimulant commonly used?

The correct answer indicates that all the listed medications—Dronabinol (Marinol), Mirtazapine (Remeron), and Cyproheptadine (Periactin)—are indeed commonly used appetite stimulants. Each of these drugs has gained recognition for their effectiveness in stimulating appetite in various populations, particularly in older adults or those suffering from certain conditions that lead to reduced appetite.

Dronabinol is a synthetic form of THC, the active component of cannabis, which has been shown to enhance appetite and is often prescribed for individuals experiencing severe weight loss or anorexia. Mirtazapine, an antidepressant, not only addresses symptoms of depression but also has a side effect of increasing appetite, making it beneficial in therapeutic settings for those who need to gain weight. Cyproheptadine, an antihistamine, is used for its appetite-stimulating properties, particularly in pediatric populations and in cases of cachexia.

Since all these medications serve the purpose of stimulating appetite, the selection stating that none of them is a commonly used appetite stimulant is not accurate. The recognition of their roles in clinical practice underscores their importance in managing appetite and nutrition in various patient populations, particularly among the elderly and those with chronic illnesses.