Which drugs and their dosages can be used to treat appetite loss?

1. Megestrol acetate (Megace) - 800 mg/day
2. Dronabinol (Marinol) - 2.5-10 mg/day
3. Mirtazapine (Remeron) - 15-45 mg/day
4. Olanzapine (Zyprexa) - 2.5-10 mg/day
5. Cyproheptadine - 4-12 mg/day

It is important to consult with a healthcare provider before starting any medication for appetite loss, as they can help determine the best treatment option based on individual needs and medical history.

Megestrol acetate

- Dosage: 800 mg/day orally in divided doses
- Mechanism of action: Increases appetite by stimulating the release of ghrelin, a hormone that stimulates hunger

Oxandrolone

- Dosage: 2.5-10 mg/day orally
- Mechanism of action: Anabolic steroid that increases muscle mass and appetite

Dronabinol

- Dosage: 2.5-10 mg orally 1-3 times daily
- Mechanism of action: Cannabinoid that stimulates appetite by activating CB1 receptors in the brain

Mirtazapine

- Dosage: 7.5-30 mg orally at bedtime
- Mechanism of action: Antidepressant that increases appetite as a side effect

Cyproheptadine

- Dosage: 4-16 mg/day orally
- Mechanism of action: Antihistamine that also has appetite-stimulating effects

Levothyroxine

- Dosage: Variable depending on individual needs
- Mechanism of action: Thyroid hormone that increases appetite as a side effect

It is important to note that the use of these drugs to treat appetite loss should only be done under the supervision of a healthcare professional.