Melatonin is a small molecule drug that acts on melatonin receptors, functioning as an agonist.

Naproxen is a small molecule drug that inhibits COX enzymes, with active indications including pain, gout, inflammation, ankylosing spondylitis, and juvenile arthritis.

Famotidine is a medicine that helps people with stomach problems like gastritis and peptic ulcers.

Amoxicillin Trihydrate is a cell wall inhibitor drug used as an antibiotic to treat bacterial infections like bronchitis, pneumonia, urinary tract infections, and strep throat.

Ibuprofen, a COX-inhibiting drug approved by Johnson & Johnson in 1978, is primarily used to manage rheumatoid arthritis, arthritis, fever, and pain.

Metoprolol Tartrate is a medication that blocks β-adrenoceptors, and it was approved in 1978 by AstraZeneca PLC.

Atorvastatin is a medication that inhibits the HMG-CoA reductase enzyme. Hanmi Pharmaceutical Co., Ltd approved it in January 2008.

Trazodone, a selective inhibitor of serotonin reuptake transporter 5, has been a key treatment for depression since its approval in Dec 1981 by Angelini Pharma.

Acetaminophen, a small molecule COX enzyme inhibitor drug approved in January 1966, is widely used for pain relief and fever reduction.

Metronidazole, a small molecule drug approved in 1960 by Pfizer Inc., inhibits DNA synthesis and is highly effective against anaerobic bacteria and protozoa.

Pantoprazole is a small molecule medicine classed as a proton pump inhibitor, which means it reduces the amount of acid generated in the stomach.

Ivermectin, a small molecule drug, operates as a modulator of the glutamate-gated chloride channel, an action that forms the basis of its pharmacological activity.