Archives: Drug Cards

Opzelura Mechanism of Action Opzelura (tirbanibulin) is a selective inhibitor of Src‑family tyrosine kinases and the epidermal growth factor receptor (EGFR). Binds to the ATP‑binding pocket of Src, preventing phosphorylation…

Opium Opium (Papaver somniferum L.) is a natural narcotic mixture obtained from the seed pods of the opium poppy. It contains ~15 % morphine, ~5 % codeine, ~1.5 % thebaine, 0.3 % papaverine and…

Opill Opill is a readily available over‑the‑counter formulation of the non‑steroidal anti‑inflammatory drug (NSAID) ibuprofen. It is commonly prescribed for mild to moderate acute pain, osteoarthritis, postoperative pain, and fever…

Opdivo Opdivo (generic name: nivolumab) is a fully human monoclonal antibody that targets the programmed death‑1 (PD‑1) receptor. It is a cornerstone of modern cancer immunotherapy, used alone or in…

Onureg Onureg (generic name paclitaxel lipid complex) is a chemotherapeutic agent used primarily for the treatment of advanced solid tumors. It belongs to the taxane class and improves solubility and…

Ongentys Ongentys (omidenepag isodifumarate) is a topical ophthalmic prostaglandin analog indicated for the reduction of intraocular pressure (IOP) in open‑angle glaucoma (OAG) and ocular hypertension (OHT). --- Mechanism of Action…

Onfi Onfi (imatinib mesylate) is a widely used tyrosine‑kinase inhibitor (TKI) approved for chronic myeloid leukemia (CML) and gastrointestinal stromal tumors (GIST). It selectively blocks oncogenic signaling pathways, leading to…

Ondansetron Mechanism of Action Ondansetron is a potent, selective antagonist of the 5‑hydroxytryptamine type 3 (5‑HT₃) receptor. Binds to presynaptic 5‑HT₃ receptors on vagal afferents in the gastrointestinal tract, preventing serotonin‑mediated…

Omnitrope Omnitrope® is a recombinant human growth hormone (rhGH) manufactured by Pfizer. It is indicated for the treatment of growth hormone deficiency, Turner syndrome, chronic kidney disease‑associated short stature, idiopathic…