List of drugs: O

List of drugs: O is a comprehensive catalog encompassing a wide range of pharmaceuticals, biologics, and substances used in the treatment, diagnosis, and prevention of diseases and medical conditions. This list includes both generic and brand names of drugs that start with the letter "O." Each entry is linked to detailed articles about the drug's medical uses, pharmacology, side effects, and regulatory status.

Overview[edit | edit source]

Drugs and medications are critical components in the treatment and management of diseases. They can range from over-the-counter (OTC) remedies to prescription medications and biologically derived therapies. The drugs listed under the letter "O" include a diverse group of compounds used in various branches of medicine, including oncology, cardiology, neurology, and infectious diseases, among others.

List of Drugs Starting with "O"[edit | edit source]

Omeprazole - A proton pump inhibitor used in the treatment of gastroesophageal reflux disease (GERD) and peptic ulcer disease.
Ondansetron - An antiemetic commonly used to prevent nausea and vomiting caused by cancer chemotherapy, radiation therapy, and surgery.
Oxycodone - An opioid analgesic prescribed for moderate to severe pain management.
Ofloxacin - A fluoroquinolone antibiotic used to treat a variety of bacterial infections.
Olmesartan - An angiotensin II receptor antagonist used in the management of hypertension.
Olanzapine - An atypical antipsychotic used for the treatment of schizophrenia and bipolar disorder.
Oseltamivir - An antiviral medication used in the prevention and treatment of influenza A and B.
Ocrelizumab - A monoclonal antibody used in the treatment of multiple sclerosis.
Opdivo (Nivolumab) - A PD-1 inhibitor used in cancer immunotherapy for various types of cancer, including melanoma and non-small cell lung cancer.
Ozempic (Semaglutide) - A GLP-1 receptor agonist used in the treatment of type 2 diabetes.

Pharmacology[edit | edit source]

The pharmacology of drugs starting with "O" encompasses a broad spectrum of mechanisms of action, pharmacokinetics, and pharmacodynamics. For instance, Omeprazole works by irreversibly inhibiting the H+/K+ ATPase in the stomach, reducing gastric acid secretion. On the other hand, Oxycodone exerts its analgesic effects by binding to the mu-opioid receptor, altering the perception of and response to pain.

Regulatory Status[edit | edit source]

The regulatory status of drugs can vary significantly across different jurisdictions. Medications like Oseltamivir are widely approved for use in many countries for the treatment of influenza. In contrast, the approval of newer drugs such as Ocrelizumab for multiple sclerosis may be subject to ongoing clinical trials and regulatory review processes.