Ribavirin belongs to a class of drugs known as antivirals and is used to treat a variety of viral hemorrhagic fevers such as Lassa fever and Hantavirus infections.

Omeprazole and pantoprazole belong to a class of drugs called proton pump inhibitors. They are approved for treating ulcers, gastroesophageal reflux and other conditions caused by excessive acid in the stomach.

Famotidine inhibits the action of histamine on stomach cells and reduces the production of stomach acid in ulcers, acid reflux, and heartburn.

Bupropion alters the electrical activity of neurons in the brain. It was originally approved for use as an antidepressant and marketed under the name Wellbutrin. It has since been approved as an aid for smoking cessation and marketed as Zyban.

Fluoxetine belongs to a class of antidepressant drugs known as selective serotonin reuptake inhibitors (SSRIs), and is used to treat mental depression, obsessive-compulsive disorder (OCD), bulimia nervosa, and premenstrual dysphoric disorder (PMDD).

Doxycycline is an antibiotic. According to a report from Children’s Hospital of Boston, treatment for all stages of Lyme disease requires antibiotics, and the choice of antibiotic should be one that is comprehensive and will cover all likely pathogens — that is, including possible infectious causes other than Lyme.

Acyclovir is an anti-viral drug typically used to treat chickenpox and different types of herpes.

Doxycycline, minocycline, and tetracycline are antibiotics used to treat a wide variety of bacterial infections including acne.

Ciprofloxacin and metronidazole are antibiotics that are effective against a broad range of bacteria.

Some types of hypercalciuria are vitamin D-dependent and, in those cases, drugs that suppress vitamin D can be useful in the diagnosis of the disease and in its treatment, according to experts at the Lorain Kidney Stone Research Center at the Medical College of Ohio.