Pfizer, Inc. engages in the discovery, development, manufacture, and marketing of prescription medicines for humans and animals worldwide. Its Pharmaceutical segment offers Lipitor for elevated cholesterol levels in the blood; Norvasc for hypertension; Caduet for cardiovascular events; Chantix/Champix for smoking cessation; Lyrica for neuropathic pain; Geodon/Zeldox, a psychotropic agent; Aricept for Alzheimer’s disease; and Zoloft for various disorders. It also offers Celebrex for arthritis pain, and inflammation and acute pain; Vfend for esophageal candidiasis and blood stream infections; Zyvox for bacterial infections; and Selzentry/Celsentri for adults infected with only CCR5-tropic HIV-1 detectable. In addition, this segment provides Viagra for erectile dysfunction; Detrol for overactive bladder; Camptosar for metastatic colorectal cancer; Sutent, an oral multi-kinase inhibitor; Xalatan/Xalacom for open-angle glaucoma and ocular hypertension; Genotropin for growth disorders; and Zyrtec/Zyrtec for allergies and hives. The company’s Animal Health segment offers parasiticides, anti-inflammatories, antibiotics, vaccines, antiemetics, and anti-obesity agents. It also provides Revolution/Stronghold for dogs and cats; Rimadyl for pain and inflammation associated with canine osteoarthritis and soft tissue orthopedic surgery; Clavamox/Synulox for skin and soft tissue infections; RespiSureOne/StellamuneOne to prevent pneumonia in swine; Bovi-Shield Gold for reproductive and respiratory protection; Dectomax, an injectable and pour-on formulations; Draxxin, an antibiotic for infections in cattle and swine; and Excede to treat infections. Pfizer, Inc. also involves in contract manufacturing and bulk pharmaceutical chemicals businesses. It serves doctors, nurse practitioners, physician assistants, pharmacists, hospitals, pharmacy benefit managers, managed care organizations, and government agencies. The company was founded in 1849 and is headquartered in New York, New York.