The element calcium is an essential nutrient. Supplements are used to increase calcium intake, particularly to promote bone density. Calcium is supplied in several forms, including calcium carbonate.

Candesartan is an angiotension II receptor blocker used in the treatment of hypertension. One of the brands it is marketed under is Atacand.

Capecitabine is an orally administered chemotherapeutic tumor-shrinking agent for patients with metastatic breast cancer or metastatic colorectal cancer.

Capreomycin is an antibiotic used in the treatment of Tuberculosis.

Broad-spectrum antibacterial (antibiotic), sold as Fortaz in the US and Fortum in the UK.

Only informational sites about celebrex.

Drug removed from US market.

Cetirizine is an oral antihistamine used in the treatment of allergies and rhinitis.

Chlorpromazine, also known as thorazine, is an antipsychotic drug.

A selective serotonin reuptake inhibitor (SSRI) commonly used to treat depression and related disorders.

Information on clomiphene, which is sold under the brand names Clomid, Serophene, and Milophene. It is a prescription drug typically used to treat infertility by inducing ovulation in women. Clomiphene may also be prescribed to treat infertility in men, if a pituitary imbalance hinders production of testosterone.

Brand name Klonopin. A benzodiazepine drug, used as an anticonvulsant and for treatment of anxiety and related conditions.

Antipsychotic drug used to treat schizophrenia patients who do not respond to other drugs. Brand name Clozaril.

Belongs to a class of drugs known as alkylating agents; it slows or stops the growth of cancer cells in the body. To be more effective it is sometimes used in combination with other chemotherapy medications. Used to treat lymphomas, multiple myeloma, leukemias, mycosis fungoides, neuroblastoma, ovarian carcinoma, retinoblastoma, breast cancer, Ewing's sarcoma, bronchogenic carcinoma, small cell lung carcinoma, and other types of cancer. Also known as Cytoxan.

Cyproterone acetate is an antiandrogen drug used in the treatment of symptoms associated with an excess of androgens, including hirsutism, ovulation problems, and male pattern baldness in women. It is also used in the treatment of prostate cancer. It may increase the risk of thromboembolic events so the use of oral contraceptives which use this drug in combination with estrogen can bring an increased risk of blood clots.