"The National Institutes of Health has launched DS-Connect, a Web-based health registry that will serve as a national health resource for people with Down syndrome and their families, researchers, and health care providers.
(ivacaftor) Film-coated Tablets
The active ingredient in KALYDECO tablets is ivacaftor, which has the following chemical name: N-(2,4-di-tert-butyl-5-hydroxyphenyl)-1,4-dihydro-4oxoquinoline-3-carboxamide. Its molecular formula is C24H28N2O3 and its molecular weight is 392.49. Ivacaftor has the following structural formula:
Ivacaftor is a white to off-white powder that is practically insoluble in water ( < 0.05 microgram/mL). KALYDECO is available as a light blue capsule-shaped, film-coated tablet for oral administration containing 150 mg of ivacaftor. Each tablet contains the inactive ingredients colloidal silicon dioxide, croscarmellose sodium, hypromellose acetate succinate, lactose monohydrate, magnesium stearate, microcrystalline cellulose, and sodium lauryl sulfate. The tablet film coat contains carnauba wax, FD&C Blue #2, PEG 3350, polyvinyl alcohol, talc, and titanium dioxide. The printing ink contains ammonium hydroxide, iron oxide black, propylene glycol, and shellac.
What are the possible side effects of ivacaftor (Kalydeco)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have a serious side effect such as:
- severe stomach pain;
- chest pain, wheezing, feeling short of breath;
- nausea, upper stomach pain, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes); or
- low blood sugar (headache, hunger, weakness, sweating, confusion, irritability, dizziness, fast heart rate, or feeling...
Last reviewed on RxList: 7/15/2014
This monograph has been modified to include the generic and brand name in many instances.
Additional Kalydeco Information
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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