"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.
(betaine anhydrous) Powder for Oral Solution
Cystadane (betaine anhydrous for oral solution) is an agent for the treatment of homocystinuria. It contains no ingredients other than anhydrous betaine. Cystadane (betaine anhydrous) is a white, granular, hygroscopic powder, which is diluted in water and administered orally. The chemical name of betaine anhydrous powder is trimethylglycine. It has a molecular weight of 117.15. The structural formula is:
What are the possible side effects of betaine (Cystadane)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using betaine and call your doctor at once if you have a serious side effect such as:
- unusual headache, dizziness, neck pain or stiffness
- memory problems;
- changes in your mental state;
- vision changes;
- problems with speech, balance, or walking;
- decreased consciousness; or
- seizure (black-out or convulsions).
Less serious side effects may...
What are the precautions when taking betaine anhydrous (Cystadane)?
Before taking betaine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: high methionine levels (hypermethioninemia).
During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.
It is not known if this medication passes into breast milk. Consult your doctor before...
Last reviewed on RxList: 12/5/2016
This monograph has been modified to include the generic and brand name in many instances.
Additional Cystadane 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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