"Research funded in part by the NIH's National Institute of Arthritis and Musculoskeletal and Skin Diseases has identified an enzyme that modulates inflammation and joint damage in rheumatoid arthritis. The results, which appeared in the journal, "...
(tramadol HCI) Extended-Release Tablets
ULTRAM® ER (tramadol hcl extended-release) (tramadol hydrochloride) is a centrally acting synthetic analgesic in an extended-release formulation. The chemical name is (±) cis-2-[(dimethylamino)methyl]-1-(3-methoxyphenyl) cyclohexanol hydrochloride. Its structural formula is:
The molecular weight of tramadol HCl is 299.8. It is a white, bitter, crystalline and odorless powder that is readily soluble in water and ethanol and has a pKa of 9.41. The n-octanol/water log partition coefficient (logP) is 1.35 at pH 7.
ULTRAM ER (tramadol hcl extended-release) tablets contain 100, 200 or 300 mg of tramadol HCl in an extended-release formulation. The tablets are white to off-white in color and contain the inactive ingredients ethylcellulose, dibutyl sebacate, polyvinyl pyrrolidone, sodium stearyl fumarate, colloidal silicon dioxide, and polyvinyl alcohol.
What are the possible side effects of tramadol (ConZip, Rybix ODT, Ryzolt, Ultram, Ultram ER)?
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 tramadol and call your doctor at once if you have any of these serious side effects:
- agitation, hallucinations, fever, fast heart rate, overactive reflexes, nausea, vomiting, diarrhea, loss of coordination, fainting;
- seizure (convulsions);
- a red, blistering, peeling skin rash; or
- shallow breathing, weak pulse.
Less serious side...
What are the precautions when taking tramadol hcl extended-release (Ultram ER)?
Before taking tramadol, 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: brain disorders (such as head injury, tumor, seizures), breathing problems (such as asthma, sleep apnea, chronic obstructive pulmonary disease-COPD), kidney disease, liver disease, mental/mood disorders (such as confusion, depression, suicidal thoughts), personal or family history of regular use/abuse of drugs/alcohol, stomach/intestinal problems (such as blockage, constipation, diarrhea due to infection, paralytic ileus),...
Last reviewed on RxList: 5/18/2010
This monograph has been modified to include the generic and brand name in many instances.
Additional Ultram ER Information
Ultram ER - User Reviews
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