Ultram ER Side Effects

Generic Name: tramadol

Please note - some side effects for Ultram ER may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA at http://www.fda.gov/medwatch/ or 1-800-FDA-1088 (1-800-332-1088).

Side Effects of Ultram ER - for the Consumer

Ultram ER Extended-Release Tablets

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Ultram ER Extended-Release Tablets:

Constipation; diarrhea; dizziness; drowsiness; dry mouth; headache; increased sweating; nausea; trouble sleeping; vomiting; weakness.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue; unusual hoarseness); agitation; chest pain; difficult or painful urination; disorientation; fainting; hallucinations; irregular heartbeat; loss of coordination; mood or mental changes (eg, depression); red, blistered, swollen, or peeling skin; seizures; severe dizziness or lightheadedness.

Side Effects by Body System

Gastrointestinal

Gastrointestinal side effects are common. Nausea and constipation occur within the first 90 days of therapy in 40% and 46% of treated patients, respectively. Vomiting, diarrhea, dyspepsia, anorexia, flatulence, abdominal pain, and dry mouth have also been reported.

Nervous system

Seizures have been reported in patients receiving the normal recommended dose. The risk for seizures is increased with doses above the recommended range.

Nervous system side effects occur frequently. Dizziness, headache, and somnolence have been reported in more than 25% of treated patients during the first three months of therapy. CNS stimulation, including nervousness, anxiety, tremor, agitation, euphoria, emotional lability and hallucinations, has also been reported. Confusion, sleep disorders, and coordination disturbances have been reported in less than 5% of patients. Seizures have been reported in over 200 cases. Cases of long-lasting delirium have been reported in two elderly patients. A case of serotonin syndrome triggered by tramadol has also been reported.

Dermatologic

Dermatologic side effects including pruritus (11%) have been reported. Rash and urticaria have occurred rarely.

Genitourinary

Genitourinary side effects including urinary retention and urinary frequency have been reported in less than 5% of treated patients.

Cardiovascular

Cardiovascular side effects including tachycardia and orthostatic hypotension have been reported rarely.

Hypersensitivity

The use of tramadol is contraindicated for patients with a history of allergy to any opioid.

Hypersensitivity side effects including anaphylactoid reactions have been reported after first doses of tramadol as well as in patients with a documented history of codeine allergy. Angioedema has been reported rarely.

Other

Other side effects including withdrawal symptoms and, rarely, auditory hallucinations have been reported. A case of vocal cord closure has also been reported.

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