The most typical is transient sleepiness (10 to 63%). In a single controlled study of 175 patients, transient sleepiness was noticed in 63% of individuals receiving baclofen when compared with 36% of individuals within the placebo group. Other common side effects are dizziness (5 to fifteenPercent), weakness (5 to fifteenPercent) and fatigue (two to fourPercent).
Neuropsychiatric: Confusion (1 to 11%), headache (4 to eightPercent), insomnia (two to sevenPercent) and barely, excitement, excitement, depression, hallucinations, paresthesia, muscle discomfort, tinnitus, slurred speech, coordination disorder, tremor, rigidity, dystonia, ataxia, blurred vision, nystagmus, strabismus, miosis, mydriasis, diplopia, dysarthria, epileptic seizure.
Cardiovascular: Hypotension ( to 9%). Rare cases of dyspnea, palpitations, chest discomfort, syncope.
Gastrointestinal: Nausea (4 to 12%), constipation (2 to sixPercent) and barely, xerostomia, anorexia, taste disorder, abdominal discomfort, vomiting, diarrhea, and positive test for occult bloodstream in stool.
Genitourinary: Urinary frequency (2 to sixPercent) and barely, enuresis, urinary retention, dysuria, impotence, lack of ability to ejaculate, nocturia, hematuria.
Other: Cases of rash, pruritus, ankle edema, excessive perspiration, putting on weight, nasal congestion.
A few of the CNS and genitourinary signs and symptoms might be associated with the actual disease instead of to drug therapy. The next laboratory tests have been discovered to become abnormal inside a couple of patients receiving baclofen: elevated SGOT, elevated alkaline phosphatase, and elevation of bloodstream sugar.