Deltrexone

Naltrexone HCL 50 mg

Adverse Effects

More than 10%

Injection site reaction (69%; includes bruising, induration, nodules, pain, pruritus, swelling, tenderness)

Nausea (33%)

Headache (25%)

Decreased appetite (14%)

Insomnia (14%)

Vomiting (14%)

Diarrhea (13%)

Dizziness (13%)

Upper respiratory tract infection (URTI) (13%)

Anxiety (12%)

Arthralgia (12%)

Increased creatine phosphokinase (11%)

Pharyngitis (11%)

1-10%

Depression (8%)

Muscle cramps (8%)

Back pain (6%)

Rash (6%)

Dry mouth (5%)

Somnolence (4%)

Increased aspartate aminotransferase (AST) (2%)

Less than 1%

Alopecia

Dyspnea

Edema

Hepatocellular injury

Increased systolic and diastolic blood pressures

Liver function abnormalities

Labored breathing

Nonspecific electrocardiographic (ECG) changes

Opiate withdrawal (mild to severe signs and symptoms, including drug craving, confusion, drowsiness, visual hallucinations, abdominal pain, vomiting, diarrhea)

Palpitation

Phlebitis

Tachycardia