Read the side effects of Pentazocine as described in the medical literature. In case of any doubt consult your doctor or pharmacist.
Heart-
Circulatory depression, high blood pressure, shock, fast heart rate.
Central Nervous System-
Confusion, depression, disorientation, disturbed dreams, dizziness, excitement, faintness, hallucinations, headache, sleeplessness, irritability, light-headedness, muscle tremor, tingling, sedation, temporary loss of consciousness, tremor, weakness.
Skin-
Inflammation, including itching, excessive sweating, flushed skin.
Eye and ENT-
Double vision, constriction of the pupil, involuntary eye movement, perception of sound, visual blurring, and focusing difficultly.
Gastrointestinal-
Constipation, cramps, diarrhea, dry mouth, nausea, taste alteration, vomiting.
Blood-
High concentration of eosinophils decrease in the number of granulocytes.
Skin-
Subcutaneous depression, nodules, severe stiffness, soft tissue induration, sting on injection, and ulceration at injection sites.
Respiratory-
Difficulty in breath, respiratory depression, transient sleep disorder in newborns whose mothers received parenteral pentazocine during labor.
Miscellaneous-
Allergic reactions, alterations in rate or strength of uterine contractions during labor, chills, urinary retention, unusual weakness.
Other Precautions : *Change the injection sites, avoid abrupt withdrawal.
