Naltrexone 50mg (Naltrexone) works in the brain to prevent opiate effects (e.g., feelings of well-being, pain relief). It also decreases the desire to take opiates. Abdominal or stomach pain Headache Nausea or Vomiting Unsual tiredness Joint or muscle pain Skin rash Constipation Sore throat Dizziness Increased thirst Loss of appetite Frequent urination rare Depression rare Shortness of breath rare Weight gain rare Swelling of the face, feet or lower legs rare Chest pain rare Alcohol dependence This medicine is used for the maintenance of abstinence from alcohol in patients with alcohol dependence. It is especially effective when combined with counseling as well as social and psychological support. Opioid dependance This medicine is used to treat opioid dependence or addiction resulting from prolonged use or abuse.Tablet: Take this medicine with or without food. Do not take larger or smaller amounts than prescribed. Seek emergency medical treatment in case of any severe side effects. Ensure that the course of treatment is completed. Do not stop the use of this medicine without consulting your doctor. Injection: This medicine is usually administered in the clinical/hospital setting under the supervision of a qualified healthcare professional. Follow all the instructions given by your doctor. Inform the doctor if you have a known allergy to this medicine. Report all your current medicines as well as your medical conditions to the doctor before receiving this medicine. Naltrexone 50mg (Naltrexone) Price in Pakistan 0309-9605878