Precautions While on this Medicine
Naltrexone may cause dizziness or drowsiness. Do not drive, operate machinery, or
do anything else that could be dangerous until you know how you react to Naltrexone.
Using Naltrexone alone, with other medicines, or with alcohol may lessen your ability
to drive or to perform other potentially dangerous tasks.
Carry identification to alert health care providers that you are taking Naltrexone. You
can get a medication card from your doctor to use for this purpose.
Before you have any medical or dental treatments, emergency care, or surgery, tell
the doctor or dentist that you are using Naltrexone.
Contact your health care provider at once if any of the following signs or symptoms
of hepatitis occur while taking Naltrexone:
- stomach pain lasting more than a few days
- white bowel movements
- dark urine
- yellowing of the skin or eyes
Do not use narcotics while taking Naltrexone, including opioid-containing medicines
(eg, cough and cold products, pain relievers, heroin). Naltrexone may increase
your sensitivity to narcotics. Therefore, even very low doses may cause coma or
Before you have any medical or dental surgery or emergency treatments, tell the doctor
or dentist that you are taking Naltrexone.
Lab tests, including liver function, may be performed to monitor your progress or to
check for side effects. Be sure to keep all doctor and lab appointments.
Use Naltrexone with extreme caution in CHILDREN younger than 18 years of age. Safety
and effectiveness in this age group have not been confirmed.
PREGNANCY and BREAST-FEEDING: If you become pregnant, discuss with your doctor the
benefits and risks of using Naltrexone during pregnancy. It is unknown if Naltrexone
is excreted in breast milk. If you are or will be breast-feeding while you are
using Naltrexone, check with your doctor or pharmacist to discuss the risks to your baby.
If you are addicted to narcotics and are given Naltrexone, you may experience
WITHDRAWAL symptoms include:
- fever, runny nose or sneezing
- goose bumps and abnormal skin sensations
- rigid muscles
- rapid heartbeat
- seeing, hearing, or feeling things that are not there
- shivering or tremors
- trouble sleeping