Before using Vicodin

Before using Vicodin :

Some medical conditions may interact with Vicodin . Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
if you are pregnant, planning to become pregnant, or are breast-feeding
if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
if you have allergies to medicines, foods, or other substances
if you are allergic to codeine or a hydrocodone-related medicine (eg, codeine, dihydrocodeine, oxycodone)
if you have or have ever had alcoholism, substance abuse, narcotic dependence, or if you consume more than 3 alcoholic drinks per day
if you have considered or attempted suicide
if you have acute head injury, increased pressure in the head, brain injury or tumor, epilepsy, or seizures (convulsions)
if you are having an asthma attack
if you have an acute stomach or intestinal problem, chronic inflammation and ulceration of the bowel, or recent abdominal surgery; adrenal gland problems; enlargement of the prostate gland; heart failure or lung disease, including shortness of breath; liver or kidney problems; thyroid disease; urinary blockage; or viral hepatitis

Some MEDICINES MAY INTERACT with Vicodin . Tell your health care provider if you are taking any other medicines, especially any of the following:
Barbiturate anesthetics (eg, thiopental), cimetidine, monoamine oxidase (MAO) inhibitors (eg, phenelzine), tricyclic antidepressants (eg, amitriptyline), or sodium oxybate (GHB) because serious side effects, such as increased sleepiness and decreased ability to breathe, may occur
Naltrexone because it may decrease Vicodin 's effectiveness and withdrawal symptoms may occur in patients who have become physically dependent on opioids

This may not be a complete list of all interactions that may occur. Ask your health care provider if Vicodin may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.