Barbiturates, Aspirin, and Codeine (Systemic)
Precautions While Using This Medicine
Check with your doctor
If the medicine stops working as well as it did when you first started
using it. This may mean that you are in danger of becoming dependent on the
medicine. Do not try to get better pain relief by increasing
If you are having headaches more often than you
did before you started using this medicine
. This is especially important
if a new headache occurs within 1 day after you took your last dose of headache
medicine, headaches begin to occur every day, or a headache continues for
several days in a row. This may mean that you are dependent on the headache
medicine. Continuing to take this medicine will cause
even more headaches later on
. Your doctor can give you advice on how
to relieve the headaches.
Check the labels of all nonprescription (over-the-counter
[OTC]) and prescription medicines you now take. If any contain a narcotic,
a barbiturate, aspirin, or other salicylates, including diflunisal, check
with your doctor or pharmacist
. Taking them together with this medicine
may cause an overdose.
The barbiturate and the codeine in this medicine will add to the effects
of alcohol and other CNS depressants (medicines that slow down the nervous
system, possibly causing drowsiness). Some examples of CNS depressants are
antihistamines or medicine for hay fever, other allergies, or colds; sedatives,
tranquilizers, or sleeping medicine; other prescription pain medicine or narcotics;
other barbiturates; medicine for seizures; muscle relaxants; or anesthetics,
including some dental anesthetics. Also, stomach problems may be more likely
to occur if you drink alcoholic beverages while you are taking aspirin. Therefore,
do not drink alcoholic beverages, and check with your
doctor before taking any of the medicines listed above, while you are using
This medicine may cause some people to become drowsy, dizzy, or lightheaded,
or to feel a false sense of well-being. Make sure you
know how you react to this medicine before you drive, use machines, or do
anything else that could be dangerous if you are dizzy or are not alert and
Dizziness, lightheadedness, or fainting may occur, especially when you
get up suddenly from a lying or sitting position. Getting up slowly may help
lessen this problem. Lying down for a while may relieve these effects.
Nausea or vomiting may occur, especially after the first couple of doses.
This effect may go away if you lie down for a while. However, if nausea or
vomiting continues, check with your doctor.
Before having any kind of surgery (including dental surgery) or emergency
treatment, tell the medical doctor or dentist in charge that you are taking
this medicine. Serious side effects can occur if your medical doctor or dentist
gives you certain medicines without knowing that you have taken a barbiturate
Do not take this medicine for 5 days before any planned surgery, including
dental surgery, unless otherwise directed by your medical doctor or dentist.
Taking aspirin during this time may cause bleeding problems.
Before you have any medical tests, tell the person in charge that you are
taking this medicine. The caffeine in the butalbital, aspirin, and codeine
combination interferes with the results of certain tests that use dipyridamole
(e.g., Persantine) to help show how well blood is flowing to your heart. Caffeine
should not be taken for 8 to 12 hours before the test. The results of some
other tests may also be affected by this medicine.
If you have been taking large amounts of this medicine, or if you have
been taking it regularly for several weeks or more, do not suddenly stop using it without first checking with your doctor
Your doctor may want you to reduce gradually the amount you are taking before
stopping completely, to lessen the chance of withdrawal side effects.
If you think you or anyone else may have taken an overdose
of this medicine, get emergency help at once
. Taking an overdose of
this medicine or taking alcohol or CNS depressants with this medicine may
lead to unconsciousness or death. Signs of overdose of this medicine include
convulsions (seizures); hearing loss; confusion; ringing or buzzing in the
ears; severe excitement, nervousness, or restlessness; severe dizziness; severe
drowsiness; unusually slow or troubled breathing; and severe weakness.