Barbiturates, Aspirin, and Codeine (Systemic)
Side Effects of This MedicineAlong with its needed effects, a medicine may cause some unwanted effects.
Although not all of these side effects may occur, if they do occur they may
need medical attention.
The following side effects
may mean that a serious allergic reaction is occurring. Check with your doctor
or get emergency help immediately
if they occur, especially if several
of them occur at the same time.
Less common or rare
Bluish discoloration or flushing or redness of skin (occurring
together with other effects listed in this section); coughing, shortness of breath, troubled breathing, tightness in chest, or
wheezing; difficulty in swallowing; dizziness or feeling faint (severe); hive-like swellings (large) on eyelids, face, lips, or tongue; skin rash, itching, or hives; stuffy
nose (occurring together with other effects listed in this section)
Also check with your doctor immediately
if any of the following side
effects occur, especially if several of them occur together:
Rare
Bleeding or crusting sores on lips; chest pain; fever with or without chills; red, thickened, or scaly skin; sores,
ulcers, or white spots in mouth (painful); sore throat
(unexplained); tenderness, burning, or peeling of
skin
Symptoms of overdose
Anxiety, confusion, excitement, irritability, nervousness, restlessness,
or trouble in sleeping (severe, especially with products containing caffeine); cold, clammy skin; convulsions
(seizures); diarrhea (severe or continuing); dizziness, lightheadedness, drowsiness, or weakness (severe); frequent urination (for products containing caffeine); hallucinations (seeing, hearing, or feeling things
that are not there); increased sensitivity to touch
or pain (for products containing caffeine); increased
thirst; low blood pressure; muscle trembling or twitching (for products containing caffeine); nausea or vomiting (severe or continuing), sometimes with blood; pinpoint pupils of eyes; ringing or buzzing in ears (continuing) or hearing loss; seeing flashes of "zig-zag'" lights (for products containing caffeine); slow, fast, or irregular heartbeat; slow, fast, irregular, or troubled breathing; slurred
speech; staggering; stomach
pain (severe); uncontrollable flapping movements
of the hands (especially in elderly patients); unusual
movements of the eyes; vision problems
Also, check
with your doctor as soon as possible if any of the following side effects
occur:
Less common or rare
Bloody or black, tarry stools; bloody
urine; confusion or mental depression; pinpoint red spots on skin; skin rash,
hives, or itching (without other signs of an allergic reaction to aspirin
listed above); sore throat and fever; stomach pain (severe); swollen or painful
glands; trembling or uncontrolled muscle movements; unusual bleeding or bruising; unusual excitement (mild); unusual tiredness or weakness
(mild)
Other side effects may occur that usually do
not need medical attention. These side effects may go away during treatment
as your body adjusts to the medicine. However, check with your doctor if any
of the following side effects continue or are bothersome:
More common
Bloated or "gassy'" feeling; dizziness,
lightheadedness, or drowsiness (mild); heartburn
or indigestion; nausea, vomiting, or stomach pain
(occurring without other symptoms of overdose)
Other side effects not listed above may also occur in
some patients. If you notice any other effects, check with your doctor.
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