The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Common Side Effects
- Sleepiness
- Lightheadedness
- Dizziness
- Trouble breathing
- Nausea
- Vomiting
- Sweating
- Constipation
Less Common Side Effects
- Itching
- Stomach pain
Codeine serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Dangerously slow breathing: trouble breathing; bluish-colored lips, fingers, or toes
- Accidentally taking too much (overdose): not responding to sound or touch, slowed breathing, extreme sleepiness, slow heartbeat, cold or clammy skin
- Opioid withdrawal: anxiety, suicidal thoughts, irritability, restlessness, runny nose, yawning, sweating, chills, wide pupils
- Serious allergic reaction: itchy, red rash (hives); difficulty breathing; chest tightness; swelling of lips, tongue, throat, face, or eyes
Source: Dailymed
More on Codeine side effects
The following Codeine side effects have also been reported
Along 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.
Check with your doctor immediately if any of the following side effects occur:
Incidence not known
blurred vision
chills
cold, clammy skin
confusion
darkened urine
difficult or troubled breathing
dizziness
dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
fainting
fast, irregular, pounding, or racing heartbeat or pulse
fast, weak pulse
feeling of warmth
indigestion
irregular, fast or slow, or shallow breathing
lightheadedness
loss of appetite
no blood pressure or pulse
no breathing
pains in the stomach, side, or abdomen, possibly radiating to the back
pale or blue lips, fingernails, or skin
redness of the face, neck, arms, and occasionally, upper chest
stopping of the heart
sweating
unconsciousness
unusual tiredness or weakness
vomiting
yellow eyes or skin
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose
Bluish lips or skin
chest pain or discomfort
constricted, pinpoint, or small pupils (black part of the eye)
decreased awareness or responsiveness
extreme sleepiness or unusual drowsiness
slow or irregular heartbeat
Some 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. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
More common
Drowsiness
relaxed and calm feeling
Incidence not known
disturbed color perception
double vision
false or unusual sense of well-being
fear or nervousness
feeling of constant movement of self or surroundings
halos around lights
headache
hives or welts, itching, or skin rash
night blindness
overbright appearance of lights
redness of the skin
sensation of spinning
shakiness
stomach pain or cramps
trouble sleeping
tunnel vision
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
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