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 or tiredness
- Dizziness
- Nausea
- Vomiting
- Constipation
- Diarrhea
- Headache
- Sweating
- Itchiness
Less Common Side Effects
- Changes in blood pressure
- Lightheadedness or feeling faint when standing from a sitting or lying down position
- Fast heartbeat
- Fainting
- Hallucinations
- Disturbing dreams
- Trouble sleeping (insomnia)
- Depression
- Confusion
- Seizures
- Flushing
- Loss of appetite
- Dry mouth
- Vision changes
- Trouble urinating
Talwin NX serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Serious allergic reactions: trouble breathing, swelling of your face, tongue, or throat
- Severe drowsiness or slowed breathing
- Overdose: slowed breathing, severe drowsiness or sleepiness, not feeling as aware, not responding to sound or touch, slow heartbeat, small pupils the size of a pinhead, blue-gray skin tone
- Withdrawal: uncontrolled pain, suicidal thoughts, sweating, restlessness, nausea, vomiting, diarrhea, muscle pain, watery eyes, wide pupils
- Serotonin syndrome: high fever, hallucinations, racing heart, unstable blood pressure, sudden changes in thought, mood, and movement, feeling uneasy or nervous, stiff muscles
- Chest pain
- Trouble walking
Source: DailyMed
The following Talwin NX 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:
Rare
Black, tarry stools
chills
difficult or troubled breathing
general feeling of tiredness or weakness
hoarseness
irregular, fast or slow, or shallow breathing
lower back or side pain
painful or difficult urination
pale or blue lips, fingernails, or skin
shakiness in the legs, arms, hands, or feet
sores, ulcers, or white spots on the lips or in the mouth
swollen glands
trembling or shaking of the hands or feet
unusual bleeding or bruising
unusual tiredness or weakness
Incidence not known
Agitation
blistering, peeling, or loosening of the skin
blurred vision
burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
confusion
constricted, pinpoint, or small pupils (black part of the eye)
darkening of the skin
decrease in the frequency of urination
difficulty in passing urine (dribbling)
difficulty with swallowing
dizziness
dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
excitement
fainting
false or unusual sense of well-being
fast, slow, pounding, or irregular heartbeat or pulse
feeling of warmth
headache
hives or welts, itching, skin rash
joint or muscle pain
loss of bladder control
loss of consciousness
nervousness
overactive reflexes
poor coordination
pounding in the ears
puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
rapid breathing
red skin lesions, often with a purple center
red, irritated eyes
redness of the face, neck, arms, and occasionally, upper chest
restlessness
sweating
swelling of the face, arms, or lower legs
tightness in the chest
total body jerking
upper abdominal or stomach pain
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose
choking
cold and clammy skin
constricted, pinpoint, or small pupils (black part of the eye)
coughing that sometimes produces a pink frothy sputum
decreased awareness or responsiveness
difficult, fast, or noisy breathing
extremely shallow or slow breathing
increased sweating
loss of consciousness
no muscle tone or movement
pale skin
seeing, hearing, or feeling things that are not there
severe sleepiness or unusual drowsiness
seizures (convulsions)
slow heartbeat
swelling in the legs and ankles
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:
Rare
Stomach distress
Incidence not known
Continuing ringing or buzzing or other unexplained noise in the ears
cracked, dry, or scaly skin
difficulty in focusing the eyes
disturbed dreams
drowsiness
hearing loss
irritability
lightheadedness
loss of appetite
mood or mental changes
relaxed and calm feeling
trouble with sleeping
vomiting
weakness
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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