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
Benzocaine serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Severe blood problem (methemoglobinemia): seizures, loss of consciousness, fast heart beat, trouble breathing, feeling dizzy or faint, feeling tired, skin color turning blue or pale
- Serious allergic reactions: swelling of the face, difficulty breathing, trouble speaking, throat tightening up, red and itchy rash, lightheadedness, clammy skin
Source: DailyMed
The following Benzocaine 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
Bluish color of the fingernails, lips, skin, palms, or nail beds
Incidence not known
Blistering, burning, crusting, dryness, or flaking of the skin
cracking, itching, redness, or stinging of the skin
dark urine
difficulty with breathing
difficulty with walking
dizziness or lightheadedness
fainting
headache
inability to feel hands and feet
irritability
irritation of the nose
itching, scaling, severe redness, soreness, or swelling of the skin
pale skin
rapid heart rate
red, sore eyes
shortness of breath
unusual bleeding or bruising
unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
unusual tiredness or 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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