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Zonalon

Zonalon Side Effects

Kristianne Hannemann, PharmDAllison Gourley, PharmD
Reviewed by Kristianne Hannemann, PharmD, Allison Gourley, PharmD
Last reviewed on January 10, 2025

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

  • Burning or stinging (23%)
  • Drowsiness (22%)
  • Dry mouth (10%)

Less Common Side Effects

  • Itching
  • Tiredness
  • Worsening eczema
  • Dizziness
  • Mood changes
  • Bitter or metallic taste in mouth
  • Swelling
  • Headache
  • Fever
  • Nausea

Source: DailyMed

The following Zonalon 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 as soon as possible if any of the following side effects occur:

More common

Burning, crawling, or tingling sensation of the skin

swelling at the site of application

worsening of eczema and itching

Rare

Fever

Symptoms of overdose

Abdominal pain and swelling

blurring of vision

convulsions (seizures)

decreased awareness or responsiveness

difficulty in breathing

difficulty in passing urine

dizziness, fainting, or lightheadedness

drowsiness

enlarged pupils

excessive dryness of mouth

extremely high fever or body temperature

extremely low body temperature

fast heartbeat

increased or excessive unconscious or jerking movements

incurable constipation

irregular heartbeat

unconsciousness

vomiting

weak pulse

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

Burning and/or stinging at the site of application

changes in taste

dizziness

drowsiness

dryness and tightness of skin

dryness of mouth and/or lips

emotional changes

headache

thirst

unusual tiredness or weakness

Less common

Anxiety

irritation, tingling, scaling, and cracking of skin

nausea

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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