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Neo-Synephrine Nasal Side Effects

Generic Name: phenylephrine nasal

Note: This page contains side effects data for the generic drug phenylephrine nasal. It is possible that some of the dosage forms included below may not apply to the brand name Neo-Synephrine Nasal.

Applies to phenylephrine nasal: nasal gel/jelly, nasal solution, nasal spray

As well as its needed effects, phenylephrine nasal (the active ingredient contained in Neo-Synephrine Nasal) may cause unwanted side effects that require medical attention.

Severity: Moderate

If any of the following side effects occur while taking phenylephrine nasal, check with your doctor or nurse as soon as possible:

Symptoms of too much medicine being absorbed into the body

Note: The above side effects are more likely to occur in children because there is a greater chance that too much of this medicine may be absorbed into the body.

  • Fast, irregular, or pounding heartbeat
  • headache or dizziness
  • increased sweating
  • nervousness
  • paleness
  • trembling
  • trouble in sleeping
  • Increase in runny or stuffy nose

Minor Side Effects

Some phenylephrine nasal side effects may not need any medical attention. As your body gets used to the medicine these side effects may disappear. Your health care professional may be able to help you prevent or reduce these side effects, but do check with them if any of the following side effects continue, or if you are concerned about them:

  • Burning, dryness, or stinging of inside of nose

It is possible that some side effects of Neo-Synephrine Nasal may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.

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