Little Colds Decongestant Side Effects
Generic Name: phenylephrine
Note: This page contains information about the side effects of phenylephrine. Some of the dosage forms included on this document may not apply to the brand name Little Colds Decongestant.
Not all side effects for Little Colds Decongestant may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
For the Consumer
Applies to phenylephrine: intravenous solution
In addition to its needed effects, some unwanted effects may be caused by phenylephrine (the active ingredient contained in Little Colds Decongestant). In the event that any of these side effects do occur, they may require medical attention.
If any of the following side effects occur while taking phenylephrine, check with your doctor or nurse immediately:Incidence not known
- Blurred vision
- chest pain or discomfort
- difficult or labored breathing
- fast, slow, or irregular heartbeat
- nausea or vomiting
- pain in the shoulders, arms, jaw, or neck
- pounding in the ears
- tightness in the chest
- unusual tiredness
If any of the following symptoms of overdose occur while taking phenylephrine, get emergency help immediately:Symptoms of overdose
- Feeling of fullness in the head
- pounding or rapid pulse
- tingling in the arms or legs
Some of the side effects that can occur with phenylephrine may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:Incidence not known
- itching skin
- pain in the neck
- pain or discomfort in chest, upper stomach, or throat
For Healthcare Professionals
Applies to phenylephrine: compounding powder, injectable solution, intravenous solution, oral disintegrating strip, oral liquid, oral suspension extended release, oral tablet, oral tablet chewable, oral tablet chewable extended release, oral tablet disintegrating
Nervous system side effects have included headache, dizziness, nervousness, restlessness, tremor, insomnia, convulsions, and central nervous system depression.
Cardiovascular side effects have included palpitations, arrhythmias, and cardiovascular collapse with hypotension.
Psychiatric side effects have included hallucinations, fear, and anxiety.
Gastrointestinal side effects have included nausea.
Respiratory side effects have included respiratory difficulty.
Genitourinary side effects have included dysuria.
General side effects have included pallor and weakness.
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