Pediatex HC Side Effects

Generic Name: chlorpheniramine / hydrocodone / pseudoephedrine

Note: This page contains side effects data for the generic drug chlorpheniramine / hydrocodone / pseudoephedrine. It is possible that some of the dosage forms included below may not apply to the brand name Pediatex HC.

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

Applies to chlorpheniramine / hydrocodone / pseudoephedrine: oral capsule, oral liquid, oral solution, oral suspension, oral syrup, oral tablet

As well as its needed effects, chlorpheniramine / hydrocodone / pseudoephedrine may cause unwanted side effects that require medical attention.

If any of the following side effects occur while taking chlorpheniramine / hydrocodone / pseudoephedrine, check with your doctor immediately:

More common
  • Fainting
  • lightheadedness
  • shakiness in the legs, arms, hands, or feet
  • trembling or shaking of the hands or feet
Incidence not known
  • Abdominal or stomach cramps or pain
  • bloating
  • blurred vision
  • bulging soft spot on the head of an infant
  • change in the ability to see colors, especially blue or yellow
  • confusion
  • constipation
  • convulsions
  • decrease in the frequency of urination
  • decrease in the urine volume
  • diarrhea
  • difficult or troubled breathing
  • difficulty in passing urine (dribbling)
  • dizziness
  • dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  • drowsiness
  • fainting
  • fast, slow, or irregular heartbeat
  • headache
  • irregular, fast or slow, or shallow breathing
  • loss of appetite
  • nervousness
  • painful urination
  • pale or blue lips, fingernails, or skin
  • pounding in the ears
  • shortness of breath
  • sore throat
  • spasm of the throat
  • sweating
  • tightness of the chest
  • unusual tiredness or weakness
  • vomiting

Some chlorpheniramine / hydrocodone / pseudoephedrine 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:

More common
  • Disturbed color perception
  • double vision
  • dry mouth
  • false or unusual sense of well-being
  • fear or nervousness
  • halos around lights
  • hyperventilation
  • nausea
  • night blindness
  • overbright appearance of lights
  • relaxed and calm
  • restlessness
  • sleepiness or unusual drowsiness
  • sleeplessness
  • trouble sleeping
  • tunnel vision
  • unable to sleep
  • unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
Incidence not known
  • Acid or sour stomach
  • belching
  • bigger, dilated, or enlarged pupils (black part of the eye)
  • bloating
  • change in color vision
  • chills
  • cold sweats
  • coma
  • continuing ringing or buzzing or other unexplained noise in the ears
  • cool, pale skin
  • darkened urine
  • depression
  • difficulty seeing at night
  • feeling of constant movement of self or surroundings
  • fever
  • flushing or redness of the skin
  • full feeling
  • hearing loss
  • heartburn
  • hives or welts
  • increased appetite
  • increased hunger
  • increased in sexual ability, desire, drive, or performance
  • increased interest in sexual intercourse
  • increased sensitivity of the eyes to sunlight
  • increased sweating
  • indigestion
  • itching skin
  • loss of appetite
  • nightmares
  • pains in the stomach, side, or abdomen, possibly radiating to the back
  • pressure in the stomach
  • seizures
  • sensation of spinning
  • skin rash
  • slurred speech
  • stomach discomfort or upset
  • sugar in the urine
  • swelling of the abdominal or stomach area
  • swelling of the breasts or breast soreness in both females and males
  • unusually warm skin
  • watering of the eyes
  • yellow eyes or skin

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.

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