Karbinal ER Side Effects

Commonly reported side effects of Karbinal ER include sleepiness, dizziness, and coordination problems. These reactions are typically minor and don't require medical attention in most cases. If you develop severe mood changes, blurred vision, or signs of an infection, however, these could be serious side effects and should be reported to your healthcare provider right away.


An Introduction to Karbinal ER Side Effects

As with any medicine, Karbinal™ ER (carbinoxamine extended-release oral suspension) can cause side effects. However, not everyone who uses the medication will have problems. In fact, most people tolerate it quite well. If side effects do occur, in many cases, they are minor and either require no treatment or are treated easily by you or your healthcare provider.
(This article covers many, but not all, of the possible side effects with Karbinal ER. Your healthcare provider can discuss a more complete list with you.)

Common Side Effects of Karbinal ER

For many medications, the prescribing information carefully explains the exact percentage of side effects that were seen in clinical trials. However, the prescribing information for almost all older medications, including Karbinal ER, includes only vague information on potential side effects, with no percentages given. Therefore, it can be difficult to know exactly how common the side effects of such medications may be.
The most common side effects of Karbinal ER include:
  • Sedation (a calming effect)
  • Sleepiness
  • Dizziness
  • Problems with coordination
  • Indigestion or heartburn
  • Thickening of bronchial secretions (chest mucus).
Other possible side effects that have been reported with this drug include:
  • Excessive sweating
  • Chills
  • Dry mouth, nose, and throat
  • Sensitivity to the sun
  • Low blood pressure (hypotension)
  • Headache
  • A fast or abnormal heartbeat
  • Fatigue
  • Confusion
  • Feeling restless, excited, nervous, or irritable
  • Tremor
  • Insomnia
  • An abnormally elevated mood
  • Sensations of tingling, burning, pricking, or numbness of the skin
  • Blurred or double vision
  • A whirling or spinning sensation
  • Ringing in the ears
  • Loss of appetite
  • Nausea or vomiting
  • Diarrhea or constipation
  • Stuffy nose
  • Chest tightness and wheezing
  • Difficulty urinating or an inability to completely empty the bladder
  • Urinating more often
  • Having an early menstrual period in women.
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Karbinal ER Medication Information

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