Desloratadine / pseudoephedrine Side Effects

Some side effects of desloratadine / pseudoephedrine may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

For the Consumer

Applies to desloratadine / pseudoephedrine: oral tablet extended release 12 hr, oral tablet extended release 24 hr

Along with its needed effects, desloratadine / pseudoephedrine 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 immediately if any of the following side effects occur while taking desloratadine / pseudoephedrine:

Observed during clinical practice
  • Abdominal or stomach pain area
  • chills
  • clay-colored stools
  • cough
  • dark urine
  • difficult or labored breathing
  • difficulty swallowing
  • dizziness
  • elevated liver enzymes
  • fast heartbeat
  • fast, pounding, or irregular heartbeat or pulse
  • fever
  • general tiredness and weakness
  • headache
  • hives
  • irregular heartbeat
  • itching
  • light-colored stools
  • loss of appetite
  • nausea
  • puffiness or swelling of the eyelids or around the eyes, face, lips or tongue
  • rash
  • redness of skin
  • shortness of breath
  • skin rash
  • swelling
  • tightness in chest
  • unpleasant breath odor
  • unusual tiredness or weakness
  • upper right abdominal pain
  • vomiting of blood
  • vomiting
  • welts
  • wheezing
  • yellow eyes or skin
Symptoms of overdose

Get emergency help immediately if any of the following symptoms of overdose occur while taking desloratadine / pseudoephedrine:

  • Increased heart rate
  • sleepiness or unusual drowsiness

Some side effects of desloratadine / pseudoephedrine 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
  • Dry mouth
  • sleeplessness
  • trouble sleeping
  • unable to sleep
Less common
  • Body aches or pain
  • congestion
  • dryness or soreness of throat
  • hoarseness
  • nervousness
  • restlessness
  • runny nose
  • sleepiness or unusual drowsiness
  • tender, swollen glands in neck
  • trouble sitting still
  • voice changes
  • weight loss

For Healthcare Professionals

Applies to desloratadine / pseudoephedrine: oral tablet extended release

Cardiovascular

Cardiovascular side effects have included tachycardia and palpitations.

Hypersensitivity

Hypersensitivity side effects have included rash, pruritus, urticaria, edema, dyspnea, and anaphylaxis.

Nervous system

Nervous system side effects have included headache, insomnia, somnolence, dizziness, and hyperactivity.

Hepatic

Hepatic side effects have included elevated liver enzymes including bilirubin and very rarely hepatitis.

Gastrointestinal

Gastrointestinal side effects have included nausea and anorexia.

General

General side effects have included dry mouth, fatigue and pharyngitis.

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.

Watch this video series to learn about managing severe allergies (anaphylaxis).

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