SudoGest Side Effects

Generic Name: pseudoephedrine

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

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

For the Consumer

Applies to pseudoephedrine: oral capsule, oral capsule extended release, oral capsule liquid filled, oral liquid, oral solution, oral suspension, oral syrup, oral tablet, oral tablet chewable, oral tablet extended release

As well as its needed effects, pseudoephedrine (the active ingredient contained in SudoGest) may cause unwanted side effects that require medical attention.

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

Rare - more common with high doses
  • Convulsions (seizures)
  • hallucinations (seeing, hearing, or feeling things that are not there)
  • irregular or slow heartbeat
  • shortness of breath or troubled breathing
Symptoms of overdose
  • Convulsions (seizures)
  • fast breathing
  • hallucinations (seeing, hearing, or feeling things that are not there)
  • increase in blood pressure
  • irregular heartbeat (continuing)
  • shortness of breath or troubled breathing (severe or continuing)
  • slow or fast heartbeat (severe or continuing)
  • unusual nervousness, restlessness, or excitement

Some 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
  • Nervousness
  • restlessness
  • trouble in sleeping
Less common
  • Difficult or painful urination
  • dizziness or light-headedness
  • fast or pounding heartbeat
  • headache
  • increased sweating
  • nausea or vomiting
  • trembling
  • unusual paleness
  • weakness

For Healthcare Professionals

Applies to pseudoephedrine: compounding powder, oral liquid, oral suspension extended release, oral tablet, oral tablet chewable, oral tablet extended release

Cardiovascular

Pseudoephedrine causes vasoconstriction which generally does not produce hypertension, but may be problematic for patients with preexisting hypertension. Arrhythmias may be produced in predisposed patients. Rarely, pseudoephedrine (the active ingredient contained in SudoGest) has been reported to cause coronary artery spasm and chest pain.

One report evaluated the effect with 60 mg of pseudoephedrine on individuals in a hyperbaric chamber at 1 atmosphere (simulated scuba dive to 66 feet of sea water). Pseudoephedrine and depth (simulated) were found to have significant but opposite effects on heart rate, although these effects were unlikely to be clinically significant during diving.

Cardiovascular side effects have included tachycardia. Some patients have developed hypertension and/or arrhythmias.

Nervous system

Nervous system side effects have included insomnia in up to 30% of patients. Tremor, anxiety, nervousness, and headache have also been reported.

Gastrointestinal

Gastrointestinal side effects have included anorexia and gastric irritation in approximately 5% of patients. Dry mouth, nose, or throat have occurred in up to 15% of patients.

Hypersensitivity

Hypersensitivity side effects have included fixed drug eruptions.

Other

False-positive amphetamine immunoassay have resulted from pseudoephedrine (the active ingredient contained in SudoGest) False-positives can occur far below the published pseudoephedrine threshold, indicating that cross-reactivity in human specimens is sometimes greater than the limits reported.

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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