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Yutopar Side Effects

Generic Name: ritodrine

Note: This document contains side effect information about ritodrine. Some of the dosage forms listed on this page may not apply to the brand name Yutopar.

For the Consumer

Applies to ritodrine: solution, tablet

Along with its needed effects, ritodrine (the active ingredient contained in Yutopar) 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 ritodrine:

More common
  • Blurred vision
  • chest pain or tightness
  • dizziness or lightheadedness
  • drowsiness
  • dry mouth
  • fast or irregular heartbeat—rare with oral form
  • flushed and dry skin
  • fruit-like breath odor
  • increased urination
  • loss of appetite
  • nausea
  • severe pounding or racing heartbeat—rare with oral form
  • shortness of breath—rare with oral form
  • sleepiness
  • stomachache
  • tiredness
  • troubled breathing (rapid and deep)
  • unusual thirst
  • vomiting

Get emergency help immediately if any of the following symptoms of overdose occur while taking ritodrine:

  • Fast or irregular heartbeat (severe)
  • nausea or vomiting (severe)
  • nervousness or trembling (severe)
  • shortness of breath (severe)

Some side effects of ritodrine 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 Less common or rare

After you stop using this medicine, it may still produce some side effects that need attention. During this period of time, check with your doctor immediately if you notice the following side effects:

  • Shortness of breath

For Healthcare Professionals

Applies to ritodrine: intravenous solution


Cardiovascular side effects have included tachycardia or other cardiac arrhythmias (80% to 100%), diastolic blood pressure reduction resulting in dizziness and lightheadedness (80% to 100%), and chest pain or tightness (15%). Myocardial ischemia and palpitations have also been reported.[Ref]

Nervous system

Nervous system side effects have included tremor and headache (10% to 50%). Nervousness, jitteriness, and restlessness have also been reported.[Ref]


Dermatologic side effects have included erythema and rash.[Ref]


Gastrointestinal side effects have included nausea and vomiting.[Ref]


Hematologic side effects have included leukopenia and agranulocytosis. Associated with long-term (2 to 3 weeks) use, these effects were reversible upon discontinuation.[Ref]


Hepatic side effects have included hepatitis or impaired hepatic function.[Ref]


Metabolic side effects have included transient maternal hyperglycemia and ketoacidosis.[Ref]

Symptoms associated with hyperglycemia included: blurred vision; drowsiness; dry mouth; flushed, dry skin; fruit-like breath odor; increased frequency and volume of urination; ketones in urine; loss of appetite; somnolence; stomachache; nausea, or vomiting; tiredness; and unusual thirst.[Ref]


Respiratory side effects have included pulmonary edema (shortness of breath).[Ref]


Psychiatric side effects have included anxiety and emotional upset.[Ref]


1. "Product Information. Yutopar (ritodrine)." Astra USA, Westborough, MA.

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

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