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Ritodrine Side Effects

The most commonly reported side effects of ritodrine include foetal exposure during pregnancy, exposure during pregnancy, and premature baby, based on 483 FDA adverse event reports from 2004 to 2025. 3.1% of reports found the drug to be ineffective.

Ritodrine side effects

Percentages show how often each reaction appears relative to total reports for ritodrine.

1
Foetal Exposure During Pregnancy26.5%128
2
Exposure During Pregnancy22.2%107
3
Premature Baby21.9%106
4
Maternal Exposure During Pregnancy18.0%87
5
Low Birth Weight Baby14.9%72
6
Premature Delivery9.9%48
7
Drug Exposure During Pregnancy7.7%37
8
Pulmonary Oedema5.8%28
9
Premature Labour5.2%25
10
Caesarean Section4.8%23
11
Live Birth4.3%21
12
Premature Baby4.1%20
13
Anaemia4.1%20
14
Maternal Drugs Affecting Foetus3.9%19
15
Off Label Use3.7%18

These are voluntary reports and do not establish that ritodrine caused these reactions.

Report severity

89.2%Serious431 reports
35.6%Hospitalizations172 reports
3.5%Fatal17 reports

Seriousness is determined by the reporter, not by OpenClaim.

Ritodrine drug interactions

Other drugs that appear in adverse event reports alongside ritodrine. Drugs flagged as a suspected cause appear in the first column. Drugs taken at the same time but not suspected appear in the second.

Also suspected

1
Betamethasone12.8%62
2
Magnesium-sulfate12.6%61
3
Nifedipine10.6%51
4
Dexamethasone6.2%30
5
Erythromycin4.3%21
6
Aspirin4.1%20
7
Progesterone4.1%20
8
Acetaminophen3.7%18
9
Insulin3.5%17
10
Hydralazine-hydrochloride3.5%17
11
Prednisolone3.5%17
12
Magnesium-oxide3.5%17
13
Paroxetine3.3%16
14
Zolpidem-tartrate3.3%16
15
Indomethacin2.7%13

Taken alongside

1
Betamethasone7.5%36
2
Magnesium-sulfate5.2%25
3
Ampicillin3.7%18
4
Prednisolone2.9%14
5
Magnesium-oxide2.7%13
6
Nifedipine2.1%10
7
Methyldopa1.9%9
8
Insulin1.9%9
9
Dexamethasone1.9%9
10
Prednisone1.7%8
11
Acetaminophen1.7%8
12
Heparin1.4%7
13
Fentanyl1.4%7
14
Omeprazole1.4%7
15
Famotidine1.2%6

Co-occurrence in adverse event reports does not establish a drug interaction. Patients often take multiple medications, and these lists reflect prescribing patterns rather than causal relationships. Consult a healthcare provider about potential drug interactions.

Who reports ritodrine side effects

64.8% of ritodrine adverse event reports involve female patients and 15.3% involve male patients. The largest age group is adult at 66%. These figures reflect who reports side effects, not underlying risk.

Sex

Female64.8%
Male15.3%
Unknown19.9%

Age group

< 233.1%
2–110.3%
12–170.6%
18–6465.6%
65+0.3%

What is ritodrine used for

Conditions and purposes for which patients were taking ritodrine when the adverse event was reported.

Abdominal DiscomfortAbdominal DistensionAbortion ThreatenedAnaesthesiaAnalgesic TherapyAtrioventricular Block CompleteAbdominal DistensionAbdominal PainAbortion ThreatenedAmniotic Membrane Rupture TestBradycardia FoetalCaesarean SectionCardiac Autonomic NeuropathyDrug Use For Unknown IndicationExposure During Pregnancy

Showing 15 of 55 indications

Ritodrine brand names and reporting trend

Ritodrine is sold under the brand name Ritodrine Hcl.

Brand names

Ritodrine Hcl1

Quarterly reports (20042025)

20052010201520202025

An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.

Taking ritodrine with another medication?

Ask OpenClaim about your specific drug combination. Get a sourced report using FDA data, drug labels, and medical literature.