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Molecule Description

Isoxsuprine relaxes the uterus and prevents preterm (premature) delivery in pre

gnant women.


Uses of Isoxsuprine

  • This medicine is prescribed for improving blood flow
  • It may also be used for other conditions as determined by doctor such as preventing premature labor utilizing its relaxing action on smooth muscles of the uterus
  • Also used to treat cerebral vascular insufficiency, arteriosclerosis in thromboangitis obliterans, which is an inflammatory condition of blood vessels (e.g. Buerger disease) and in Raynaud’s disease

Contraindications of Isoxsuprine

When should one not use Isoxsuprine

  • If you are allergic to this medicine
  • In patients with abnormally low blood pressure
  • In patients with bleeding from an artery
  • Fast heartbeat
  • Recent bleeding

Side effects of Isoxsuprine

Common side effects of this drug are:

  • Nausea
  • Vomiting
  • Nervousness
  • Weakness
  • When used in pregnant women increased the heart rate of the mother or baby have been reported
  • Decrease calcium, glucose and blood pressure have been reported in babies born to mothers who received this medicine
  • Rash (serious)
  • Hives
  • Difficulty in breathing(serious)
  • Tightness in the chest
  • Swelling of the mouth, face, lips or tongue
  • Chest pain, fast or irregular heartbeats and severe persistent dizziness

Precautions and Warnings of Isoxsuprine



Can I take Isoxsuprine during pregnancy?
This medicine relaxes the smooth muscles of the uterus and prevents contractions. It may be prescribed to you in the third trimester of your pregnancy to prevent premature labor. This medicine is to be taken strictly under a physician’s supervision in pregnancy — no adequate data on safety on this medicine in the first two trimesters in available. Please consult with your doctor.

Breast Feeding

Can I take Isoxsuprine while breastfeeding?
It is not clear whether this medicine passes into breast milk so please consult with your doctor before breastfeeding.


Can I drive if I have consumed Isoxsuprine?
This medicine may lead to cause dizziness. Do not drive unless you feel well.


Can I consume alcohol with Isoxsuprine?
No known interaction.

Other General Warnings

Talk to your doctor if
You have any bleeding.

Mode of Action of Isoxsuprine

How Does It Work?

It helps by relaxing the muscles in the uterus.

Interactions of Isoxsuprine

Interactions with other medicines

  • Antihypertensives
  • Antipsychotics
  • Tizanidine

Interactions with food items

No specific food interactions are reported.

Dosage of Isoxsuprine


Seek emergency medical care if you think you have used too much of this medicine. Overdose symptoms may include weakness, lightheadedness, fainting, nausea and vomiting.

Missed a Dose

Take the missed dose as early as you remember. Skip the missed dose if the next dose is close & do not take extra medicine for the missed dose.

Content Details


Dr. Mansi Savla

B. Pharm, PharmD


Dr. Ritu Budania

MBBS, MD (Pharmacology)

Frequently Asked Questions (FAQs)


Q: What should I discuss with my healthcare expert before taking this medicine?

A: This medicine should not be used immediately after postpartum (after delivering a baby). Give a detailed account of your medical and surgical history. Also, mention to your doctor all the prescription and non-prescription medicines, herbal preparations and nutritional supplements that you may be taking before starting this medication.
Last Updated on: 05 Oct 2020 | 10:47 PM (IST)

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