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Generic Name: Hydroxyprogesterone Caproate

What is this medicine?

HYDROXYPROGESTERONE (hye drox ee proe JES ter one) is a female hormone. This medicine is used in women who are pregnant and who have delivered a baby too early (preterm) in the past. It helps lower the risk of having a preterm baby again.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:

-blood clotting disorders
-breast, cervical, uterine, or vaginal cancer
-diabetes or prediabetes
-heart disease
-high blood pressure
-kidney disease
-liver disease
-lung or breathing disease, like asthma
-migraine headaches
-vaginal bleeding
-an unusual or allergic reaction to hydroxyprogesterone, other hormones, medicines, foods, dyes, castor oil, benzyl alcohol, or other preservatives

How should I use this medicine?

This medicine is for injection into a muscle. It is given by a health care professional in a hospital or clinic setting. You are likely to get an injection once a week to prevent preterm delivery.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

Overdosage: If you think you've taken too much of this medicine contact a poison control center or emergency room at once.

What if I miss a dose?

It is important not to miss your dose. Call your doctor or health care professional if you are unable to keep an appointment.

What may interact with this medicine?

-theophylline, aminophylline

What should I watch for while using this medicine?

Your condition will be monitored carefully while you are receiving this medicine.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:

-allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
-breathing problems
-breast tissue changes or discharge
-changes in vision
-confusion, trouble speaking or understanding
-depressed mood
-increased hunger or thirst
-increased urination
-pain, redness, or irritation at site where injected
-pain, swelling, warmth in the leg
-shortness of breath, chest pain, swelling in a leg
-sudden numbness or weakness of the face, arm or leg
-sudden severe headaches
-trouble walking, dizziness, loss of balance or coordination
-unusually weak or tired
-vaginal bleeding
-yellowing of the eyes or skin
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

-changes in emotions or moods
-fluid retention and swelling

Where should I keep my medicine?

This drug is given in a hospital or clinic and will not be stored at home.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

All visitors to AARP.org should seek expert medical care and consult their own physicians for any specific health issues. Read this disclaimer in its entirety.
Note: This information is not intended to cover all possible uses, precautions, interactions, or adverse effects for this drug. If you have question about the drug(s) you are taking, check with your health care professional.
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