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Premarin Injection

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Premarin Injection

Side Effects
Interactions

SIDE EFFECTS

See BOXED WARNINGS, WARNINGS, and PRECAUTIONS.

Premarin Intravenous for injection is indicated for short-term use. However, the warnings, precautions and adverse reactions associated with oral Premarin treatment should be taken into account.

The following adverse reactions have been identified during post-approval use of oral or intravenous Premarin. Because these reactions are reported voluntarily from a population of uncertain size, it is not possible to reliably estimate their frequency or establish a causal relationship to drug exposure.

Genitourinary system

Abnormal uterine bleeding/spotting.
Dysmenorrhea or pelvic pain.
Increase in size of uterine leiomyomata.
Vaginitis, including vaginal candidiasis.
Change in amount of cervical secretion.
Change in cervical ectropion.
Ovarian cancer.
Endometrial hyperplasia.
Endometrial cancer.

Breasts

Tenderness, enlargement, pain, discharge, galactorrhea.
Fibrocystic breast changes.
Breast cancer.

Cardiovascular

Deep and superficial venous thrombosis.
Pulmonary embolism.
Thrombophlebitis.
Myocardial infarction.
Stroke.
Increase in blood pressure.

Gastrointestinal

Nausea, vomiting.
Abdominal cramps, bloating.
Cholestatic jaundice.
Increased incidence of gallbladder disease.
Pancreatitis.
Enlargement of hepatic hemangiomas.
Ischemic colitis.

Skin

Chloasma or melasma that may persist when drug is discontinued.
Erythema multiforme.
Erythema nodosum.
Hemorrhagic eruption.
Loss of scalp hair.
Hirsutism.
Pruritis.
Rash.

Eyes

Retinal vascular thrombosis.
Intolerance to contact lenses.

Central Nervous System

Headache.
Migraine.
Dizziness.
Mental depression.
Exacerbation of chorea.
Nervousness.
Exacerbation of epilepsy.
Dementia.
Possible growth potentiation of benign meningioma.

Miscellaneous

Increase or decrease in weight.
Glucose intolerance.
Aggravation of porphyria.
Edema.
Arthralgia.
Leg cramps.
Changes in libido.
Urticaria.
Hypocalcemia (preexisting condition).
Injection site pain.
Injection site edema.
Phlebitis (injection site).
Exacerbation of asthma.
Increased triglycerides.

Read the Premarin Injection (conjugated estrogens for injection) Side Effects Center for a complete guide to possible side effects

DRUG INTERACTIONS

Drug-Laboratory Test Interactions

  1. Accelerated prothrombin time, partial thromboplastin time, and platelet aggregation time; increased platelet count; increased factors II, VII antigen, VIII antigen, VIII coagulant activity, IX, X, XII, VII-X complex, II-VII-X complex, and beta-thromboglobulin; decreased levels of anti-factor Xa and antithrombin III, decreased antithrombin III activity; increased levels of fibrinogen and fibrinogen activity; increased plasminogen antigen and activity.
  2. Increased thyroid-binding globulin (TBG) leading to increased circulating total thyroid hormone, as measured by protein-bound iodine (PBI), T4 levels (by column or by radioimmunoassay) or T3 levels by radioimmunoassay. T3 resin uptake is decreased, reflecting the elevated TBG. Free T4 and free T3 concentrations are unaltered. Patients on thyroid replacement therapy may require higher doses of thyroid hormone.
  3. Other binding proteins may be elevated in serum, i.e., corticosteroid binding globulin (CBG), SHBG, leading to increased total circulating corticosteroids and sex steroids respectively. Free hormone concentrations, such as testosterone and estradiol, may be decreased. Other plasma proteins may be increased (angiotensinogen/renin substrate, alpha-1-antitrypsin, ceruloplasmin).
  4. Increased plasma high-density lipoprotein (HDL) and HDL2 subfraction concentrations, reduced low-density lipoprotein (LDL) cholesterol concentration, increased triglyceride levels.
  5. Impaired glucose tolerance.

Read the Premarin Injection Drug Interactions Center for a complete guide to possible interactions

Last reviewed on RxList: 5/2/2012
This monograph has been modified to include the generic and brand name in many instances.

Side Effects
Interactions
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Additional Premarin Injection Information

Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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