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Estradiol valerate (Generic Estrogen Injection)

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Endometrial cancer, or cancer of the uterine lining, is more likely to occur if you use oestrogen. Your chance of developing endometrial cancer increases the longer you use oestrogen. If you have not undergone a hysterectomy (a procedure to remove the uterus), you should be prescribed a progestin to take along with an oestrogen injection. Your risk of having endometrial cancer may be reduced as a result, but your risk of acquiring certain other health issues, such as breast cancer, may increase. Tell your doctor if you have cancer now or ever had cancer, as well as if you experience irregular vaginal bleeding, before you start taking oestrogen injection. If you experience irregular or unusual vaginal bleeding while receiving an oestrogen injection, call your doctor right once.While you are receiving treatment or afterward, your doctor will keep a close eye on you to help prevent the development of endometrial cancer.

Women who took oral oestrogen and progestins had an increased risk of heart attacks, strokes, blood clots in the legs or lungs, breast cancer, and dementia (loss of cognitive function, including the capacity to think, remember, and understand), according to a big study. These disorders may also be more likely to affect women who use oestrogen injections, either alone or in combination with progestins. Inform your doctor if you smoke or use tobacco, if you’ve recently suffered a heart attack or stroke, if you currently have or have previously had breast cancer, or if anybody in your family has any of these conditions. Also let your physician know if you have ever experienced high blood pressure, high cholesterol or fat levels, diabetes, heart disease, lupus (a disease in which the body attacks its own tissues, causing damage and swelling), breast lumps, or an abnormal mammogram (a breast x-ray used to detect breast cancer).

The major medical disorders mentioned above can present with any of the symptoms below. If you have any of the following signs while using oestrogen injection, call your doctor right away: Speech difficulties, dizziness or faintness, sudden complete or partial vision loss, double vision, numbness or weakness of an arm or a leg, crushing chest pain or chest heaviness, coughing up blood, sudden shortness of breath, trouble thinking clearly, remembering, or learning new things, breast lumps or other breast changes, discharge from nipples, or pain, tenderness, or redness in one leg are all symptoms of a sudden severe headache, vomiting, and headache of equal severity.

You can take precautions to lessen your chance of experiencing a significant health issue when using oestrogen injection. To avoid dementia, heart disease, heart attacks, or strokes, do not take oestrogen injections either by themselves or in combination with progestins. Only use oestrogen injections as long as necessary, and use the lowest dose of oestrogen that manages your symptoms. Every three to six months, discuss with your doctor whether you should reduce your oestrogen dosage or stop taking the drug.

To help find breast cancer as early as possible, you should check your breasts monthly and get a mammography and breast exam conducted by a doctor once a year. If you have a personal or family history of illness, your doctor will advise you on how to properly inspect your breasts and whether you need to have them checked more frequently than once a year.

If you are undergoing surgery or will be put on bed rest, let your doctor know. In order to reduce your risk of developing blood clots, your doctor may advise stopping oestrogen injections 4-6 weeks before to the procedure or placing you on bed rest.

Regularly discuss the advantages and disadvantages of getting oestrogen injections with your doctor.

Why is this medication prescribed?

Women who are going through menopause (change of life; the end of monthly menstrual cycles) may experience hot flushes (hot flashes; sudden strong feelings of heat and sweating) as well as vaginal dryness, itching, and burning. These symptoms are treated with the oestrogen injections estradiol cypionate and estradiol valerate. However, women who only have vaginal dryness, irritation, or burning should think about switching to a different medicine. The symptoms of low oestrogen in young women who do not naturally manufacture enough oestrogen are occasionally treated with these types of oestrogen injections. Injections of the oestrogen analogue estradiol valerate are also occasionally used to treat some prostate cancers, which affect the male reproductive system. When a doctor determines that abnormal vaginal bleeding is only brought on by an issue with the body’s hormone levels, conjugated oestrogens are utilised as an oestrogen injectable form. The hormones group of drugs includes oestrogen injection. It functions by displacing oestrogen that the body naturally produces.

How should this medicine be used?

The long-acting oestrogen injection forms, estradiol cypionate and estradiol valerate, are available as liquids to inject into muscles. A medical expert often administers these drugs by injection once every three to four weeks. A healthcare provider often administers the estradiol valerate form of oestrogen injection once every one to two weeks to treat the signs and symptoms of prostate cancer.

Conjugated oestrogen injection comes in powder form, which must be mixed with sterile water before being injected into a muscle or vein. A medical expert often administers it via injection in a single dose. If additional treatment is required to stop vaginal bleeding, it may be administered 6 to 12 hours after the first dosage.

Within 1 to 5 days of receiving an oestrogen injection for the treatment of hot flushes, your symptoms ought to start to subside. If your symptoms don’t go away within this time, let your doctor know.

For a copy of the manufacturer’s information for the patient, ask your chemist or doctor.

Other uses for this medicine

Ask your doctor or chemist for more details if you believe this drug should be used for something else.

What special precautions should I follow?

Before using estrogen injection,

  • If you have an allergy to oestrogen injection, any other oestrogen products, any drugs, or any of the chemicals in oestrogen injection, let your doctor and chemist know right away. For a list of the components in the brand of oestrogen injection you intend to use, see your chemist or the patient information provided by the manufacturer.
  • Inform your doctor and chemist about any vitamins, nutritional supplements, and prescription and over-the-counter drugs you are now taking or intend to take. Any of the following should be mentioned: Aprepitant (Emend), amiodarone (Cordarone, Pacerone), certain antifungals such itraconazole (Sporanox), and ketoconazole (Nizoral); cimetidine (Tagamet); Clarithromycin (Biaxin); Carbamazepine (Carbatrol, Epitol, Tegretol); diltiazem (Cardizem, Dilacor, Tiazac, etc); cyclosporine (Neoral, Sandimmune); dexamethasone (Decadron, Dexpak); fluoxetine (Prozac, Sarafem), fluvoxamine (Luvox), erythromycin (E.E.S., Erythrocin), griseofulvin (Fulvicin, Grifulvin, Gris-PEG); lovastatin (Altocor, Mevacor); atazanavir (Reyataz), a drug used to treat AIDS or the human immunodeficiency virus (HIV), nelfinavir (Viracept), delavirdine (Rescriptor), efavirenz (Sustiva), indinavir (Crixivan), lopinavir (in Kaletra), ritonavir (Norvir, in Kaletra), saquinavir (Fortovase, Invirase), and nevirapine (Viramune); nefazodone, phenobarbital, phenytoin (Dilantin, Phenytek), rifabutin (Mycobutin), rifampin (Rifadin, Rimactane, in Rifamate), medicines for thyroid illness; zafirlukast (Accolate), verapamil (Calan, Covera, Isoptin, Verelan), troleandomycin (TAO), and sertraline (Zoloft). Your physician might need to adjust the dosage of your drugs or keep a close eye on you for side effects.
  • Please let your doctor know if you are taking any herbal supplements, especially St. John’s wort.
  • Inform your physician if you are pregnant, using an oestrogen product, or have ever experienced skin or eye yellowing, endometriosis (a disorder where the tissue that lines the uterus [womb] develops in other parts of the body), uterine fibroids (growths in the uterus that are not malignant), asthma, seizures, porphyria (a blood disorder in which aberrant substances accumulate and negatively impact the skin or neurological system), migraine headaches, and so forth, extremely high or extremely low blood calcium levels, thyroid, liver, kidney, gallbladder, or pancreatic illness are all examples of extreme conditions.
  • Inform your doctor if you are expecting, intend to get pregnant, or are nursing a baby. Call your doctor if you become pregnant while taking oestrogen injections.

What special dietary instructions should I follow?

If you plan to consume grapefruits or grapefruit juice while taking this medication, consult your doctor.

What should I do if I forget a dose?

Call your doctor as soon as you can if you are going to be late for an appointment to receive an injection of oestrogen.

What side effects can this medication cause?

Side effects from oestrogen injection could occur. If any of these symptoms are severe or do not go away, let your doctor know right once:

  • Achy or sensitive breasts
  • Uneasy stomach
  • Vomiting
  • Loss or increase of weight
  • Dizziness
  • Nervousness
  • Depression
  • Irritability
  • Alteration of sexual desire
  • Hair fall
  • Excessive hair growth
  • Sporadic darkening of the face’s skin
  • Using contact lenses is challenging
  • Leg twitches
  • Vaginal enlargement, redness, stinging, itching, or irritation
  • Vaginal oozing

Some adverse effects can be very harmful. Call your doctor right away if you have any of these signs or any of those in the IMPORTANT WARNING section:

  • Enlarged eyes
  • Stomach discomfort, soreness, or pain
  • Reduced appetite
  • Weakness
  • Eyes or skin that have a yellow tint
  • Joints hurt
  • Moves that are challenging to manage
  • Blisters or a rash
  • Hives
  • Itching
  • Swelling of the lower legs, lower arms, hands, feet, ankles, tongue, or throat
  • Hoarseness
  • Breathing or swallowing challenges

Estrogen may raise your risk of getting ovarian cancer or gallbladder disease, both of which may require surgical intervention to address. Consult your doctor about the dangers of oestrogen injectable use.

In children who take high amounts of oestrogen for an extended period of time, growth may halt or stop entirely. The time and rate of a child’s sexual development may also be impacted by oestrogen injection.The doctor treating your child for oestrogen use will keep a close eye on him or her. The hazards of giving your child this medication should be discussed with your child’s doctor.

Other negative effects after oestrogen injection are possible. If you experience any strange issues while taking this medicine, contact your doctor right away.

You or your doctor can submit a report to the Food and Drug Administration’s (FDA) MedWatch Adverse Event Reporting programme online at or by phone at 1-800-332-1088 if you suffer a serious side event.

What should I know about storage and disposal of this medication?

The drug will be kept by your doctor in their office.

In case of emergency/overdose

Call the poison control hotline at 1-800-222-1222 in the event of an overdose. Additionally, information can be found online at Call 911 right once if the person has collapsed, experienced a seizure, is having difficulty breathing, or cannot be roused.

Overdose symptoms could include:

  • Uneasy stomach
  • Vomiting
  • Uterine bleeding

What other information should I know?

Keep all of your doctor’s appointments.

Inform the lab staff and your doctor that you are using oestrogen injections prior to any laboratory test.

You should keep a written record of every medication you take, including any over-the-counter (OTC) items, prescription drugs, and dietary supplements like vitamins and minerals. This list should be brought with you whenever you see a doctor or are admitted to the hospital. You should always have this information with you in case of emergencies.

Brand names

  • Delestrogen®
  • DEPO-Estradiol®
  • Premarin® I.V.
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