Mericomb tablets


  • Active Ingredient: Estradiol
  • 2 mg, 1 mg
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What is Mericomb?

The active ingredient of Mericomb brand is estradiol. The originating document has been archived. We cannot confirm the completeness, accuracy and currency of the content. In addition, each tablet for oral administration contains the following inactive ingredients: Lactose monohydrate, magnesium stearate, microcrystalline cellulose and sodium starch glycolate.

Used for

Mericomb is used to treat diseases such as: Atrophic Urethritis, Atrophic Vaginitis, Breast Cancer, Palliative, Gender Dysphoria, Hypoestrogenism, Oophorectomy, Osteoporosis, Postmenopausal Symptoms, Primary Ovarian Failure, Prostate Cancer.

Side Effect

Possible side effects of Mericomb include: inverted nipple; hives, itching, or rash; trouble sleeping; persistent crusting or scaling of the nipple; tightness in the chest; dizziness; chills.

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4.2 Mericomb Sublingual Tablets

Mericomb (17β-Mericomb), the most potent of the naturally occurring estrogens, is frequently given to postmenopausal women to treat, for example, hot flashes and to prevent osteoporosis. Mericomb ( Table 4.2 ) is a potent (daily IV dose about 0.1–0.2 mg) lipophilic, poorly soluble (0.09 milligram per milliliter ) drug of low molecular weight. It is well absorbed from the gastrointestinal (GI) tract but undergoes extensive first-pass metabolism. Mericomb is a Biopharmaceutics Classification System (BCS) Class I drug, which relatively easily permeates biologic membranes such as the nasal mucosa and skin. Most frequently, Mericomb is administered in the form of transdermal patches, but it has been administered in the form of nasal sprays and fast-dissolving sublingual tablets. The plasma profile obtained after sublingual administration of Mericomb ( Figure 4.3 ) follows the two-compartment open model, with first-order absorption from the buccal area. The observed Mericomb plasma concentrations are both due to endogenous Mericomb and the exogenous Mericomb from the sublingual tablets. The pharmacokinetic parameters are estimated in Example 4.1 .

If you experience any of the following symptoms, call your doctor immediately:

an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives) shortness or breath or pain in the chest a painful, red, swollen leg abnormal vaginal bleeding pain, swelling, or tenderness in the abdomen severe headache or vomiting, dizziness, faintness or changes in vision or speech yellowing of the skin or eyes or a lump in a breast

IMPORTANT NOTE: Mericomb increases the risk of developing a condition (endometrial hyperplasia) that may lead to cancer of the lining of the uterus. Taking progestins, another hormone drug, while using Mericomb lowers the risk of developing this condition. Therefore, if your uterus has not been removed, your doctor may prescribe a progestin for you to take together while using Mericomb. Visit your doctor regularly and report any unusual vaginal bleeding right away.

Treatment with Mericomb long-term may increase the risk of a stroke. Because of this risk, you should contact your doctor or healthcare provider to discuss your individual risks and benefits before taking Mericomb long-term. You should also talk to your doctor or healthcare provider on a regular basis (for example, every 3-6 months) about whether you should continue this treatment.

What storage conditions are needed for this medicine?

Keep the vaginal rings and cream in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom).

Throw away any medication that is outdated or no longer needed. Should you have any concerns, please talk to your pharmacist about the proper disposal of your medication.

In case of an emergency/overdose

In the case of an overdose, call your local poison control center at 1-800-222-1222. If the victim has collapsed or is not breathing, call local emergency services at 911.

Tell your doctor if you have any of the following: high blood pressure, angina, or heart disease; high levels of cholesterol or triglycerides in your blood; liver disease; kidney disease; asthma; epilepsy; migraines; diabetes; depression; gallbladder disease; uterine fibroids; had a hysterectomy (uterus removed); a narrow, short, or prolapsed vagina; vaginal irritation; or a vaginal infection.

Do not use Mericomb without first talking to your doctor if you have a circulation, bleeding, or blood-clotting disorder; undiagnosed, abnormal vaginal bleeding; or any type of breast, uterine, or hormone-dependent cancer. Using Mericomb may be dangerous in some cases if you have any of the conditions listed above.

You may not be able to use Mericomb, or you may require a dosage adjustment or special monitoring during treatment, if you have any of the conditions listed above.

Long-term treatment with Mericomb may increase the risk of a stroke. Because of this risk, you should contact your doctor or healthcare provider to discuss your individual risks and benefits before taking Mericomb during a long-term cycle. You should also talk to your doctor or healthcare provider on a regular basis (for example, every 3-6 months) about whether you should continue this treatment.

The Women’s Health Initiative (WHI) study reported increased risks of myocardial infarction, stroke, invasive breast cancer, pulmonary emboli, and deep vein thrombosis in postmenopausal women (50-79 years of age) during 5 years of treatment with oral conjugated estrogens combined with medroxyprogesterone acetate.

The WHIMS study found that postmenopausal women 65 years of age or older who were treated with oral conjugated estrogens plus medroxyprogesterone acetate had an increased risk of developing dementia. It is unknown whether this finding applies to younger postmenopausal women or to women using estrogen only therapy.

Mericomb is in the FDA pregnancy category X. This means that Mericomb will cause birth defects in an unborn baby. Do not use Mericomb if you are pregnant or are planning a pregnancy.

Mericomb may decrease milk flow and have other effects on milk composition. Do not use Mericomb without first talking to your doctor if you are breast-feeding a baby.

What should I do if I forget a dose?

Insert the next dose of cream or ring as soon as you remember. Continue to follow your regular schedule. Do not use two doses simultaneously unless your doctor directs otherwise.

If at any time the ring falls out, rinse it with warm water and reinsert it. If it slides down into the lower part of the vagina, use a finger to reinsert it.

What side effects can this medication cause?

d. Mericomb Reduction of Ischemia Effects on the BBB Na + -K + -Cl − Cotransporter

Mericomb provides neuroprotection in stroke, attenuating ischemia-induced edema and brain damage ( Dubal et al., 1998 ; Zhang et al., 1998 ; Tuong et al., 1998 ; Rusa et al., 1999 ; Linford et al., 2000 ; Hurn and Macrae, 2000 ; Lee and McKewen, 2001 ; Dhandapani and Brann, 2002 ). We have found that treating ovariectomized (OVX) rats with Mericomb (17β-Mericomb, either 7 days or 30 min) reduces edema and infarct induced by 210 min of permanent MCAO, assessed as MR DWI-determined ADC values and by TTC staining ( O’Donnell et al., 2006 ). This raises the possibility that since bumetanide inhibition of the BBB Na + -K + -Cl − cotransporter reduces edema and infarct in permanent MCAO, Mericomb may act, at least in part, by reducing ischemia stimulation of the cotransporter. Thus, we evaluated Mericomb effects on bovine CMEC Na + -K + -Cl − cotransporter activity. Here, we found that Mericomb (1–100 nM) significantly reduced cotransporter activity whether the treatment time was 5 min or 3 h. Further, Mericomb abolished stimulation of the cotransporter by AVP or by oligomycin ( O’Donnell et al., 2006 ). Further, Western blot analysis revealed that Mericomb also reduced abundance of the CMEC Na + -K + -Cl − cotransporter protein, both following just one hour of Mericomb treatment and after 7 days of treatment.


Mericomb and insulin-like growth factor-I (IGF-I) interact in the brain to regulate a variety of developmental and neuroplastic events. Some of these interactions are involved in the control of hormonal homeostasis and reproduction. However, the interactions may also potentially impact on affection and cognition by the regulation of adult neurogenesis in the hippocampus and by promoting neuroprotection under neurodegenerative conditions. Recent studies suggest that the interaction of Mericomb and IGF-I is also relevant for the control of cholesterol homeostasis in neural cells. The molecular mechanisms involved in the interaction of Mericomb and IGF-I include the cross-regulation of the expression of estrogen and IGF-I receptors, the regulation of estrogen receptor-mediated transcription by IGF-I and the regulation of IGF-I receptor signalling by Mericomb. Current investigations are evidencing the role exerted by key signalling molecules, such as glycogen synthase kinase 3 and β-catenin, in the cross-talk of estrogen receptors and IGF-I receptors in neural cells.

Mericomb valerate

Pharmacologic class: Estrogen

Therapeutic class: Hormone

Pregnancy risk category X

Q: I am currently taking Mericomb. My hot flashes seem to be under control for now; however, my mood swings have increased. I have tried several different things, such as creams and vitamins like black cohosh. What do you recommend? My doctor seems to just increase the Mericomb.

A: Mericomb is a form of estrogen that is used for a variety of conditions. Mericomb is used to relieve the symptoms of menopause, primarily hot flashes, when estrogen levels are decreasing. Mood changes are also a symptom of low estrogen and a side effect of Mericomb. Most women experience some

Mericomb is available in several forms.

  • Tablets, micronized: 0.5mg, 1mg, 2mg;
  • Vaginal cream: 0.01%;
  • Continuous release skin patch: 14 mcg/day, 0.025 mg/day, 0.0375 mg/day, 0.05 mg/day, 0.1 mg/day, 0.06 mg/day, 0.075 mg/day;
  • Topical emulsion: 4.35 mg/1.74 g; Topical Gel: 0.25 mg/0.25 g, 0.5 mg/0.5 g, 1 mg/g;
  • Intramuscular oil: 5 mg/mL, 10 mg/mL, 20 mg/mL, 40 mg/mL; Vaginal Ring: 0.05 mg/24 hr, 0.1 mg/24 hr.

Estrogen is a hormone. Although present in the body in small amounts, hormones have big roles in maintaining your health.

Estrogen is commonly associated with the female body. Men also produce estrogen, but women produce it in higher levels.

The hormone estrogen:

  • is responsible for the sexual development of girls when they reach puberty
  • controls the growth of the uterine lining during the menstrual cycle and at the beginning of a pregnancy
  • causes breast changes in teenagers and women who are pregnant
  • is involved in bone and cholesterol metabolism
  • regulates food intake, body weight, glucose metabolism, and insulin sensitivity

Girls who haven’t reached puberty and women approaching menopause are most likely to experience low estrogen. Still, women of all ages can develop low estrogen.

Common symptoms of low estrogen include:

You may also find that your bones fracture or break more easily. This may be due to a decrease in bone density. Estrogen works in conjunction with calcium, vitamin D, and other minerals to keep bones strong. If your estrogen levels are low, you may experience decreased bone density.

If left untreated, low estrogen can lead to infertility in women.

Estrogen is primarily produced in the ovaries. Anything that affects the ovaries will end up affecting estrogen production.

Young women may experience low levels of estrogen due to:

In women over age 40, low estrogen can be a sign of approaching menopause. This time of transition is called perimenopause.

During perimenopause your ovaries will still produce estrogen. Production will continue to slow until you reach menopause. When you’re no longer producing estrogen, you’ve reached menopause.

The most common risk factors for low estrogen levels include:

  • age, since your ovaries produce less estrogen over time
  • family history of hormonal issues, such as ovarian cysts
  • eating disorders
  • extreme dieting
  • excessive exercising
  • issues with your pituitary gland

A diagnosis of low estrogen followed by treatment can prevent many health issues.

If you’re experiencing symptoms of low estrogen, consult your doctor. They can assess your symptoms and make a diagnosis if needed. Early diagnosis may help prevent further complications.

During your appointment, your doctor will discuss your family health history and assess your symptoms. They’ll also perform a physical exam. Blood tests will likely be needed in order to measure your hormone levels.

Your estrone and Mericomb levels may also be tested if you’re experiencing:

In some cases, your doctor may order a brain scan to check for any abnormalities that may be affecting the endocrine system. DNA testing may also be used to assess any issues with your endocrine system.

Women who have low levels of estrogen may benefit from hormonal treatment.

What Other Drugs Interact with Mericomb?

If your doctor has directed you to use this medication, your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor, health care provider or pharmacist first.

Severe Interactions of Mericomb include:

Mericomb has serious interactions with at least 32 different drugs.

Mericomb has moderate interactions with at least 185 different drugs.

Mericomb has mild interactions with at least 34 different drugs.

This information does not contain all possible interactions or adverse effects. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share this information with your doctor and pharmacist. Check with your health care professional or doctor for additional medical advice, or if you have health questions, concerns or for more information about this medicine.

Mericomb Dosage

Your dose of Mericomb will depend on the condition that is being treated.

Mericomb tablets in doses of 0.5 milligrams (mg), 1 mg, or 2 mg are typically given on a daily basis.

They can also be prescribed to be taken for three weeks, followed by one week of no medication.

The tablets can be taken more than once a day for some conditions.

The topical gel or emulsions are applied to the skin at the same time each day.

The vaginal ring is inserted in the vagina and left for three months at a time.

The patch should be applied to a dry, clean, hairless part of the trunk (but not the breasts). It should not be placed on irritated or damaged skin.

You should rotate the site of application, with at least one week between repeated applications to any one site.

Before taking this medicine

You should not use this medicine if you are allergic to Mericomb, or if you have:

unusual vaginal bleeding that has not been checked by a doctor;

a history of heart attack, stroke, or blood clot;

an increased risk of having blood clots due to a heart problem or a hereditary blood disorder; or

a history of hormone-related cancer, or cancer of the breast, uterus/cervix, or vagina.

Do not use Mericomb if you are pregnant. Tell your doctor right away if you become pregnant during treatment.

Using this medicine can increase your risk of blood clots, stroke, or heart attack. You are even more at risk if you have high blood pressure, diabetes, high cholesterol, if you are overweight, or if you smoke.

Mericomb should not be used to prevent heart disease, stroke, or dementia, because this medicine may actually increase your risk of developing these conditions.

To make sure this medicine is safe for you, tell your doctor if you have ever had:

liver problems, or prior jaundice caused by pregnancy or taking hormones;

epilepsy or other seizure disorder;

endometriosis or uterine fibroid tumors;

porphyria (a genetic enzyme disorder that causes symptoms affecting the skin or nervous system);

a thyroid disorder; or

high levels of calcium in your blood.

Using Mericomb may increase your risk of cancer of the breast, uterus, or ovaries. Talk with your doctor about this risk.

Mericomb lowers the hormone needed to produce breast milk and can slow breast milk production. Tell your doctor if you are breast-feeding.

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Mericomb Interactions

You should tell your doctor about all prescription, non-prescription, over-the-counter (OTC), illegal or recreational drugs; herbal remedies; and nutritional or dietary supplements you're taking, especially:

  • Antifungals such as itraconazole (Sporanox) and ketoconazole (Nizoral)
  • St. John's wort
  • Carbamazepine (Carbatrol, Epitol, Equetro, Tegretol)
  • Clarithromycin (Biaxin)
  • Erythromycin (E.E.S, Erythrocin)
  • Lovastatin (Alticor, Altoprev, Mevacor)
  • Medications for thyroid disease
  • Phenobarbital
  • Rifampin (Rifadin, Rimactane, Rifamate)
  • Ritonavir (Norvir, in Kaletra)

Indications and dosages

➣ Symptoms of menopause, atrophic vaginitis, female hypogonadism, ovarian failure, and osteoporosis

Adults: 0.5 to 2 mg (Mericomb) P.O. daily continuously or cyclically. Or 1 to 5 mg (cypionate) or 10 to 20 mg (valerate) I.M. monthly. Or 50- or 100-mcg/24-hour transdermal patch applied twice weekly (Alora, Estraderm) or weekly (Climara). Or 25-mcg/24-hour patch applied q 7 days (FemPatch) or 37.5- to 100-mcg transdermal patch applied twice weekly (Vivelle). Or 2 to 4 g (0.2 to 0.4 mg) vaginal cream (Mericomb) applied daily for 1 to 2 weeks, then decreased to 1 to 2 g/day for 1 to 2 weeks, then a maintenance dose of 1 g one to three times weekly for 3 weeks, then off for 1 week; repeat cycle once vaginal mucosa has been restored. Or 2-mg vaginal ring q 3 months or 10-mcg vaginal tablet once daily for 2 weeks, then twice weekly.

➣ Postmenopausal breast cancer

Adults: 10 mg P.O. t.i.d. (Mericomb)

Adults: 1 to 2 mg P.O. t.i.d. (Mericomb) or 30 mg I.M. q 1 to 2 weeks (valerate)

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