August 2, 2015
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Cenestin

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Cenestin




Cenestin Side Effects Center

Medical Editor: John P. Cunha, DO, FACOEP

Cenestin (synthetic conjugated estrogens, A) is used to treat certain symptoms of menopause such as dryness, burning, and itching of the vaginal area. Common side effects include nausea and vomiting, bloating, breast tenderness, headache, or weight changes.

Cenestin is available in tablet form ranging in strengths of 0.3 mg to 1.25 mg. Dosage adjustment may be made based on patient response. Cenestin may interact with blood thinners, thyroid medications, insulin or oral diabetes medications, rifampin, ketoconazole or itraconazole, seizure medicines, barbiturates, or antidepressants. Tell your doctor all medications you are taking. Cenestin must not be used during pregnancy. If you become pregnant or think you may be pregnant, tell your doctor immediately. This medication passes into breast milk. Consult your doctor before using Cenestin if you are breastfeeding.

Our (synthetic conjugated estrogens, A) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is Patient Information in Detail?

Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.

Cenestin in Detail - Patient Information: Side Effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using conjugated estrogens and call your doctor at once if you have a serious side effect such as:

  • chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling;
  • sudden numbness or weakness, especially on one side of the body;
  • sudden severe headache, confusion, problems with vision, speech, or balance;
  • pain, swelling, warmth, or redness in one or both legs;
  • abnormal vaginal bleeding;
  • migraine headache;
  • pain, swelling, or tenderness in your stomach;
  • confusion, problems with memory or concentration;
  • jaundice (yellowing of the skin or eyes);
  • swelling in your hands, ankles, or feet; or
  • a breast lump.

Less serious side effects may include:

  • mild nausea, vomiting, bloating, stomach cramps;
  • breast pain, tenderness, or swelling;
  • freckles or darkening of facial skin;
  • increased hair growth, loss of scalp hair;
  • changes in weight or appetite;
  • problems with contact lenses;
  • vaginal itching or discharge;
  • changes in your menstrual periods, decreased sex drive; or
  • mild headache, nervousness, dizziness, tired feeling.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the entire detailed patient monograph for Cenestin (Synthetic conjugated estrogens)

What is Patient Information Overview?

A concise overview of the drug for the patient or caregiver from First DataBank.

Cenestin Overview - Patient Information: Side Effects

SIDE EFFECTS: See also Warning section.

Stomach upset, nausea/vomiting, bloating, breast tenderness, headache, or weight changes may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

Tell your doctor promptly if you see the tablet in your stool.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor right away if you have any serious side effects, including: mental/mood changes (such as depression, memory loss), breast lumps, unusual vaginal bleeding (such as spotting, breakthrough bleeding, prolonged/recurrent bleeding), increased or new vaginal irritation/itching/odor/discharge, severe stomach/abdominal pain, persistent nausea/vomiting, yellowing eyes/skin, dark urine, swelling hands/ankles/feet, increased thirst/urination.

This medication may rarely cause serious problems from blood clots (such as heart attacks, strokes, deep vein thrombosis, pulmonary embolism). Get medical help right away if you have any serious side effects, including: chest/jaw/left arm pain, unusual sweating, sudden/severe headache, weakness on one side of the body, confusion, slurred speech, sudden vision changes (such as partial/complete blindness), pain/redness/swelling of legs, tingling/weakness/numbness in the arms/legs, trouble breathing, coughing up blood, sudden dizziness/fainting.

A very serious allergic reaction to this product is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Read the entire patient information overview for Cenestin (Synthetic conjugated estrogens)

What is Prescribing information?

The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.

Cenestin FDA Prescribing Information: Side Effects
(Adverse Reactions)

SIDE EFFECTS

The following serious adverse reactions are discussed elsewhere in the labeling:

Clinical Trials Experience

Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.

In a 12-week clinical trial that included 72 women treated with 0.625 mg and 2 x 0.625 mg Cenestin and 48 women treated with placebo, adverse reactions that occurred at a rate of ≥ 5 percent are summarized in Table 1.

Table 1: Number (%) of Patients with Adverse Reactions with ≥ 5 Percent Occurrence Rate By Body System and Treatment Group

Body System Adverse Reaction Cenestina 0.625 mg and 2 x 0.625 mg
n=72
Placebo
n=48
Total
n=120
Any Adverse Reaction (%) 68 (94) 43 (90) 111 (93)
Body As A Whole
  Abdominal Pain 20 (28) 11 (23) 31 (26)
  Asthenia 24 (33) 20 (42) 44 (37)
  Headache 49 (68) 32 (67) 81 (68)
  Pain 8 (11) 9 (19) 17 (14)
Digestive System
  Dyspepsia  7 (10) 3 (6) 10 (8)
  Flatulence 21 (29) 14 (29) 35 (29)
  Nausea 13 (18) 9 (19) 22 (18)
  Vomiting 5 (7) 1 (2) 6 (5)
Metabolic and Nutritional
  Peripheral Edema  7 (10) 6 (13) 13 (11)
Nervous System
  Depression 20 (28) 18 (38) 38 (32)
  Dizziness 8 (11) 5 (10) 13 (11)
  Insomnia 30 (42) 23 (48) 53 (44)
  Leg Cramps 7 (10) 3 (6) 10 (8)
  Paresthesia 24 (33) 15 (31) 39 (33)
  Vertigo 12 (17) 12 (25) 24 (20)
 Urogenital System 21 (29) 7 (15) 28 (23)
  Breast Pain 4 (6) 3 (6) 7 (6)
  Dysmenorrhea 10 (14) 3 (6) 13 (11)
  Metrorrhagia 10 (14) 3 (6) 13 (11)
a Combined results for 0.625 mg and 2 x 0.625 mg Cenestin Tablets

In a second 12-week clinical trial that included 52 women treated with 0.45 mg Cenestin and 51 women treated with placebo, adverse reactions that occurred at a rate of > 5 percent are summarized in Table 2.

Table 2: Number (%) of Patients with a ≥ 5 Percent Occurrence Rate by Body System and Treatment Group

Body System and Term Cenestin 0.45 mg Placebo
Any Adverse Reaction (%) 40 (75.5%) 39 (76.5%)
Body As A Whole 20 (37.7%) 24 (47.1%)
Asthenia 6 (11.3%) 7 (13.7%)
Headache 6 (11.3%) 8 (15.7%)
Infection 1 (1.9%) 6 (11.8%)
Pain 6 (11.3%) 1 (2.0%)
Pain abdominal 5 (9.4%) 3 (5.9%)
Cardiovascular 5 (9.4%) 10 (19.6%)
Palpitations 3 (5.7%) 3 (5.9%)
Vasodilations 2 (3.8%) 4 (7.8%)
Digestive 8 (15.1%) 7 (13.7%)
Nausea 5 (9.4%) 2 (3.9%)
Metabolic and Nutritional 5 (9.4%) 3 (5.9%)
Weight increase 3 (5.7%) 2 (3.9%)
Musculoskeletal 5 (9.4%) 6 (11.8%)
Arthralgia 5 (9.4%) 5 (9.8%)
Myalgia 2 (3.8%) 6 (11.8%)
Neurological 15 (28.3%) 19 (37.3%)
Anxiety 3 (5.7%) 1 (2.0%)
Insomnia 3 (5.7%) 5 (9.8%)
Nervousness 2 (3.8%) 7 (13.7%)
Paresthesia 4 (7.5%) 3 (5.9%)
Vertigo 3 (5.7%) 3 (5.9%)
Respiratory 10 (18.9%) 6 (11.8%)
Rhinitis 3 (5.7%) 2 (3.9%)
Urogenital 19 (35.8%) 7 (13.7%)
Endometrial thickening 10 (18.9%) 4 (7.8%)
Vaginitis 4 (7.5%) 1 (2.0%)
If a subject experiences the same event more than once, the first occurrence is tabulated.

In a 16-week clinical trial that included 36 women treated with 0.3 mg Cenestin and 34 women treated with placebo, adverse reactions that occurred at a rate of > 5 percent are summarized in Table 3.

Table 3: Number (%) of Patients with Adverse Reactions with ≥ 5 Percent Occurrence Rate By Body System and Treatment Group

Body System and Term Cenestin 0.30 mg Placebo
Body as a Whole 22 (60) 13 (38)
Allergic Reaction 3 (8) 1 (3)
Flu Syndrome 3 (8) 1 (3)
Injury Accident 2 (5) 1 (3)
Back Pain 2 (5) 1 (3)
Cyst 2 (5) 0 (0)
Asthenia 3 (8) 2 (6)
Digestive 10 (27) 8 (24)
Nausea 4 (11) 2 (6)
Dyspepsia 2 (5) 1 (3)
Vomiting 3 (8) 0 (0)
Increased Appetite 2 (5) 0 (0)
Neurological 7 (19) 7 (21)
Dizziness 3 (8) 0 (0)
Urogenital 22 (60) 16 (47)
Leukorrhea 12 (32) 5 (15)
Vaginitis 9 (24) 5 (15)
Urinary Incontinence 3 (8) 1 (3)
Metrorrhagia 2 (5) 0 (0)
Urinary Frequency 2 (5) 0 (0)

Post Marketing Experience

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

Gastrointestinal disorders: abdominal distension, nausea

Investigations: weight increased

Metabolism & Nutrition Disorders: fluid retention

Neoplasms: breast cancer

Nervous System Disorders: headache, insomnia, somnolence

Psychiatric Disorder: depression

Reproductive System and Breast Disorders: breast enlargement, breast pain, breast swelling, breast tenderness

Skin & Subcutaneous Tissue Disorders: alopecia, pruritus, pruritus generalized, rash pruritic, rash

Read the entire FDA prescribing information for Cenestin (Synthetic conjugated estrogens)

Cenestin - User Reviews

Cenestin User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Cenestin sorted by most helpful. Patient Discussions FAQs

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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