Is Activella Dangerous?

Specific Activella Warnings and Precautions

Warnings and precautions to be aware of prior to using Activella include the following:
 
 
 
  • Let your healthcare provider know if you have abnormal vaginal bleeding (such as heavy bleeding or bleeding between periods) while taking Activella, as this may be a sign of precancerous or cancerous changes in the uterus. Your healthcare provider can perform the necessary tests to rule out cancer.
     
  • When possible, Activella should be stopped four to six weeks before many surgeries in order to help prevent blood clots.
     
  • Estrogen-containing drugs seem to increase the risk of dementia. In no case should Activella be used to prevent or treat dementia (it is not effective for this use).
     
  • Activella should be used with caution in women who have low calcium levels in the blood (known medically as hypocalcemia).
     
  • Women who take estrogen-containing medications like Activella have an increased risk for gallbladder disease.
     
  • Let your healthcare provider know right away if you notice any vision changes. This can signal a blood clot in the retina, a possible side effect of Activella.
     
  • Activella can cause high blood pressure (hypertension) or high triglycerides in some women. Your healthcare provider should monitor you for these problems.
     
  • If you have had jaundice (yellowing of the whites of the eyes or skin) due to estrogens or pregnancy in the past, Activella could cause similar problems to recur. If this happens, your healthcare provider will probably advise you to stop taking the drug.
     
  • If you have an underactive thyroid (hypothyroidism), Activella may increase your body's requirement for thyroid hormones. Your healthcare provider should monitor you and adjust the dose of your thyroid medications as necessary.
     
  • Activella may worsen epilepsy, porphyria, asthma, diabetes, migraine headaches, lupus, and hepatic hemangiomas.
     
  • The medication can cause fluid retention. This can cause problems for people with congestive heart failure (CHF) or kidney problems.
     
  • It is not clear whether Activella increases the risk of ovarian cancer. Some studies have shown an increased risk, while others have not.
     
  • Activella can make endometriosis symptoms worse.
     
  • Activella can interact with a number of different medications (see Activella Drug Interactions).
     
  • The medication should not be used during pregnancy (see Activella and Pregnancy).
     
  • The hormones in Activella pass through breast milk. Therefore, if you are breastfeeding or plan to start, discuss this with your healthcare provider prior to taking the drug (see Activella and Breastfeeding).
     
Osteoporosis: Muscle Strengthening

Activella HRT Information

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