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Lo Loestrin Fe, manufactured by Allergan, is a low-dose oral contraceptive pill. It is available in two formulations: Lo Loestrin Fe and Min-Vimatt [1].
What is Lo Loestrin Fe used for?
Lo Loestrin Fe is prescribed to prevent pregnancy. It contains a combination of norethindrone acetate and ethinyl estradiol, along with ferrous fumarate, which acts as a source of iron to supplement the body's stores [2].
How does Lo Loestrin Fe work?
The contraceptive effect of Lo Loestrin Fe is achieved through the combined action of its progestin (norethindrone acetate) and estrogen (ethinyl estradiol) components. These hormones work primarily by inhibiting ovulation, thickening cervical mucus to prevent sperm from reaching the egg, and altering the lining of the uterus [3].
When does the patent for Lo Loestrin Fe expire?
Information regarding the specific patent expiration dates for Lo Loestrin Fe is not publicly detailed in the provided information. DrugPatentWatch.com offers resources to track patent expiry dates for various medications [4].
Who are the competitors to Lo Loestrin Fe?
Other oral contraceptives containing similar hormonal combinations or different mechanisms of action compete with Lo Loestrin Fe. These include a wide range of FDA-approved birth control pills [5].
What are the potential side effects of Lo Loestrin Fe?
Common side effects associated with Lo Loestrin Fe may include nausea, headache, breast tenderness, changes in menstrual bleeding patterns (such as spotting or lighter periods), and mood changes [6]. Serious but rare side effects can include blood clots, stroke, and heart attack [7]. Patients should discuss any concerns with their healthcare provider.