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Common and Rare Reactions to Loestrin

Common Loestrin Side Effects

Since studies for birth control pills do not usually use a placebo, only vague information is available about Loestrin side effects. In fact, the side effects listed in the prescribing information for Loestrin are actually side effects of all birth control pills in general.
 
Some of the common bothersome (but not usually dangerous) side effects of birth control pills include but are not limited to:
 
  • Breakthrough bleeding and spotting between periods (especially for the first few cycles)
  • Nausea and vomiting (this can be improved by taking Loestrin with food)
  • Breast tenderness and swelling
  • Headaches (although birth control pills can improve headaches in some women)
  • Acne (although birth control pills can also improve acne)
  • Changes in your eyes that make it more difficult to wear contact lenses
  • Bloating
  • Changes in sex drive (typically a decrease in sex drive).
     
Women are often concerned about weight gain due to birth control pills, but recent research suggests that birth control pills probably do not cause weight gain for most women (see Loestrin and Weight Gain).
 

Loestrin Side Effects to Report

Some side effects with Loestrin, while occurring infrequently, are potentially serious and should be reported to your healthcare provider right away. These include but are not limited to:
 
 
    • Vision or speech changes
    • Weakness or numbness in an arm or leg
    • Severe headache
 
  • Signs of liver damage, such as:
 
    • Yellow eyes or skin (jaundice)
    • Dark urine
    • Upper-right abdominal pain
 
  • Depression or other emotional changes
  • Migraines (or changes in your migraines, if you have had them before)
  • Breast lumps
  • Signs of a blood clot in the leg, such as:
 
    • Pain in the calf
    • Leg cramps
    • Leg or foot swelling
 
  • Signs of a blood clot in the lung, such as:
 
    • Shortness of breath
    • Sharp chest pain
    • Coughing up blood
 
  • Chest pain or heaviness, which may be signs of a heart attack
  • Sudden loss of vision or vision changes, which can be a sign of a blood clot in the eye
  • Signs of an allergic reaction, such as:
 
    • Unexplained rash
    • Hives
    • Itching
    • Unexplained swelling
    • Wheezing
    • Difficulty breathing or swallowing.
 
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Loestrin Birth Control Pills

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