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Lo/Ovral Side Effects

Common Lo/Ovral Side Effects

It is difficult to obtain much information about side effects from studies that do not use a placebo, since there is no way of knowing if any particular problem is actually a side effect of the medication. As a result, only vague information is available about Lo/Ovral side effects. In fact, the side effects listed in the prescribing information for Lo/Ovral are actually side effects of all birth control pills in general. Some of the common bothersome (but usually not 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
  • Changes in your eyes that make it more difficult to wear contact lenses
  • Breast tenderness and swelling
  • Skin discoloration, especially on the face (known as melasma)
  • Headaches (although birth control pills can improve headaches in some women)
  • Acne (although birth control pills can also improve acne)
  • Bloating
  • Changes in sex drive (typically a decrease in sex drive).

Lo/Ovral Side Effects to Report

Some side effects with Lo/Ovral, while occurring infrequently, are potentially serious and should be reported immediately to your healthcare provider. 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
  • Heavy vaginal bleeding between periods (light bleeding or spotting is normal)
  • High blood pressure (hypertension)
  • 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.
Last reviewed by: Kristi Monson, PharmD
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