Pregnancy Home > PreferaOB Overdose

Reported reactions when too much of the individual components in PreferaOB were taken have included confusion, bloody stools, and seizures. The complications that occur will depend on how much of the vitamin was taken and whether it was combined with other products. There are a variety of treatment options, such as administering certain medications, pumping the stomach, and providing supportive care.

Can You Take Too Much PreferaOB?

PreferaOB® is a brand of prenatal vitamins that are only available with a prescription. Like other prenatal vitamins, PreferaOB products are formulated for the nutritional needs of pregnant and breastfeeding women. As with any vitamin, it is possible to take too much PreferaOB.
The specific effects of an overdose can vary, depending on a number of factors, including the PreferaOB dosage and whether it was combined with any other medications or substances.

Effects of an Overdose

At this time, it is not exactly clear what to expect from an overdose with this vitamin. Based on the individual components found in PreferaOB, symptoms of an overdose may include but are not limited to:
  • Nausea and vomiting
  • Diarrhea or constipation
  • Heartburn or indigestion
  • Abdominal (stomach) cramps
  • Fatigue
  • Drowsiness
  • Weakness
  • Headache
  • Unusual bleeding or bruising
  • Numbness or tingling sensations of the hands or feet
  • Confusion
  • Signs of an iron overdose, such as:
    • Black or bloody stools
    • Blue lips and fingernails
    • Pale skin
    • Dehydration
    • Low blood sugar levels (hypoglycemia)
    • Metallic taste in the mouth
    • Headaches
    • Low blood pressure (hypotension)
    • A rapid heart rate (tachycardia)
    • Fluid in the lungs
    • Fever and chills
    • Flushing
    • Seizures
    • Coma.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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