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Generic Name
Timolol Maleate
Trade Name
Timolol Maleate
Risk Category
  • Studies on animals show adverse effect and toxicity on fetus.
  • No adequate and well controlled studies done on pregnant women.
  • Drugs should be given only if the potential benefit outweighs the potential risk to the fetus.
FDA Pregnancy Risk Categories

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  • Non-selective beta-adrenergic blocking agent for treatment of hypertension, for proplylaxis of migraine headache, after myocardial infarction and topically for treatment of glaucoma.
  • Fetal Risk
    Fetal Risk
  • Not teratogenic but fetotoxic in animals.
  • Crosses human placenta.
  • Limited human data for timolol but other beta-blockers can cause intrauterine growth retardation if used in second and third trimesters and persistent neonatal beta-blockade if used near term.
  • Breast Feeding
    Breast Feeding
  • Excreted into milk.
  • Compatible with breast feeding but infant should be closely observed for symptoms of beta-blockade.
  • Unknown long-term effects on nursing infants.
  • Other Trade Names
    The information on this Web site is not intended as a substitute for the advice and care of your doctor or other health-care provider. Always consult your doctor if you have any questions about exposures during pregnancy and lactation, and before you take any medications. Please read the Terms and Conditions before using this website.
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