Sudafed Warnings and Precautions

There are numerous warnings and precautions with Sudafed to be aware of before starting treatment, including information on who should not use this drug. For example, you should not take Sudafed if you have taken an MAOI recently, have narrow angle glaucoma, or have difficulty passing urine. It is also important to know that Sudafed can cause problems in people with glaucoma, diabetes, hyperthyroidism, or kidney disease.

What Should I Tell My Healthcare Provider Before Taking Sudafed?

You should talk with your healthcare provider prior to taking Sudafed® (pseudoephedrine hydrochloride) if you have:
Also, let your healthcare provider know if you are:
  • Pregnant or thinking of becoming pregnant
  • Breastfeeding.
Make sure to tell your healthcare provider about any other medications you are taking, including prescription and non-prescription medicines, vitamins, and herbal supplements.
(The information in this article applies to original Sudafed, now found behind the pharmacy counter. For information about precautions and warnings with the reformulated Sudafed products that do contain phenylephrine instead of pseudoephedrine, see Sudafed PE Warnings and Precautions.)
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Sudafed Medication Information

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